1-buten-3-yne
Suppliers
Names
[ CAS No. ]:
689-97-4
[ Name ]:
1-buten-3-yne
[Synonym ]:
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
Chemical & Physical Properties
[ Density]:
0.71
[ Boiling Point ]:
5ºC
[ Melting Point ]:
-118ºC
[ Molecular Formula ]:
C4H4
[ Molecular Weight ]:
52.07460
[ Exact Mass ]:
52.03130
[ LogP ]:
0.80560
[ Index of Refraction ]:
1.408
MSDS
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 DATA
ACUTE 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)
Safety Information
[ Hazard Codes ]:
Xn
[ Risk Phrases ]:
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
[ Safety Phrases ]:
S36:Wear suitable protective clothing . S24/25:Avoid contact with skin and eyes .
[ RIDADR ]:
1954
[ Hazard Class ]:
2.1