Sodium Methoxide Powder MSDS

I. Identification of substance:

Product Details
Product nameSodium methoxide
SynonymsSodium methylate; Methanol, Sodium Derivative; methanol, sodium salt; sodium methylate, dry
CAS No.124-41-4
Molecular Weight54.03
Chemical FormulaCH3NaO

Green Catalysts, Inc
P.O. Box 2528
Santa Rosa, CA 95405

Emergency Information:
During normal hours the Research and Development Department. After normal hours call Chemtrec at 800-424-9300

II. Composition/Data on components:

Chemical characterization:

Description: (CAS#)

Sodium methoxide (CAS# 124-41-4):
Synonyms: Sodium methylate; Methanol, Sodium Derivative; methanol, sodium salt; sodium methylate, dry

III. Hazards identification

Hazard Description:

T = Toxic
F = Highly flammable

Information pertaining to particular dangers for man and environment
R 11Highly flammable
R 14Reacts violently with water
R 23/24/25Toxic by inhalation, in contact with skin and if swallowed
R 34Causes burns
R 39/23/24/25Toxic: Danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed

HMIS ratings (scale 0-4)

(Hazardous Materials Identification System)

Health (acute effects) = 2
Flammability = 3

IV. First aid measures

General information
  • Immediately remove any clothing soiled by the product.
  • Remove breathing apparatus only after contaminated clothing has been completely removed.
  • In case of irregular breathing or respirator arrest provide artifical respiration.
After inhalationSupply fresh air. If required, provide artifical respiration. Keep patient warm. Seek immediate medical advice.
After skin contact

Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.

After eye contactRinse opened eye for several minutes under running water. Then consult a doctor.
After swallowingDo not induce vomiting; immediately call for medical help. Seek immediate medical advice.

V. Fire fighting measures

Suitable extinguishing agentsCO2, sand, extinguishing powder. DO NOT use water.
For safety reasons unsuitable extinguishing agentsWater
Special hazards caused by the material, its products of combustion or resulting gases
  • Reacts violently with water
  • In case of fire, the following can be released:
    • Carbon monoxide and carbon dioxide
    • Sodium oxide
Protective equipment
  • Wear self-contained respirator
  • Wear fully protective impervious suit

VI. Accidental release measures

Person-related safety precautions
  • Wear protective equipment. Keep unprotected persons away.
  • Ensure adequate ventilation
  • Keep away from ignition sources
Measures for environmental protectionDo not allow material to be released to the environment without proper governmental permits.
Measures for cleaning/collecting
  • Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust)
  • Use neutralizing agent
  • Dispose contaminated material as waste according to item 13
  • Ensure adequate ventilation
  • DO NOT flush with water or aqueous cleansing agents
  • Keep away from ignition sources

VII. Handling and storage

Information for safe handling
  • Handle under dry protective gas
  • Keep container tightly sealed
  • Store in cool, dry place in tightly closed containers
  • Ensure good ventilation at the workplace
  • Open and handle container with care
Information about protection against explosions and fires
  • Keep ignition sources away
  • Protect against electrostatic charges
  • Fumes can combine with air to form an explosive mixture
Requirements to be met by storerooms and receptaclesStore in a cool location.
Information about storage in one common storage facility
  • Store away from water/moisture
  • Store away from oxidizing agents
  • DO NOT store together with liquids
Further information about storage conditions
  • Store under dry inert gas
  • Protect from humidity and water
  • Keep container tightly sealed
  • Store in cool, dry conditions in well sealed containers
  • Store under lock and key and with access restricted to technical experts or their assistants only

VIII. Exposure controls and personal protection

Additional information about design of technical systemsProperly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute
Personal protective equipment
General protective and hygienic measures

The usual precautionary measure for handling chemicals should be followed.

  • Keep away from foodstuffs, beverages and feed
  • Remove all soiled and contaminated clothing immediately
  • Wash hands before breaks and at the end of work
  • Store protective clothing separately
  • Avoid contact with the eyes and skin
Breathing equipmentUse suitable respirator when high concentrations are present
Protection of hands
  • Impervious gloves
  • Check protective gloves prior to each use for their proper condition
Material of glovesThe selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer.
Eye protection
  • Safety glasses
  • Tightly sealed goggles
  • Full face protection
Body protectionProtective work clothing

