trans-2,3-Epoxybutane
Names
[ CAS No. ]:
21490-63-1
[ Name ]:
trans-2,3-Epoxybutane
[Synonym ]:
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
Chemical & Physical Properties
[ 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
MSDS
Toxicological Information
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
Safety Information
[ 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
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ 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%