TRIMETHYL PHOSPHITE | ICSC: 1556 (October 2004) |
Phophorous acid, trimethyl ester Trimethoxy phosphine Methyl phosphite |
CAS #: 121-45-9 |
UN #: 2329 |
EC Number: 204-471-5 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Flammable. Gives off irritating or toxic fumes (or gases) in a fire. Above 23°C explosive vapour/air mixtures may be formed. | NO open flames, NO sparks and NO smoking. Above 23°C use a closed system, ventilation and explosion-proof electrical equipment. | Use foam, carbon dioxide, powder. In case of fire: keep drums, etc., cool by spraying with water. NO direct contact with water. |
AVOID EXPOSURE OF (PREGNANT) WOMEN! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Cough. Sore throat. | Use ventilation, local exhaust or breathing protection. | Fresh air, rest. |
Skin | Redness. Pain. | Protective gloves. | Rinse and then wash skin with water and soap. |
Eyes | Redness. Pain. | Wear safety spectacles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
Ingestion | Do not eat, drink, or smoke during work. | Rinse mouth. |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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Personal protection: self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible. |
According to UN GHS Criteria Transportation |
STORAGE | |
Fireproof. Separated from oxidants and strong bases. | |
PACKAGING | |
TRIMETHYL PHOSPHITE | ICSC: 1556 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C3H9O3P / (CH3O)3P |
EXPOSURE & HEALTH EFFECTS | |
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Routes of exposure
Effects of short-term exposure
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Inhalation risk
Effects of long-term or repeated exposure
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OCCUPATIONAL EXPOSURE LIMITS |
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TLV: 2 ppm as TWA. MAK skin absorption (H) |
ENVIRONMENT |
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Environmental effects from the substance have not been investigated adequately. |
NOTES |
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ADDITIONAL INFORMATION | ||
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EC Classification |
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See Also: Toxicological Abbreviations