Introduction:Basic information about CAS 689-97-4|1-buten-3-yne, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1-buten-3-yne |
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| CAS Number | 689-97-4 | Molecular Weight | 52.07460 |
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| Density | 0.71 | Boiling Point | 5ºC |
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| Molecular Formula | C4H4 | Melting Point | -118ºC |
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| MSDS | / | Flash Point | / |
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Names
| Name | butenyne |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 0.71 |
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| Boiling Point | 5ºC |
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| Melting Point | -118ºC |
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| Molecular Formula | C4H4 |
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| Molecular Weight | 52.07460 |
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| Exact Mass | 52.03130 |
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| LogP | 0.80560 |
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| Index of Refraction | 1.408 |
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| InChIKey | WFYPICNXBKQZGB-UHFFFAOYSA-N |
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| SMILES | C#CC=C |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- EN0950000
- CHEMICAL NAME :
- 1-Buten-3-yne
- CAS REGISTRY NUMBER :
- 689-97-4
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C4-H4
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 97200 mg/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,119,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5371 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 64 (estimated) No. of Female Employees: 3 (estimated)
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Safety Information
| Hazard Codes | Xn |
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| Risk Phrases | R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . |
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| Safety Phrases | S36:Wear suitable protective clothing . S24/25:Avoid contact with skin and eyes . |
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| RIDADR | 1954 |
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| Hazard Class | 2.1 |
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Synonyms
| 1-Butenyne |
| vinyl-acetylene |
| 3-butene-1-yne |
| 3-Buten-1-yne |
| monovinyl acetylene |
| 1-BUTEN-3-YNE |
| EINECS 211-713-3 |
| but-3-en-1-yne |
| Butenyne |
| but-1-en-3-yne |
| Ethene,ethynyl |