Section 1: Product Identification
Chemical Name: Vinylphosphonic acid dimethyl ester, min. 90%
CAS Registry Number: 4645-32-3
Formula: CH2=CHP(O)(OCH3)2
EINECS Number: 225-076-4
Chemical Family: organic phosphonic acid
Synonym: Dimethylvinylphosphonate;1-dimethoxyphosphorylethylene; Ethenylphosphonic acid dimethyl
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 4645-32-3 100% no data no data
Section 3: Hazards Identification
Emergency Overview: Harmful by inhalation and if swallowed. Corrosive to skin, eyes and respiratory tract. Causes burns.
Primary Routes of Exposure: Ingestion, inhalation, skin, eyes
Eye Contact: Severe corrosive to eyes. Exposure can lead to permanent eye damage.
Skin Contact: Harmful in contact with skin. Causes burns. Contact can lead to redness, pain, blistering and scar formation.
Harmful by inhalation. Material is extremely destructive to the tissue of the mucous membranes and
Inhalation:
respiratory tract.
Ingestion: Harmful if swallowed. Causes burns to the mouth, throat and stomach.
Acute Health Affects: Harmful by inhalation and if swallowed. Corrosive to skin, eyes and respiratory tract. Causes burns.
Repeated or prolonged exposure to spray mist may produce respiratory tract irritation leading to frequent
Chronic Health Affects:
attacks of bronchial infection.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: 208.4°F
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide, dry powder or foam
If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and If involved in a fire, this material may emit toxic and corrosive fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Ensure adequate ventilation and wear respiratory protection. Small spills can be mixed with vermiculite,
Spill and Leak Procedures: sodium carbonate or other suitable non-combustible adsorbent and swept up. Place in adequate container for
disposal. Do not let material enter drains.
SECTION 7: Handling and Storage
Handling and Storage: Store cold, in a tightly sealed container. Keep away from heat and direct sunlight.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves.
Ventilation: Handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: Handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: colorless liq.
Molecular Weight: 136.1
Melting Point: no data
Boiling Point: 197-202°C
Vapor Pressure: no data
Specific Gravity: 1.146g/cm3 (20°C)
Odor: none
Solubility in Water: soluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable (store cold)
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: none
Incompatibility: strong bases, oxidizing agents and fine powder metals
Decomposition Products: carbon monoxide, carbon dioxide and phosphorus oxides.
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: no data
Mutagenic Effects: no data
Tetratogenic Effects: no data
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Corrosive liquid, Acidic, Organic, N.O.S.
Hazard Class (CFR): 8
Additional Hazard Class (CFR): NA
Packaging Group (CFR): III
UN ID Number (CFR): UN# 3265
Shipping Name (IATA): Corrosive liquid, Acidic, Organic, N.O.S.
Hazard Class (IATA): 8
Additional Hazard Class (IATA): NA
Packaging Group (IATA): III
UN ID Number (IATA): UN# 3265
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory
SARA (Title 313): Not reportable under SARA313.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
