Related Searches: Hydriodic acid, acid ester, carboxylic acid, amino acid, Benzoic acid, View all

Hydriodic acid(CAS No. 10034-85-2)

Hydriodic acid HI (cas 10034-85-2) Molecular Structure

10034-85-2 Structure

Identification and Related Records

【Name】
Hydriodic acid
【CAS Registry number】
10034-85-2
【Synonyms】
Hydrogen iodide
Hydriodicacidaqsoln
hydroiodic acid 47%
hydroiodic acid 67%
hydroiodic acid 55-58%
Hydriodic acid solution
Hydroiodic acid 57% (stab.)
Hydriodic acid (47% in water)
Hydroiodic acid
【EINECS(EC#)】
233-109-9
【Molecular Formula】
HI (Products with the same molecular formula)
【Molecular Weight】
127.91
【Inchi】
InChI=1/HI/h1H
【InChIKey】
XMBWDFGMSWQBCA-UHFFFAOYSA-N
【Canonical SMILES】
I
【MOL File】
10034-85-2.mol

Chemical and Physical Properties

【Appearance】
colorless to yellow brown liquid
【Density】
1.701
【Melting Point】
133-135℃
【Boiling Point】
127℃
【Vapour】
13.8mmHg at 25°C
【Refractive Index】
1.466 (16 C)
【Flash Point】
°C
【Water】
soluble
【Solubilities】
soluble in water
【Color/Form】
Colorless gas; fumes in moist air
【Stability】
Stable. Incompatible with bases, amines. Corrodes steel. May discolour on exposure to air and light.
【Storage temp】
Refrigerator (+4°C)
【Computed Properties】
Molecular Weight:127.91241 [g/mol]
Molecular Formula:HI
XLogP3-AA:0.9
H-Bond Donor:0
H-Bond Acceptor:0
Rotatable Bond Count:0
Exact Mass:127.912293
MonoIsotopic Mass:127.912293
Topological Polar Surface Area:0
Heavy Atom Count:1
Formal Charge:0
Complexity:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Feature 3D Anion Count:1
Effective Rotor Count:0
Conformer Sampling RMSD:0.4
CID Conformer Count:1

