2-Metbut-1-en-1yne
Suppliers
Names
[ CAS No. ]:
78-80-8
[ Name ]:
2-Metbut-1-en-1yne
[Synonym ]:
2-methylbut-1-en-3-yne
EINECS 201-144-9
MFCD00008599
2-Metbut-1-en-1yne
Chemical & Physical Properties
[ Density]:
0.695 g/mL at 25 °C(lit.)
[ Boiling Point ]:
32 °C(lit.)
[ Melting Point ]:
-113 °C
[ Molecular Formula ]:
C5H6
[ Molecular Weight ]:
66.10110
[ Flash Point ]:
20 °F
[ Exact Mass ]:
66.04700
[ LogP ]:
1.19570
[ Vapour Pressure ]:
8.96 psi ( 20 °C)
[ Index of Refraction ]:
n20/D 1.416(lit.)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EN0960000
- CHEMICAL NAME :
- 1-Buten-3-yne, 2-methyl-
- CAS REGISTRY NUMBER :
- 78-80-8
- BEILSTEIN REFERENCE NO. :
- 0969175
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 5
- MOLECULAR FORMULA :
- C5-H6
- MOLECULAR WEIGHT :
- 66.11
- WISWESSER LINE NOTATION :
- 1UU1Y1&U1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,6,1961 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 639 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,6,1961
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 350 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,6,1961
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 12600 mg/m3
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(4),55,1987
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 8,100,1956
Safety Information
[ Hazard Codes ]:
F+,Xn,F,Xi
[ Risk Phrases ]:
12-20/22-36/37/38-65
[ Safety Phrases ]:
16-26-36/37-62
[ RIDADR ]:
UN 3295 3/PG 1
[ WGK Germany ]:
3
[ RTECS ]:
EN0960000
[ Packaging Group ]:
I