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Sodium methoxide(CAS No. 124-41-4)

Sodium methoxide CH3NaO (cas 124-41-4) Molecular Structure

124-41-4 Structure

Identification and Related Records

【Name】
Sodium methoxide
【CAS Registry number】
124-41-4
【Synonyms】
sodium methylate solution
Sodium methoxide titrant
Sodium methylate (powder/solution) (NM)
Sodium methoxide 95%
sodium methanolate
Sodium methoxide 25% in methanol
Sodiummethoxideinmethanol
Sodiummethoxidew/wsolninmethanol
Sodium methoxide solution
Sodium methylate
Sodium methylate-methanol solution
SODIUM METHOXIDE-METHANOL
【EINECS(EC#)】
204-699-5
【Molecular Formula】
CH3NaO (Products with the same molecular formula)
【Molecular Weight】
54.02
【Inchi】
InChI=1/CH3O.Na/c1-2;/h1H3;/q-1;+1
【InChIKey】
WQDUMFSSJAZKTM-UHFFFAOYSA-N
【Canonical SMILES】
C[O-].[Na+]
【MOL File】
124-41-4.mol

Chemical and Physical Properties

【Appearance】
clear liquid
【Density】
0.945
【Melting Point】
127℃
【Boiling Point】
65℃
【Refractive Index】
1.3700
【Flash Point】
11℃
【Water】
reacts
【Solubilities】
reacts with water
【Color/Form】
Amorphous, free flowing powder
Tetragonal crystals
【Stability】
Stability Highly flammable. Reacts violently with water. Keep container dry. Incompatible with water, acids, chlorinated solvents.
【HS Code】
29051900
【Storage temp】
Flammables area
【Computed Properties】
Molecular Weight:54.02369 [g/mol]
Molecular Formula:CH3NaO
H-Bond Donor:0
H-Bond Acceptor:1
Rotatable Bond Count:0
Exact Mass:54.008159
MonoIsotopic Mass:54.008159
Topological Polar Surface Area:23.1
Heavy Atom Count:3
Formal Charge:0
Complexity:4.8
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:2

Safety and Handling

【Hazard Codes】
F:Flammable
【Risk Statements】
R11;R14;R23/24/25;R36/38;R39/23/24/25
【Safety Statements 】
S16;S36/37;S45;S7
【HazardClass】
4.2
【Safety】

Statements: 11-23/24/25-34-39/23/24/25-36/38-14-36/37/38
R11:Highly flammable.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R34:Causes burns.
R39:Danger of very serious irreversible effects.
R36/38:Irritating to eyes and skin.
R14 :Reacts violently with water.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 8-16-26-43-45-7-36/37-7/8-36/37/39
S8:Keep container dry.
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.&nbsp;<br /> S36/37:Wear suitable protective clothing and gloves.
S7/8:Keep container tightly closed and dry.&nbsp;<br /> S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1431 4.2/PG 2
WGK Germany: 1
RTECS: PC3570000
F: 9-21
TSCA: Yes
HazardClass: 4.2?
PackingGroup: II?
HS Code: 29051900