Safety and Handling

【Hazard Codes】
C:Corrosive
【Risk Statements】
R35
【Safety Statements 】
S26;S36/37/39;S45;S9
【HazardClass】
8
【PackingGroup 】
II
【Sensitive】
Hygroscopic
【Skin, Eye, and Respiratory Irritations】
The vapors of hydrogen iodide are severly irritating to the mucous membranes of the eyes and nose.
【Cleanup Methods】
Evacuate and restrict persons not wearing protective equipment from area of spill or leak until cleanup is complete. Remove all ignition sources. Ventilate area of spill or leak. Neutralize with chemically basic substances such as sodium bicarbonate, soda ash, or slaked lime. Absorb liquids in vermiculite, dry sand, earth, peat, carbon, or a similar material and deposit in sealed containers. Keep this chemical out of confined spaces, such as a sewer, because of the possibility of an explosion, unless the sewer is designed to prevent the build up of explosive concentrations. It may be necessary to contain and dispose of this chemical as a hazardous waste. If material or contaminated runoff enters waterways, notify downstream users of potentially contaminated waters. Contact your Department of Environmental Protection or your regional office of the federal EPA for specific recommendations. If employees are required to clean-up spills, they must be properly trained and equipped. OSHA 1910.120(q) may be applicable.
【Transport】
UN 2197/1787
【Fire Fighting Procedures】
If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Cool all affected containers with flooding quantities of water. Do not apply water to point of leak in tank car or container. Apply water from as far a distance as possible. Do not use water on material itself. If large quantities of combustibles are involved, use water in flooding quantities as spray and fog. Use water spray to knock-down vapors. /Hydrogen Iodide, anhyrous/
If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Use water in flooding quantities as spray and fog. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. /Hydriodic acid/
【Fire Potential】
Ignites on contact with magnesium; perchloric acid; potassium + heat; potassium chlorate + heat; oxidants.
【Formulations/Preparations】
HYDRIODIC ACID SYRUP /AN EXPECTORANT/ CONTAINS APPROX 1.4% HYDRIODIC ACID ... /HYDRIODIC ACID SYRUP; FORMER/
Commercial aqueous hydrogen iodide solution contains 40-55 wt% hydrogen iodide
Forms colorless liquid at atmospheric pressure when cooled with dry ice & ether or other cooling mixture /Hydrogen iodide gas/
A solution of hydrogen iodide in water.
Grades: Technical, 47%; NF, diluted 10% /Hydriodic acid/
【DOT Emergency Guidelines】
If ... THERE IS NO FIRE, go directly to the Table of Initial Isolation and Protective Action Distances /(see table below)/ ... to obtain initial isolation and protective action distances. IF THERE IS A FIRE, or IF A FIRE IS INVOLVED, go directly to the appropriate guide /(see guide(s) below)/ and use the evacuation information shown under PUBLIC SAFETY. /Hydrogen iodide, anhydrous/ Table of Isolation and Protective Action Distances for Hydrogen iodide, anhydrous Small Spills (from a small package or small leak from a large package) -------------------- First ISOLATE in all Directions 30 meters (100 feet) Then PROTECT persons Downwind during DAY: 0.1 kilometers (0.1 miles) Then PROTECT persons Downwind during NIGHT: 0.4 kilometers (0.2 miles) ==================== Large Spills (from a large package or from many small packages) -------------------- First ISOLATE in all Directions 120 meters (400 feet) Then PROTECT persons Downwind during DAY: 1.3 kilometers (0.8 miles) Then PROTECT persons Downwind during NIGHT: 3.7 kilometers (2.3 miles)
/GUIDE 125: GASES - CORROSIVE/ Health: TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Vapors are extremely irritating and corrosive. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ Fire or Explosion: Some may burn, but none ignite readily. Vapors from liquefied gas are initially heavier than air and spread along ground. Some of these materials may react violently with water. Cylinders exposed to fire may vent and release toxic and/or corrosive gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area for at least 100 meters (330 feet) in all directions. Keep unauthorized personnel away. Stay upwind. Many gases are heavier than air and will spread along ground and collect in low or confined areas (sewers, basements, tanks). Keep out of low areas. Ventilate closed spaces before entering. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ 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. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ Evacuation: ... Fire: If tank, rail car or tank truck is involved in a fire, ISOLATE for 1600 meters (1 mile) in all directions; also, consider initial evacuation for 1600 meters (1 mile) in all directions. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ Fire: Small fires: Dry chemical or CO2. Large fires: Water spray, fog or regular foam. Move containers from fire area if you can do it without risk. Do not get water inside containers. Damaged cylinders should be handled only by specialists. Fire involving tanks: 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. Do not direct water at source of leak or safety devices; icing may occur. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ Spill or Leak: Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. Do not touch or walk through spilled material. Stop leak if you can do it without risk. If possible, turn leaking containers so that gas escapes rather than liquid. Prevent entry into waterways, sewers, basements or confined areas. Do not direct water at spill or source of leak. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Isolate area until gas has dispersed. /Hydrogen iodide, anhydrous/
/GUIDE 125: GASES - CORROSIVE/ 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 liquefied gas, thaw frosted parts with lukewarm water. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. ... Keep victim warm and quiet. Keep victim under observation. Effects of contact or inhalation may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. /Hydrogen iodide, anhydrous/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Health: TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. 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. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Fire or Explosion: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (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 least 25 meters (75 feet) for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate enclosed areas. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (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. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (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. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Fire: Small fires: Dry chemical, CO2 or water spray. Large fires: Dry chemical, CO2, alcohol-resistant foam or water spray. Move containers from fire area if you can do it without risk. Dike fire control water for later disposal; do not scatter the material. 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. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Spill or Leak: ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). 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. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS. /Hydriodic acid; Hydriodic acid, solution/
/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (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. /Hydriodic acid; Hydriodic acid, solution/
【Reactivities and Incompatibilities】
REACTS WITH WATER OR STEAM TO PRODUCE TOXIC & CORROSIVE FUMES.
MAGNESIUM BURNS MOMENTARILY IN HYDROGEN IODIDE.
MOLTEN POTASSIUM CHLORATE IGNITES IN HYDROGEN IODIDE.
WHEN HYDROGEN IODIDE IS PASSED THROUGH FUMING NITRIC ACID, EACH BUBBLE PRODUCES A RED FLAME WITH SEPARATION OF IODIDE.
Ignites on contact with ... perchloric acid, ... oxidants. Violent reaction with HClO4 + Mg; ozone; metals.
Explodes on contact with ethyl hydroperoxide.
The reaction of fluorine with gaseous hydriodic acid is accompanied by flame.
Potassium burns momentarily in hydrogen iodide; the flame then goes out. A very violent explosion results when a mixture of potassium and hydrogen iodide is struck by a hammer.
【Other Preventative Measures】
SRP: When working with strong solutions of acids or bases or other caustic or corrosive materials, always wear a full face mask. When working with caustic or corrosive gases or vapors, a full face mask will not protect the eyes or prevent inhaling the material. A full face respirator is required.
SRP: Local exhaust ventilation should be applied wherever there is an incidence of point source emmissions 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.
SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.
If material not involved in fire: Keep material out of water sources and sewers. Attempt to stop leak if without undue personnel hazard. Use water to knock-down vapors. Do not use water on material itself. /Hydrogen iodide, anhydrous/
Personnel protection: Avoid breathing vapors. Keep upwind. ... Avoid bodily contact with the material. ... Do not handle broken packages unless wearing appropriate personal protective equipment. Wash away any material which may have contacted the body with copious amounts of water or soap and water. If contact with the material anticipated, wear appropriate chemical protective clothing. /Hydriodic acid/
Evacuation: If fire is prolonged and material is confined in the container- consider evacuation of one (1) mile radius. If fire becomes uncontrollable or container is exposed to direct flame- consider evacuation of one (1) mile radius. /Hydrogen iodide, anhydrous/
If material not involved in fire: Keep material out of water sources adn sewers. Build dikes to contain flow as necessary. Use water spray to knock-down vapors. Neutralize spilled material with crushed limestone, soda ash, or lime. /Hydriodic acid/
【Protective Equipment and Clothing】
The vapors of hydrogen iodide are severly irritating to the mucous membranes of the eyes and nose.
【Disposal Methods】
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.
Add slowly to a large amount of soda ash and slaked lime in solution with stirring. Flush resulting solution to a sewer.

