2-Bromopropiomyl bromide

Name	2-Bromopropionyl bromide
Synonyms	-Bromopropionylbromide 2-bromo-propanoylbromid 2-Bromopropanoyl bromide 2-Bromopropiomyl bromide 2-bromopropanoyl bromide 2-Bromopropionyl bromide 2-bromo-Propanoylbromide Propanoyl bromide, 2-bromo- (2R)-2-bromopropanoyl bromide (2S)-2-bromopropanoyl bromide 2-bromopropionyl bromide (alpha-) 2-BROMOPROPIONYL BROMIDE (ALPHA-)
CAS	563-76-8
EINECS	209-261-7
InChI	InChI=1/C3H4Br2O/c1-2(4)3(5)6/h2H,1H3/t2-/m0/s1
InChIKey	ILLHORFDXDLILE-UHFFFAOYSA-N

Molecular Formula	C3H4Br2O
Molar Mass	215.87
Density	2.061 g/mL at 25 °C (lit.)
Boling Point	48-50 °C/10 mmHg (lit.)
Flash Point	>230°F
Solubility	Miscible with trichloromethane, diethyl ether, benzene and acetone.
Vapor Presure	1.3 mm Hg ( 20 °C)
Vapor Density	7.5 (vs air)
Appearance	clear liquid
Specific Gravity	2.061
Color	Colorless to Light yellow to Light orange
BRN	1071331
Sensitive	Moisture Sensitive
Refractive Index	n20/D 1.518(lit.)
Physical and Chemical Properties	Colorless or light yellow liquid. Boiling point of 152-154 ℃,48-50 ℃(1.3kPa), relative density of 2.0612(16/14 ℃), refractive index of 1.5182. It is miscible with benzene, acetic acid and propionic acid. Water and alcohol decomposition.
Use	Used as pharmaceutical, pesticide intermediates

Hazard Symbols	C - Corrosive
Risk Codes	R22 - Harmful if swallowed R34 - Causes burns
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN 3265 8/PG 2
WGK Germany	3
TSCA	Yes
HS Code	29159000
Hazard Class	8
Packing Group	II

LogP	0.38 at 25℃
NIST chemical information	Information provided by: webbook.nist.gov (external link)
EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
Use	It is an intermediate of the anesthetic γ-carbonylbutyrate sodium and an intermediate of the pharmaceutical prilocaine. Used as an intermediate in medicine and pesticide
Production method	It is obtained by bromination of propionic acid. Propionic acid and red phosphorus are added into the reaction pot, bromine is added dropwise at 60 ℃ for about 3 hours, the temperature is raised to 100-120 ℃, and the heat preservation reaction is carried out for 6 hours. Cooling, filtration, normal fractionation of filtrate, fractions before 154 ℃ are low boiling matter, slightly cold, high boiling point fractions are collected under reduced pressure until they cannot be steamed to obtain 2-bromopropionyl bromide.

Last Update：2024-04-10 22:29:15

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