IX. Physical and chemical properties

General Information
Appearance & odorWhite, crystalline powder with caustic odor.
Change in conditionValue/Range   Unit   Method
Melting point/Melting rangeNot determined
Boiling point/Boiling rangeNot determined
pH of 0.5% Aq. soln14
Flash pointNot determined
Ignition Temp50 o C
Danger of explosionProduct is not explosive. However, formation of explosive air/vapor mistures is possible.
Decomposition Temp> 126 o C, aprox
Bulk Density0.5 - 0.6
Solubility in / Miscibility with WaterReacts

X. Stability and reactivity

Thermal decomposition / conditions to be avoidedDecomposition will not occur if used and stored according to specifications.
Materials to be avoided
  • Water/moisture
  • Oxidizing agents
  • Acids
Dangerous reactionsReacts violently with water
Dangerous products of decomposition
  • Carbon monoxide and carbon dioxide
  • Sodium oxide

XI. Toxicological information

On the skin
  • Corrosive effect on skin and mucous membranes
  • Irritant to skin and mucous membrances
On the eye
  • Strong corrosive effect
  • Irritating effect
SensitizationNo sensitizing effects known
Subacute to chronic toxcitySymptoms of methanol overexposure may include intoxication, headache, drowsiness, neusea, vomiting, blurred vision, blindness, coma and death. It is a defatting agent and can cause skin and eye irritation. Absorption through the skin is possible. Chronic exposure may cause liver and eye injury.
Subacute to chronic toxicityCorrosive materials are acutely destructive to the respiratory tract, eyes, skin and digestive tract. Eye contact may result in permanent damage and complete vision loss. Inhalation may result in respiratory effects such as inflammation, edema, and chemical pneumonitis. May cause coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. Ingestion may cause damage to the mouth, throat and esophagus. May cause skin burns or irritation depending on the severity of the exposure.
Additional toxicological information

To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.

  • Danger through skin absorption
  • Swallowing will lead to a strong corrosive effect on mouth and throat and to the danger of perforation of esophagus and stomach
  • No classification data on carcinogenic properties of this material is available from the EPA, IARC, NTP, OSHA, or ACGIH

XII. Ecological information

General Notes:

Do not allow material to be released to the environment without proper governmental permits.

XIII. Disposal considerations

RecommendationConsult state, local or national regulations to ensure proper disposal
Uncleaned packagings
RecommendationDisposal must be made according to official regulations.
Recommended cleansing agentWater, if necessary with cleansing agents.

XIV. Transport information

DOT Regulations
Hazard class4.2
Identification numberUN1431
Packing groupII
Hazardous substance1000 lbs, 454 kg
Proper shipping name (technical name)ALKOHOLATES SOLUTION, N.O.S (SODIUM METHOXIDE)
Land transport ADR/RID (cross-border)
Hazard class4.2
Danger code (Kemler)48
Packaging groupII
Description of goods1431
Proper shipping name (technical name)ALKOHOLATES SOLUTION, N.O.S (SODIUM METHOXIDE)
Maritime transport IMDG
IMDG class4.2
Packaging groupII
Proper shipping name (technical name)ALKOHOLATES SOLUTION, N.O.S (SODIUM METHOXIDE)
Air transport ICAO-TI and IATA-DGR
ICAO/IATA class4.2
UN/ID Number1431
Packaging groupII
Proper shipping name (technical name)ALKOHOLATES SOLUTION, N.O.S (SODIUM METHOXIDE)

XV. Regulations

Product related hazard informations
Hazard symbolsT = Toxic ; F = Highly flammable
Risk phrases
  • 11 - Highly flammable
  • 14 - Reacts violently with water
  • 23/24/25 - Toxic by inhalation, in contact with skin and if swallowed
  • 34 - Causes burns
  • 39/23/24/25 - Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed.
Safety phrases
  • 7/8 - Keep container tightly closed and dry
  • 16 - Keep away from sources of ignition - NO SMOKING
  • 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • 36/37 - Wear suitable protective clothing and gloves
  • 43 - In case of fire, use powdered extinguishing agent. NEVER USE WATER
  • 45 - In case of accident or if you feel unwell, seek medical advice immediately
National regulations
  • All components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical substance Inventory.
  • All Components of this product are listed on the Canadian Domestic Substances List (DSL)
Information about limitation of use
  • For use only by technically qualified individuals
  • This product is subject to the reporting requirements of section 313 of the Emergency Planning and Community Right to Know Act of 1986 and 40CFR372

XVI. Other information

Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees.

This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user.

Department issuing MSDS

Research and Development Department


Green Catalysts, Inc
P.O. Box 2528
Santa Rosa, CA 95405