Use and Manufacturing

【Use and Manufacturing】
Methods of Manufacturing

Prepared by absorption of hydrogen iodide gas in water or by the action of iodine on hydrogen sulfide. /Hydriodic acid/
Prepared by catalytic reaction of iodine and hydrogen or concentrated hydriodic acid solutions with phosphorous pentoxide. /Hydrogen iodide gas/
Hydroiodic acid is the colorless solution formed when hydrogen iodide gas dissolves in water. It is prepared by reaction of iodine with hydrogen sulfide or hydrazine, or by an electrolytic method. Typically commercial hydroiodic acid contains 40-55% HI.
By catalytic union of the elements. Also prepd by treating concn hydriodic acid soln with phosphorus pentoxide. /Hydrogen iodide gas/
... /Hydrogen iodide gas/ cannot be prepared using strong acids because it is readily oxidized; therefore, it must be prepared from a weak acid and iodine, or by the hydrolysis of certain iodides. Hydriodic acid is the colorless solution formed when hydrogen iodide gas dissolves in water, and at commercial strength, typically contains 47% hydrogen iodide.
U.S. Production

(1972) GREATER THAN 4.54X10+5 G
(1975) GREATER THAN 4.54X10+5 G
【Usage】

Reducing agent, manufacture of inorganic iodides, pharmaceuticals, disinfectants. The 57% acid is also used for analytical purposes, such as methoxyl determinations.

