TRANS-2,3-EPOXYBUTANE

CAS No.：21490-63-1

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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TRANS-2,3-EPOXYBUTANE Basic information

Product Name:	TRANS-2,3-EPOXYBUTANE
Synonyms:	2,3-Butylene oxide (trans);2,3-Dimethyl-oxirane (E);3-dimethyl-trans-oxiran;3-epoxy-trans-butan;Butane, 2,3-epoxy-, trans-;trans-2-Butylene Oxide;trans-2-butyleneoxide;TRANS-2-BUTENE OXIDE
CAS:	21490-63-1
MF:	C4H8O
MW:	72.11
EINECS:	244-406-8
Product Categories:	EPOXYDE
Mol File:	21490-63-1.mol

TRANS-2,3-EPOXYBUTANE Chemical Properties

Melting point	-85°C
Boiling point	54-55°C
density	0.807 g/mL at 20 °C(lit.)
refractive index	n20/D 1.373
Fp	-26°C
Specific Gravity	0.804
Water Solubility	Soluble in water(95g/L).
Sensitive	Moisture Sensitive
BRN	79772
CAS DataBase Reference	21490-63-1(CAS DataBase Reference)
EPA Substance Registry System	Oxirane, 2,3-dimethyl-, (2R,3R)-rel- (21490-63-1)

Safety Information

Hazard Codes	F,Xi
Risk Statements	11-36/37/38
Safety Statements	16-26-36/37
RIDADR	UN 3271 3/PG 2
WGK Germany	3
RTECS	EK3855040
F	21
HazardClass	3
PackingGroup	II
HS Code	2910900090

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

TRANS-2,3-EPOXYBUTANE Usage And Synthesis

Uses	A higher order cuprate reacted with trans-2,3-epoxybutane a high yield both counted on the epoxide (96%) and on the haloalkane (85%). Enolate derived from trans-2,3-Epoxybutan has chiral recognition.

TRANS-2,3-EPOXYBUTANE Preparation Products And Raw materials

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