PROPIONIC ANHYDRIDE | ICSC: 0558 (March 1996) |
Propanoic anhydride Methylacetic anhydride Propanoic acid anhydride |
CAS #: 123-62-6 |
UN #: 2496 |
EC Number: 204-638-2 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Combustible. Above 63°C explosive vapour/air mixtures may be formed. | NO open flames. Above 63°C use a closed system and ventilation. | Use water spray, powder, alcohol-resistant foam, carbon dioxide. |
PREVENT GENERATION OF MISTS! AVOID ALL CONTACT! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Sore throat. Cough. Burning sensation. Shortness of breath. Symptoms may be delayed. See Notes. | Use ventilation, local exhaust or breathing protection. | Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. |
Skin | Pain. Skin burns. | Protective gloves. Protective clothing. | Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention . |
Eyes | Redness. Pain. Severe burns. | Wear face shield or eye protection in combination with breathing protection. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
Ingestion | Burning sensation. Sore throat. Abdominal pain. Shock or collapse. | Do not eat, drink, or smoke during work. | Rinse mouth. Do NOT induce vomiting. Give one or two glasses of water to drink. Refer for medical attention . |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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Personal protection: chemical protection suit and face shield. Collect leaking liquid in sealable containers. Absorb remaining liquid in dry sand or inert absorbent. Then store and dispose of according to local regulations. |
According to UN GHS Criteria Transportation |
STORAGE | |
Dry. Ventilation along the floor. Separated from bases, oxidants and food and feedstuffs. | |
PACKAGING | |
Do not transport with food and feedstuffs. |
PROPIONIC ANHYDRIDE | ICSC: 0558 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C6H10O3 / (CH3CH2CO)2O |
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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ENVIRONMENT |
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NOTES |
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The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor, or by an authorized person, should be considered. |
ADDITIONAL INFORMATION | ||
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EC Classification Symbol: C; R: 34; S: (1/2)-26-45 |
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See Also: Toxicological Abbreviations