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21490-63-1

21490-63-1 structure
21490-63-1 structure

Name trans-2,3-Epoxybutane
Synonyms TRANS-2-BUTENE OXIDE
EINECS 244-406-8
3-epoxy-trans-butan
trans-2-butyleneoxide
MFCD00005129
trans-2,3-dimethyloxirane
3-dimethyl-trans-oxiran
TRANS-2,3-EPOXYBUTANE
trans-2,3-dimethyloxyrane
rac-trans-butene oxide
Density 0.804
Boiling Point 56.5ºC at 760mmHg
Molecular Formula C4H8O
Molecular Weight 72.10570
Flash Point -26°C
Exact Mass 72.05750
PSA 12.53000
LogP 0.79360
Index of Refraction n20/D 1.373

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EK3855040
CHEMICAL NAME :
Butane, 2,3-epoxy-, trans-
CAS REGISTRY NUMBER :
21490-63-1
BEILSTEIN REFERENCE NO. :
0079772
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C4-H8-O
MOLECULAR WEIGHT :
72.12

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
25 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 249,55,1991
Hazard Codes F: Flammable;Xi: Irritant;
Risk Phrases R11;R20/21/22;R36/37/38
Safety Phrases S16-S23-S26-S36/37/39
RIDADR UN 3271 3/PG 2
WGK Germany 3
RTECS EK3855040
Packaging Group II
HS Code 2910900090
HS Code 2910900090
Summary 2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%