MESITYL OXIDE
ICSC: 0814 |
4-Methyl-3-penten-2-one Methyl isobutenyl ketone C6H10O / (CH3)2C=CHCOCH3 Molecular mass: 98.1 ICSC # 0814 | CAS # 141-79-7 RTECS # SB4200000 UN # 1229 EC # 606-009-00-1 March 26, 1998 Validated |
TYPES OF HAZARD/ EXPOSURE | ACUTE HAZARDS/ SYMPTOMS | PREVENTION | FIRST AID/ |
FIRE | Flammable. | NO open flames, NO sparks, and NO smoking. | Alcohol-resistant foam, powder, carbon dioxide. |
EXPLOSION | Above 25°C explosive vapour/air mixtures may be formed. | Above 25°C use a closed system, ventilation, and explosion-proof electrical equipment. | In case of fire: keep drums, etc., cool by spraying with water. |
EXPOSURE | STRICT HYGIENE! | ||
INHALATION | Cough. Dizziness. Dullness. Headache. Shortness of breath. Sore throat. | Ventilation, local exhaust, or breathing protection. | Fresh air, rest. Artificial respiration if indicated. Refer for medical attention. |
SKIN | MAY BE ABSORBED! Dry skin. Redness. Pain (further see Inhalation). | Protective gloves. Protective clothing. | Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention. |
EYES | Redness. Pain. | 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 take to a doctor. |
INGESTION | Abdominal cramps (further see Inhalation). | Do not eat, drink, or smoke during work. | Rinse mouth. Give a slurry of activated charcoal in water to drink. Refer for medical attention. |
SPILLAGE DISPOSAL | STORAGE | PACKAGING & LABELLING | ||
Ventilation. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT wash away into sewer. (Extra personal protection: self-contained breathing apparatus). | Fireproof. Separated from strong oxidants. Cool. Keep in the dark. | Xn symbol R: 10-20/21/22 S: 2-25 UN Hazard Class: 3 UN Packing Group: III | ||
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MESITYL OXIDE | ICSC: 0814 |
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PHYSICAL |
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ENVIRONMENTAL | The substance is harmful to aquatic organisms. | |||
N O T E S | ||||
Other melting points: -59°C. Use of alcoholic beverages enhances the harmful effect. Depending on the degree of exposure, periodic medical examination is indicated. Check for peroxides prior to distillation; eliminate if found. Card has been partly updated in October 2006. See sections: Occupational Exposure Limits, Fire fighting.
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ADDITIONAL INFORMATION | |||||
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IMPORTANT LEGAL NOTICE: | Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values. |
- Page last reviewed: July 22, 2015
- Page last updated: July 1, 2014
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