METHYL TERT-BUTYL ETHER | ICSC: 1164 (November 2000) |
tert-Butyl methyl ether MTBE Methyl-1,1-dimethylethyl ether 2-Methoxy-2-methyl propane |
CAS #: 1634-04-4 |
UN #: 2398 |
EC Number: 216-653-1 |
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. NO contact with oxidizing agents. Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling. | Use powder, AFFF, foam, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water. |
SYMPTOMS | PREVENTION | FIRST AID | |
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Inhalation | Drowsiness. Dizziness. Headache. Weakness. Unconsciousness. | Use ventilation, local exhaust or breathing protection. | Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. |
Skin | Dry skin. Redness. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
Eyes | Redness. | Wear safety goggles or face shield. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
Ingestion | Abdominal pain. Nausea. Vomiting. Further see Inhalation. | Do not eat, drink, or smoke during work. | Rinse mouth. Give a slurry of activated charcoal in water to drink. Do NOT induce vomiting. Refer for medical attention . |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Remove all ignition sources. 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. Do NOT wash away into sewer. |
According to UN GHS Criteria Transportation |
STORAGE | |
Fireproof. Separated from strong oxidants and strong acids. | |
PACKAGING | |
METHYL TERT-BUTYL ETHER | ICSC: 1164 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: (CH3)3COCH3 / C5H12O |
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: 50 ppm as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans). MAK: 180 mg/m3, 50 ppm; carcinogen category: 3; pregnancy risk group: C. EU-OEL: 183.5 mg/m3, 50 ppm as TWA; 367 mg/m3, 100 ppm as STEL |
ENVIRONMENT |
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It is strongly advised not to let the chemical enter into the environment because it is persistent. |
NOTES |
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Much less likely to form peroxides than other ethers. |
ADDITIONAL INFORMATION | ||
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EC Classification Symbol: F, Xi; R: 11-38; S: (2)-9-16-24 |
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 Methyl tert-Butyl Ether (IARC Summary & Evaluation, Volume 73, 1999)