【PackingGroup 】
II
【Sensitive】
Moisture Sensitive
【Skin, Eye, and Respiratory Irritations】
Inhalation of dust causes severe irritation of nose and throat. Contact with eyes or skin causes severe irritation. ...
【Cleanup Methods】
Spillage disposal: Evacuate danger area! Consult an expert! Do NOT wash away into sewer. Sweep spilled substance into clean and dry containers. Do NOT absorb in saw-dust or other combustible absorbents. Personal protection: chemical protection suit including self-contained breathing apparatus.
【Transport】
UN 1431
【Fire Fighting Procedures】
If material on fire or involved in fire: Do not extinguish fire unless flow can be stopped. Use "alcohol" foam, dry chemical or carbon dioxide. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Do not use water on material itself. /Sodium methylate solutions/
If material on fire or involved in fire: Do not use water. Use dry chemical or carbon dioxide.
【Fire Potential】
... (Solid) flammable when exposed to heat or flame. (solution) flammable, moderate fire risk.
/Sodium methoxide/ may ignite in moist air ...
【Formulations/Preparations】
97.5% sodium methylate; 30% solution in methanol.
Technical; and 98% purity grade.
【DOT Emergency Guidelines】
/GUIDE 132: FLAMMABLE LIQUIDS - CORROSIVE/ Fire or Explosion: Flammable/combustible materials. May be 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 hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - CORROSIVE/ Health: May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to 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. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - CORROSIVE/ 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. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - 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 is recommended for fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - CORROSIVE/ 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. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - CORROSIVE/ Fire: Some of these materials may react violently with water. 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. Do not get water inside containers. 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. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - CORROSIVE/ 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. Absorb with earth, sand or other non-combustible material and transfer to containers ... . 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. /Sodium methylate, solution in alcohol/
/GUIDE 132: FLAMMABLE LIQUIDS - 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 substance, immediately flush skin or eyes with running water for at least 20 minutes. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to 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. /Sodium methylate, solution in alcohol/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Fire or Explosion: Produce flammable gases on contact with water. May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. Some are transported in highly flammable liquids. Runoff may create fire or explosion hazard. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Health: Inhalation or contact with vapors, substance, or decomposition products may cause severe injury or death. May produce corrosive solutions on contact with water. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ 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 meter (75 feet) for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate the area before entry. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ 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 will only provide limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Evacuation: ... 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. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Fire: DO NOT USE WATER OR FOAM. Small fires: Dry chemical, soda ash, lime or sand. Large fires: DRY sand, dry chemical, soda ash or lime or withdraw from area and let fire burn. Move containers from fire area if you can do it without risk. ... 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. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Spill or Leak: ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). Do not touch or walk through spilled material. Stop leak if you can do it without risk. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. DO NOT GET WATER on spilled substance or inside containers. Small spills: Cover with DRY earth, DRY sand, or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain. Dike for later disposal; do not apply water unless directed to do so. Powder spills: Cover powder spill with plastic sheet or tarp to minimize spreading and keep powder dry. DO NOT CLEAN-UP OR DISPOSE OF, EXCEPT UNDER SUPERVISION OF A SPECIALIST. /Sodium methylate; Sodium methylate, dry/
/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ First Aid: Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, wipe from skin immediately; flush skin or eyes with running water for at least 20 minutes. Keep victim warm and quiet. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. /Sodium methylate; Sodium methylate, dry/
【Reactivities and Incompatibilities】
/With water/ produces a caustic soda soln and soln of methyl alcohol. The reaction is not violent.
Sodium methylate, as it was being added to a mixture of perchloryl fluoride and methyl alcohol, underwent an explosive reaction with perchloryl fluoride in the vapor phase above the liquid. When the sodium methylate and methyl alcohol were mixed before the addition of perchloryl fluoride, no explosion occurred.
For preparation of methyl orthoformate, solid sodium methoxide, methanol and chloroform were mixed together. The mixture boiled violently and then exploded ... The explosion was caused by the addition of the solid sodium methoxide as one portion.
Addition of the chloro cmpd /4-chloronitrobenzene/ to a soln of sodium methoxide in methanol caused an unusually exothermic reaction ot occur. The lid of the 450 L vessel was blown off, and a fire and explosion followed. No cause for the unusual vigor of the reaction was found.
... Addition of sodium methoxide powder to perfluoropropene in diglyme at -60 deg C led to ignition in some cases, and the products, 1,3,3-trifluoro-2-methoxycyclopropene (very volatile and flammable), or 3,3-difluoro-1,2-dimethoxycyclopropene, react violently with water or methanol ...
A serious explosion occurred in the condensation of methyl azide with dimethyl malonate in the presence of sodium methylate
Sodium methylate ignites in moist air.
【Other Preventative Measures】
If material not on fire and not involved in fire: Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. build dikes to contain flow as necessary. Attempt to stop leak if without undue personnel hazard. Use water spray to knock-down vapors. Do not use water on material itself. /Sodium methylate solutions/
If material not on fire and not involved in fire: Do not use water. Keep sparks flames, and other sources of ignition away. Keep material out of water sources and sewers. Keep material dry.
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 with may have contacted the body with copious amounts of water or soap and water. Wear positive pressure self-contained breathing apparatus when fighting fires involving this material. If contact with the material anticipated, wear appropriate chemical protective clothing. /Sodium methylate solutions/
Personnel protection: Avoid breathing dusts, and fumes from burning material. 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.
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.
... Heating of sodium methoxide ... must always be under nitrogen to prevent ignition, which occurs in presence of air, especially if moist.
Do not eat, drink, or smoke during work.
【Protective Equipment and Clothing】
Inhalation of dust causes severe irritation of nose and throat. Contact with eyes or skin causes severe irritation. ...
【Specification】

?Sodium methanolate , its cas register number is 124-41-4. It also can be called Sodium methoxide ; Sodium methylate .It is a colorless cloudy white liquid consisting of sodium methylate, a solid, dissolved in methyl alcohol.It is&nbsp;highly flammable and reacts with water to produce a mixed solution of sodium hydroxide and methyl alcohol.

【Disposal Methods】
SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.

Use and Manufacturing

【Use and Manufacturing】
Methods of Manufacturing

Reaction of molten sodium with methyl alcohol or by the reaction of methyl alcohol with sodium amalgam obtained from the electrolysis of brine.
U.S. Production

This chemical is listed as a High Production Volume (HPV) (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and/or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B; 51FR21438).
(1972) 2.35X10+9 GRAMS
(1975) 4.96X10+9 GRAMS
(1983) 4.57X10+9 g.
Production volumes for non-confidential chemicals reported under the Inventory Update Rule; Reported range for 1986, 1990, 1994, 1998 and 2002 >10-50 million lb. Year Production Range (pounds) 1986 >10 million-50 million 1990 >10 million-50 million 1994 >10 million-50 million 1998 >10 million-50 million 2002 >10 million-50 million
【Usage】

In organic syntheses.

Biomedical Effects and Toxicity

【Pharmacological Action】
- Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant & Hackh's Chemical Dictionary, 5th ed)

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