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Cupric oxide structure
Cupric oxide structure

Cupric oxide

Iupac Name:oxocopper
CAS No.:1317-38-0
Molecular Weight:79.545
Introduction: Copper (II) oxide is used for blue-green pigmentation in ceramics. As a naturally occurring compound produced from mining, it is also used as a precursor to other cooper applications, including fungicide and wood preservatives. In this capacity, it is used as an antifouling paint agent for boat hulls, and other outdoor, freshwater, and seawater wood constructions. It is also occasionally used for animal feed, but incorrectly, as its copper bioavailability is inferior to of a number of other compounds including cupric acetate and alkaline Cu carbonate. Other uses include preparation of superconductors, manufacture of batteries, and as a catalyst for various industrial processes.
1. Names and Identifiers
1.1 Name
Cupric oxide
1.2 Synonyms

COPPER(II) OXIDE (CUO) COPPER(II) OXIDE GRANULAR FOR ANALYSI COPPER(II) OXIDE GRANULAR FOR ELEMENTARY Copper(II) oxide, 99.999% Copper(II) oxide, reagent ACS, powder Cupric oxide powder CUPRIC OXIDE REAGENT (ACS) CUPRIC OXIDE WIRE-FORM, REAGENT (ACS)

1.3 CAS No.
1317-38-0
1.4 EINECS(EC#)
215-269-1
1.5 Molecular Formula
CuO (isomer)
1.6 Inchi
InChI=1S/Cu.O
1.7 InChkey
QPLDLSVMHZLSFG-UHFFFAOYSA-N
1.8 Canonical Smiles
O=[Cu]
2. Properties
3.1 Density
6.315
3.2 Melting Point
1326℃
3.3 Boiling Point
2000
3.4 Vapour
0 mmHg (approx)
3.5 Refractive Index
2.63
3.6 Appearance
black crystalline powder
3.7 Chemical Properties
Black monoclinic crystal or black to brown-black amorphous crystalline powder; Insoluble in water and alcohol; soluble in dilute acid, ammonium chloride, ammonium carbonate and potassium cyanide.
3.8 Color/Form
Black to brownish-black amorphous or crystalline powder or granules
Monoclinic crystals or black powder
Finely divided black particulate dispersed in air.
3.9 Decomposition
Decomposes at 1026 deg C.
3.10 PH
7 (50g/l, H2O, 20℃)(slurry)
3.11 Spectral Properties
INDEX OF REFRACTION: 2.63 (BETA)
3.12 Stability
Stable. Incompatible with reducing agents, hydrogen sulfide, aluminium, alkali metals, finely powdered metals.
3.13 StorageTemp
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
3.14 Water Solubility
insoluble
3. Use and Manufacturing
4.1 Definition
Ablack solid prepared by the action of heaton copper(II) nitrate, hydroxide, or carbonate.It is a basic oxide and reacts withdilute acids to form solutions of copper(II)salts. Copper(II) oxide can be reduced tocopper by heating in a stream of hydrogenor carbon monoxide. It can also be reducedby mixing with carbon and heating themixture. Copper(II) oxide is stable up to itsmelting point, after which it decomposes togive oxygen, copper(I) oxide, and eventuallycopper.
4.2 Storage
Ambient temperatures.
4.3 Usage
Copper(II) oxide is used as pigments for coloring glass, ceramics, porcelain and artificial gems; in batteries and electrodes; in antifouling paints; in electroplating; in welding fluxes for bronze; in the production of rayons; for removal of sulfur from oils; in phosphor mixtures; for polishing optical glass; and as a catalyst. It also is used to prepare various copper compounds.Copper(II) oxide is found in nature as the minerals tenorite and paramelaconite. They differ in crystalline structure: tenorite exists as triclinic crystals while paramelaconite consists of tetrahedral cubic crystals.
4. Safety and Handling
5.1 Hazard Codes
Xn
5.2 Risk Statements
R22
5.3 Safety Statements
S22
5.4 HazardClass
9
5.4 Hazard Note
H400; H412
5.5 PackingGroup
Z01
5.6 Transport
无资料?
5.7 DisposalMethods
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Group III Containers (both combustible and non-combustible) that previously held organic mercury, lead, cadmium, arsenic, or inorganic pesticides should be triple rinsed, punctured and disposed of in a sanitary landfill. Non-rinsed containers should be encapsulated and buried at a specially designated landfill site. /Organic mercury, lead, cadmium, arsenic, or inorganic pesticides/
Do not contaminate water by ... disposal of wastes near a body of water. /Copper oxides/
5.8 DOT Emergency Guidelines
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Health: TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Inhalation or contact with some of these materials will irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Fire or Explosion: HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers. Those substances designated with a "P" may polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area for at least 50 meters (150 feet) in all directions. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate closed spaces before entering. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Evacuation: ... Fire: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Fire: CAUTION: All these products have a very low flash point. Use of water spray when fighting fire may be inefficient. Small fires: Dry chemical, CO2, water spray or alcohol-resistant foam. Large fires: Water spray, fog or alcohol-resistant foam. Move containers from fire area if you can do it without risk. Dike fire control water for later disposal; do not scatter the material. Use water spray or fog; do not use straight streams. Fire involving tanks or car/trailer loads: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ Spill or Leak: Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. A vapor suppressing foam may be used to reduce vapors. Small spills: Absorb with earth, sand or other non-combustible material and transfer to containers for later disposal. Use clean non-sparking tools to collect absorbed material. Large spills: Dike far ahead of liquid spill for later disposal. Water spray may reduce vapor; but may not prevent ignition in closed spaces. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 131: FLAMMABLE LIQUIDS-TOXIC/ First Aid: Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. Wash skin with soap and water. Keep victim warm and quiet. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. /Copper based pesticide, liquid, flammable, poisonous; Copper based pesticide, liquid, flammable, toxic; Copper based pesticide, liquid, poisonous, flammable; Copper based pesticide, liquid, toxic, flammable/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Health: Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Fire or Explosion: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Containers may explode when heated. Runoff may pollute waterways. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at lease 25 meters (75 feet) for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Evacuation: ... Fire: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Fire: Small fires: Dry chemical, CO2 or water spray. Large fires: Water spray, fog or regular foam. Move containers from fire area if you can do it without risk. Dike fire control water for later disposal; do not scatter the material. Use water spray or fog; do not use straight streams. Fire involving tanks or car/trailer loads: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ Spill or Leak: Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
