alpha-METHYL STYRENE | ICSC: 0732 (October 2005) |
Isopropenyl benzene 2-Phenylpropene 1-Methyl-1-phenylethylene |
CAS #: 98-83-9 |
UN #: 2303 |
EC Number: 202-705-0 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Flammable. Above 54°C explosive vapour/air mixtures may be formed. | NO open flames, NO sparks and NO smoking. Above 54°C use a closed system, ventilation and explosion-proof electrical equipment. | Use water spray, foam, powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water. |
PREVENT GENERATION OF MISTS! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Cough. Dizziness. Sore throat. | Use ventilation, local exhaust or breathing protection. | Fresh air, rest. |
Skin | Redness. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
Eyes | Redness. Watering of the eyes. | 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: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Ventilation. Collect leaking and spilled liquid in sealable non-metallic 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 | |
Store only if stabilized. Store in an area without drain or sewer access. Fireproof. Well closed. Separated from strong oxidants. | |
PACKAGING | |
Marine pollutant. |
alpha-METHYL STYRENE | ICSC: 0732 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C9H10 / C6H5C(CH3)=CH2 |
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: 10 ppm as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans). MAK: 250 mg/m3, 50 ppm; peak limitation category: I(2); pregnancy risk group: D. EU-OEL: 246 mg/m3, 50 ppm as TWA; 492 mg/m3, 100 ppm as STEL |
ENVIRONMENT |
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The substance is harmful to aquatic organisms. The substance may cause long-term effects in the aquatic environment. Bioaccumulation of this chemical may occur in fish. |
NOTES |
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ADDITIONAL INFORMATION | ||
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EC Classification Symbol: Xi, N; R: 10-36/37-51/53; S: (2)-61 |
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See Also: Toxicological Abbreviations