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107-01-7

107-01-7 structure
107-01-7 structure

Name but-2-ene
Synonyms butene-2
(2E)-2-Butene
butylene-2
CH3CH=CHCH3
2-Buten
MFCD00064458
2-BUTYLENE
2-BUTENE
EINECS 210-855-3
E/Z-2-butene
Density 0.636 g/cm3
Boiling Point 1 °C(lit.)
Melting Point −140 °C(lit.)
Molecular Formula C4H8
Molecular Weight 56.10630
Flash Point <−30 °F
Exact Mass 56.06260
LogP 1.58240
Vapour density 2 (vs air)
Vapour Pressure 1600mmHg at 25°C
Index of Refraction 1.384

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EM2932000
CHEMICAL NAME :
2-Butene
CAS REGISTRY NUMBER :
107-01-7
BEILSTEIN REFERENCE NO. :
1718755
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C4-H8

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 :
425 ppm
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,12,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 14144 No. of Facilities: 35 (estimated) No. of Industries: 3 No. of Occupations: 8 No. of Employees: 1648 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 14144 No. of Facilities: 32 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 545 (estimated)
Hazard Codes F: Flammable;
Risk Phrases R12
Safety Phrases S9-S16-S33
RIDADR UN 1012 2.1
WGK Germany 3
RTECS EM2932000
Hazard Class 2.1
HS Code 2901232000
HS Code 2901232000
Summary 2901232000 (e)-but-2-ene。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:2.0%。general tariff:20.0%