/GUIDE 151: SUBSTANCES - TOXIC (NON-COMBUSTIBLE)/ First Aid: Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. /Copper based pesticide, liquid, poisonous; Copper based pesticide, liquid, toxic; Copper based pesticide, solid, poisonous; Copper based pesticide, solid, toxic/
5.9 Formulations/Preparations
USEPA/OPP Pesticide Code 042401; Trade Names: Banacobru ol and Black copper oxide.
Wettable micro granular; wettable powder
The pigment known as Scheele's green is a complex mixture of cupric oxide & cupric arsenite. ...
Wolmanac concentrate (70%), for industrial use only, soluble concentrate, 23.8% arsenic pentoxide, 32.25% chromic acid, 12.95% cupric oxide
Wolmanac concentrate (72%), solution-ready to use, 24.48% arsenic pentoxide, 32.20% chromic acid, 13.32% cupric oxide
Osmose K-33 (72%) Wood Preservative, solution-ready to use, 32.5% Arsenic pentoxide, 25.4% Chromic acid, 14.1% Cupric oxide
Osmose K-33-C (72%) Wood Preservative, soluble concentrate, 24.5% arsenic pentoxide, 34.2% chromic acid, 13.3% cupric oxide
Osmose P-50 Wood Preservative, soluble concentrate, 20% chromic acid, 15.5% cupric oxide, 19% phosphoric acid
Osmose K-33 (60%) Wood Preservative, solution-ready to use, 20% arsenic pentoxide, 29.9% chromic acid, 10.5% cupric oxide
Osmose K-33-A (50%) Wood Preservative, 7.3% arsenic pentoxide, 32.2% chromic acid, 10.5% cupric oxide
Boliden-CCA Wood Preservative, soluble concentrate, 34% arsenic pentoxide, 26.5% chromic acid, 14.5% cupric oxide
Boliden Salt K-33, soluble concentrate, 34% arsenic pentoxide, 26.5% chromic acid, 14.5% cupric oxide
CCA Wood Preservative Chromated Copper Arsenate (60%), soluble concentrate, 9.9% arsenic pentoxide, 39.3% chromic acid, 10.8% cupric oxide
CCA Type C Wood Preservative (60%), solution-ready to use, 20.1% arsenic pentoxide, 28.5% chromic acid, 11.4% cupric oxide
5.10 Other Preventative Measures
SRP: Local exhaust ventilation should be applied wherever there is an incidence of point source emissions or dispersion of regulated contaminants in the work area. Ventilation control of the contaminant as close to its point of generation is both the most economical and safest method to minimize personnel exposure to airborne contaminants.
The worker should immediately wash the skin when it becomes contaminated.
Work clothing that becomes wet or significantly contaminated should be removed and replaced.
The worker should wash daily at the end of each work shift.
5.11 Protective Equipment and Clothing
Wear appropriate eye protection to prevent eye contact.
Wear appropriate personal protective clothing to prevent skin contact.
Recommendations for respirator selection. 1 mg/cu m. Respirator Class(es): Any dust, mist, and fume respirator. Any supplied-air respirator.
Recommendations for respirator selection. 2.5 mg/cu m. Respirator Class(es): Any supplied-air respirator operated in a continuous flow mode. Any powered, air-purifying respirator with a dust, mist, and fume filter.
Recommendations for respirator selection. 5 mg/cu m. Respirator Class(es): Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter. Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode. Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter. Any self-contained breathing apparatus with a full facepiece. Any supplied-air respirator with a full facepiece.
Recommendations for respirator selection. 100 mg/cu m. Respirator Class(es): Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode.
Recommendations for respirator selection. Condition: Respirator Class(es): Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive pressure mode. Any supplied-air respirator that has a full face piece and is operated in pressure-demand or other positive pressure mode in combination with an auxiliary self-contained breathing apparatus operated in pressure-demand or other positive pressure mode.
Recommendations for respirator selection. Condition: Escape from suddenly occurring respiratory hazards: Respirator Class(es): Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter. Any appropriate escape-type, self-contained breathing apparatus.
5.12 Reactivities and Incompatibilities
BORON REACTS VIOLENTLY WITH CUPRIC OXIDE AFTER WARMING, MELTING GLASS TUBING.
TITANIUM REACTS VIOLENTLY WITH CUPRIC OXIDE ... WHEN HEATED.
HYDRAZINE REACTS VIGOROUSLY WITH CUPRIC OXIDE.
Cesium acetylene carbide explodes on contact with cupric oxide at 350 deg C.
The reduction of heated cupric oxide by admixed magnesium is accompanied by incandescence and an explosion.
Cupric oxide is reduced when heated with sodium. The reaction proceeds with vivid incandescence.
CUPRIC OXIDE IS REDUCED TO METALLIC COPPER WHEN HEATED WITH POTASSIUM @ TEMP BELOW ITS MP. REACTION PROCEEDS WITH VIVID INCANDESCENCE.
Incompatibilities: Dirubidium acetylide; hydrogen; hydrogen sulfide; metals; phospham; phthalic anhydride.
CuO: Acetylene, zirconium.
Reduction of the heated oxide in a combustion tube by passage of hydrogen caused a violent explosion.
An attempt thermite reaction with aluminum powder and copper(II) oxide ... caused a violent explosion.
A mixture of phthalic anhydride and anhydrous oxide exploded violently on heating.
Interaction with hydroxylamine or hydrazine is vigorous.
A pelleted mixture containing barium acetate, copper(II) oxide and yttrium oxide, ... was heated in a furnace, and a small explosion occurred during the early stages, 'from formation of pyrolysis products'.
Copper oxide and manganese dioxide react at 359 deg C incandescently.
Solutions of sodium hypobromite are decomposed by powerful catalytic action of cupric ions, even as impurities. /Cupric salts/
5.13 Report

