2-BUTYNE-1,4-DIOL | ICSC: 1733 (November 2008) |
1,4-Dihydroxy-2-butyne But-2-yne-1,4-diol 2-Butynediol 1,4-Butynediol |
CAS #: 110-65-6 |
UN #: 2716 |
EC Number: 203-788-6 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Combustible. Risk of explosion on contact with bases, oxidizing agents or halogens. | NO open flames. | Use water spray, alcohol-resistant foam, dry powder, carbon dioxide. |
STRICT HYGIENE! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Cough. Sore throat. Burning sensation. Shortness of breath. Laboured breathing. | Use ventilation (not if powder). | Fresh air, rest. Half-upright position. Refer immediately for medical attention. |
Skin | Redness. Pain. Skin burns. | Protective clothing. Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer immediately for medical attention. |
Eyes | Redness. Pain. Burns. | Wear face shield or eye protection in combination with breathing protection if powder. | Rinse with plenty of water (remove contact lenses if easily possible). Refer immediately for medical attention. |
Ingestion | Burns in mouth and throat. Burning sensation in the throat and chest. Abdominal pain. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Do NOT induce vomiting. Refer immediately for medical attention. |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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Evacuate danger area! Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. |
According to UN GHS Criteria DANGER
Toxic if swallowed or if inhaledHarmful in contact with skin Causes severe skin burns and eye damage May cause allergic skin reaction May cause damage to liver, kidneys and blood through prolonged or repeated exposure Harmful to aquatic life Transportation |
STORAGE | |
Separated from incompatible materials. See Chemical Dangers. Cool. Store in an area without drain or sewer access. | |
PACKAGING | |
Do not transport with food and feedstuffs. |
2-BUTYNE-1,4-DIOL | ICSC: 1733 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C4H6O2/OHCH2CCCH2OH |
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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MAK: 0.36 mg/m3, 0.1 ppm; peak limitation category: I(1); skin absorption (H); sensitization of skin (SH); pregnancy risk group: C. EU-OEL: 0.5 mg/m3 as TWA |
ENVIRONMENT |
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The substance is harmful to aquatic organisms. |
NOTES |
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There is no odour warning even when toxic concentrations are present. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. |
ADDITIONAL INFORMATION | ||
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EC Classification Symbol: C, T; R: 21-23/25-34-43-48/22; S: (1/2)-25-26-36/37/39-45-46 |
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