METHYL VINYL KETONE | ICSC: 1495 (November 2003) |
3-Buten-2-one Methylene acetone |
CAS #: 78-94-4 |
UN #: 1251 |
EC Number: 201-160-6 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Highly flammable. Vapour/air mixtures are explosive. | NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. | Use water spray, powder, alcohol-resistant foam, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water. |
STRICT HYGIENE! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Burning sensation. Cough. Sore throat. Shortness of breath. Laboured breathing. Headache. Dizziness. Tremor. Symptoms may be delayed. See Notes. | Use ventilation, local exhaust or breathing protection. | Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention. |
Skin | MAY BE ABSORBED! Redness. Pain. Skin burns. Further see Inhalation. | Protective gloves. Protective clothing. | Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention . |
Eyes | Watering of the eyes. Redness. Pain. Severe deep 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. Abdominal pain. Shock or collapse. Further see Inhalation. | Do not eat, drink, or smoke during work. Wash hands before eating. | 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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Remove all ignition sources. Personal protection: chemical protection suit including self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. |
According to UN GHS Criteria Transportation |
STORAGE | |
Fireproof. Cool. Keep in the dark. Separated from strong reducing agents, strong oxidants and strong bases. Store only if stabilized. | |
PACKAGING | |
METHYL VINYL KETONE | ICSC: 1495 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C4H6O |
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: (ceiling value): 0.01 ppm as STEL. MAK: skin absorption (H); sensitization of skin (SH) |
ENVIRONMENT |
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NOTES |
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The occupational exposure limit value should not be exceeded during any part of the working exposure. 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. An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert. Do NOT take working clothes home. |
ADDITIONAL INFORMATION | ||
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EC Classification |
All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material. | |
See Also: Toxicological Abbreviations