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Ethyl 2-bromopropionate

Ethyl 2-bromopropionate structure

CAS No:
535-11-5
Formula:
C5H9BrO2
Chemical Name:
Ethyl 2-bromopropionate
Synonyms:
Propanoic acid,2-bromo-,ethyl ester;Propionic acid,2-bromo-,ethyl ester;Propionic acid,α-bromo-,ethyl ester;Ethyl α-bromopropionate;Ethyl 2-bromopropionate;2-Bromopropionic acid ethyl ester;α-Bromopropionic acid ethyl ester;Ethyl 2-bromopropanoate;Ethyl α-bromopropanoate;2-Bromopropanoic acid ethyl ester;(±)-2-Bromopropanoic acid ethyl ester;Ethyl dl-α-bromopropionate;Ethyl (±)-2-bromopropionate;Ethyl DL-2-bromopropionate;(±)-2-Bromopropionic acid ethyl ester;(±)-Ethyl α-bromopropionate;NSC 6753;41978-69-2;2374896-02-1
Categories:
Agrochemicals > Pesticide Intermediates

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Description

clear colorless to very slightly yellow liquid

Ethyl 2-bromopropionate Basic Attributes

Molecular Weight：

181.03

Exact Mass：

181.03

BRN：

773920

EC Number：

208-609-5

NSC Number：

6753

HScode：

29159080

Characteristics

PSA：

26.3

XLogP3：

1.7

Appearance：

Clear colorless to very slightly yellow Liquid

Density：

1.38226 g/cm³ @ Temp: 25.00 °C

Melting Point：

<25 °C

Boiling Point：

160 °C

Flash Point：

125 °F

Refractive Index：

1.454

Water Solubility：

H2O: Immiscible

Storage Conditions：

Flammables area

Toxicity：

LD50 orally in Rabbit: 281 mg/kg

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 2920 8/PG 2

wgk germany：

hazard class code：

10-34-36/37/38-20/22

safety instructions：

16-26-36/37/39-45-37/39

RTECS Number：

UA2451730

Marks：

C,Xn

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H226-H314

GHS Classification：

|Danger|H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P362, P363, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 63 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Ethyl 2-bromopropionate Use and Manufacturing

Methods of Manufacturing

The preparation method is to put propionic acid and red phosphorus into the reaction bottle, add bromine dropwise at 60°C for about 3h, then warm up to 100～120°C, keep warm and stir for 6h, cool, filter, heat and distill the filtrate, and then fractionate to obtain 2 -Bromopropionyl bromide, the finished product is obtained by reacting 2-bromopropionyl bromide with absolute ethanol. The reaction equation is as follows: CH3CH2COOH+Br2[P]→CH3CHBrCOBr+H2OCH3CHBrCOBr+C2H5OH→CH3CHBrCOOC2H5+HBr

Uses

Ethyl 2-Bromopropionate is an intermediate in the synthesis of organic compounds and pharmaceuticals.

Manufacturing Info：

Propanoic acid, 2-bromo-, ethyl ester: ACTIVE

Computed Properties

Molecular Weight:181.03
XLogP3:1.7
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:3
Exact Mass:179.97859
Monoisotopic Mass:179.97859
Topological Polar Surface Area:26.3
Heavy Atom Count:8
Complexity:82.5
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Ethanol

Thionyl chloride

Propionic acid

Ethyl propionate

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CAS No.: 535-11-5

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Ethyl 2-bromopropionate CAS 535-11-5

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CAS No.: 535-11-5

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