Biomedical Effects and Toxicity

【Therapeutic Uses】
FORMERLY USED FOR ITS EXPECTORANT ACTION IN CHRONIC BRONCHITIS & BRONCHIAL ASTHMA TO LIQUEFY THICK, TENACIOUS SPUTUM. /HYDRIODIC ACID, SYRUP/
【Biomedical Effects and Toxicity】
The iodide ion is excreted in part by the bronchial glands. ... /Hydriodic acid syrup/

Supplier Location

Top Suppliers

Diamond member Nanjing Chemlin Chemical Co., Ltd.
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-25-83697070
Hui Chem Company Limited
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-21-60542966
Finetech Industry limited.
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-27-87465837
Jinan Haohua Industry Co., Ltd.
Country:ChinaChina
Business Type:Manufacturer
Telephone:0086-531-58773055
Shanghai UCHEM Inc.
Country:ChinaChina
Business Type:Manufacturer
Telephone:086-021-31615209
Rosewell Industry Co., Ltd
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-519-86202821
Boc Sciences
Country:United StatesUnited States
Business Type:Manufacturer
Telephone:1-631-5046093
Boc Sciences
Country:United StatesUnited States
Business Type:Manufacturer
Telephone:1-631-5046093
Jindian Chemical Co., Ltd
Country:ChinaChina
Business Type:Trading Company
Telephone:86-813-8229780
Nanjing Hongxinmao Chemicals Co., Ltd.
Country:ChinaChina
Business Type:Trading Company
Telephone:86-25-86995156

Quick Search

Cas    Name

Related products

Hydriodic acid-d

Deuteriumiodide; Deuterium iodide (DI); Hydrogen iodide-d; Hydrogen-d iodide

butoxyphosphonic acid; dibutoxyphosphinic acid

N-BUTYL ACID PHOSPHATE;N-BUTYL PHOSPHATE;Butylphosphate(mixtureofmonoanddiesters);Butyl phosphoric acid;n-Butylphosphoric acid;n-Butyl phosphate, mixt...

Polyinosinic acid-polycytidylic acid

NSC-120949;PolyC;POLY I:C;polycytidylic acid;Polyinosinic acid Polycytidylic acid;Poly(rI).(rC);Polyinosinic-polycytidylic acid complex;Poly (I:C);Pol...

POLYADENYLIC ACID-DODECATHYMIDYLIC ACID&

POLYADENYLIC ACID-DODECATHYMIDYLIC ACID&;polyadenylic acid-dodecathymidylic acid sodium;Poly(A) p(dT)12;Polyadenylic acid-Dodecathymidylic acid sodium...

POLYADENYLIC ACID .DECATHYMIDYLIC ACID

POLYADENYLIC ACID .DECATHYMIDYLIC ACID;poly(ra).oligo(dt

Acetylsalicylic acid

o-Acetylsalicylic acid 2-Acetoxybenzoic acid; 2-Acetoxybenzoic acid~Aspirin; aspirin usp; O-Acetylsalicylic acid; Aspirin; Acetoxybenzoic acid; Metron...

Ethylmercurithiosalicylic acid

Merthiolate sodium; Thimerosal, USP Grade Sodium ethylmercurithiosalicylate, USP Grade; sodium ethylmercurithiosalicylate; Thiomersal; sodium 2-(ethyl...

isonicotinic acid

4-pyridinecarboxylic acid; pyridine-4-carboxylic acid; PYRIDINE-3-CARBOXYLIC ACID; PYRIDINE-GAMMA-CARBOXYLIC ACID; RARECHEM AL BO 0219; TIMTEC-BB SBB0...

Palmitic acid

Hexadecanoic acid; palmitic acid, pure; Palmitic Acid (1.00509); Palmitic acid tech; Hexadecan acid