?Copper and its compounds are on the Community Right-To-Know List.

5.14 Safety

Hazard Codes:?IrritantXiIrritantXn
Risk Statements: 22-37?
R22: Harmful if swallowed
R37: Irritating to respiratory system
Safety Statements: 22-36?
S22: Do not breathe dust
S36: Wear suitable protective clothing
WGK Germany: 1
RTECS: GL7900000
HS Code: 28255000
Poison by intratracheal route.? Explodes when heated with powdered aluminum; anilinium perchlorate; hydrogen; magnesium; phthalic anhydride. Ignites on contact with dichloromethylsilane; hydrogen sulfide; hydrogen trisulfide. Incandescent reaction when heated with boron; rubidium acetylide (at 350°C); potassium; sodium; phospham.

5.15 Skin, Eye, and Respiratory Irritations
Inhalation of copper fume results in the irritation of the upper respiratory tract. ... Contact with copper fumes will also cause irritation of the eyes, nose and throat. /Copper fumes/
5.16 Specification

1、Fire Fighting Measures? of? Cupric oxide (1317-38-0)
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.?
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.?
2、Handling and Storage? of? Cupric oxide (1317-38-0)
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.?
Storage: Store in a cool, dry place. Store in a tightly closed container.?

5.17 Toxicity

1、RTECS#: CAS# 1317-38-0: GL7900000?
2、LD50/LC50: RTECS: CAS# 1317-38-0: Oral, rat: LD50 = 470 mg/kg;
3、Carcinogenicity: Copper(II) oxide - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information. Mutagenicity: Ames-test: negative.??

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H410 Very toxic to aquatic life with long lasting effects

Precautionary statement(s)
Prevention

P273 Avoid release to the environment.

Response

P391 Collect spillage.

Storage

none

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

6. Synthesis Route
7. Computational chemical data
  • Molecular Weight:79.545g/mol
  • Molecular Formula:CuO
  • Compound Is Canonicalized:True
  • Exact Mass:78.925
  • Monoisotopic Mass:78.925
  • Complexity:2
  • Rotatable Bond Count:0
  • Hydrogen Bond Donor Count:0
  • Hydrogen Bond Acceptor Count:1
  • Topological Polar Surface Area:17.1A^2
  • Heavy Atom Count:2
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
8. Question & Answer
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