Crotyl Bromide , >83.0%(GC) , 4784-77-4

Synonym(s):
trans-1-Bromo-2-butene

CAS NO.：4784-77-4

Empirical Formula: C4H7Br

Molecular Weight: 135

MDL number: MFCD00000248

EINECS: 225-332-5

PRODUCT Properties

• Melting point: -115.07°C (estimate)
• Boiling point: 97-99 °C(lit.)
• Density: 1.312 g/mL at 25 °C(lit.)
• refractive index: n20/D 1.480(lit.)
• Flash point: 11 °C
• storage temp.: 0-6°C
• form: clear liquid
• color: Colorless to Light yellow to Light orange
• CAS DataBase Reference: 4784-77-4(CAS DataBase Reference)
• EPA Substance Registry System: 2-Butene, 1-bromo- (4784-77-4)

Description and Uses

Crotyl Bromide acts as a reagent in the synthesis of antitumor antibiotic (±)-streptonigrin using ring-closing metathesis and asymmetric Suzuki-Miyaura cross-coupling to give the enantioenriched intermediates

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H225-H315-H319
• Precautionary statements: P210-P233-P240-P241+P242+P243-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P403+P235-P501
• Hazard Codes: F
• Risk Statements: 11-36/37
• Safety Statements: 16-26-36
• RIDADR: UN 1993 3/PG 2
• WGK Germany: 3
• F: 8
• HS Code: 2903.39.2050
• HazardClass: 3
• PackingGroup: II