2-METHYLBUT-3-YN-2-OL | ICSC: 1746 (November 2009) |
2-Methyl-3-butyn-2-ol Ethynyldimethylcarbinol |
CAS #: 115-19-5 |
UN #: 1987 |
EC Number: 204-070-5 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Highly flammable. Vapour/air mixtures are explosive. Risk of explosion on contact with copper. | If powder: NO open flames, NO sparks, and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling. | Use carbon dioxide, foam, dry powder. NO water. In case of fire: keep drums, etc., cool by spraying with water. NO direct contact of the substance with water. |
SYMPTOMS | PREVENTION | FIRST AID | |
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Inhalation | Cough. | Use ventilation. | Fresh air, rest. |
Skin | Protective gloves. | Rinse skin with plenty of water or shower. | |
Eyes | Redness. Pain. | Wear safety goggles. | Rinse with plenty of water (remove contact lenses if easily possible). |
Ingestion | Dizziness. | 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. Collect leaking liquid in sealable containers. 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 DANGER
Highly flammable liquid and vapourHarmful if swallowed Causes eye irritation Transportation |
STORAGE | |
Fireproof. Separated from strong oxidants, acids and copper. Cool. | |
PACKAGING | |
2-METHYLBUT-3-YN-2-OL | ICSC: 1746 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C5H8O/(CH3)2C(OH)CCH |
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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ADDITIONAL INFORMATION | ||
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EC Classification |
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See Also: Toxicological Abbreviations