Ethyl bromide | 74-96-4, Ethyl bromide Formula

Description

Ethyl bromide is a halogenated hydrocarbon with the chemical formula C2H5Br, abbreviated as EtBr. It is a colorless to yellow volatile liquid that turns into a gas at temperatures above 101 °F (38 ℃). Ethyl bromide has an ether-like odor and a burnt taste. Ethyl bromide is miscible with alcohols, ethers, chloroform, and organic solvents. Its water solubility at 25 ℃ is 9000 mg l-1. It is incompatible with alkali metals, aluminum, magnesium, strong bases, water, and strong oxidants. The vapor density of ethyl bromide relative to air is 3.76, and the flash point is below 0°F. It is highly flammable and can easily form explosive mixtures with air.

Ethyl bromide Basic Attributes

Molecular Weight：

108.96500

Exact Mass：

108.97

EC Number：

200-825-8

HScode：

2903399090

Characteristics

PSA：

0

XLogP3：

1.40120

Appearance：

Clear colorless to slightly yellow Liquid

Density：

1.4612 g/cm³ @ Temp: 20 °C

Melting Point：

-119 °C

Boiling Point：

38.2 °C

Flash Point：

-23ºC

Refractive Index：

1.4225-1.4245

Water Solubility：

H2O: 0.91 g/100 mL (20 ºC)

Storage Conditions：

Refrigerator

Vapor Pressure：

25.32 psi ( 55 °C)

Vapor Density：

~3.75 (vs air)

Toxicity：

LC50 rats, mice (ppm): 27000, 16200 (Vernot)

Flammability characteristics：

Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.

Explosive limit：

vol% in air: 6.81

Odor：

... Ether-like odor

Taste：

Burning taste

Safety Information

Packing level：

II

Hazard category：

6.1

Transport codes：

UN 1891

wgk germany：

1

hazard class code：

R11; R20/22; R40

safety instructions：

S36/37

RTECS Number：

KH6475000

Marks：

F

Storage features：

Fireproof. Separated from incompatible materials. Cool. Dry. Well closed. Ventilation along the floor.

Stability/Shelf Life：

Stable. Highly flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with alkali metals, aluminium, magnesium, strong bases, water, strong oxidizing agents. May be light sensitive.

Precautionary statement(s)：

P201, P202, P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P281, P301+P312, P303+P361+P353, P304+P312, P304+P340, P308+P313, P312, P330, P370+P378, P403+P235, P405, P501

Hazard Statements：

H225

RIDADR：

UN 1891

Ethyl bromide Use and Manufacturing

Ethyl bromide is an organic solvent that can be used as an intermediate in the preparation of anesthetic drugs such as phenperidine and propofol. In addition, it can be used as a local anesthetic in surgery to produce a rapid and short-term anesthetic effect. Ethyl bromide can be used with hydrochlorothiazide and other drugs to synthesize anti-epileptic drugs, exerting sedative, hypnotic, anticonvulsant and other effects. Ethyl bromide can be used for crop protection, preparing intermediates for organophosphorus, organochlorine, organofluorine and other pesticides, and it can also be used directly as a pesticide to kill pests in plantations. Ethyl bromide can be used to prepare some special-purpose coatings, such as steel structure fire-retardant coatings, which can play a role in extinguishing fires. Ethyl bromide is also an effective flame retardant, which can be used to prepare flame retardants for plastic products such as polycarbonate, polyethylene, and polystyrene. Adding an appropriate amount of Ethyl bromide can reduce the toxic gases and smoke released when plastics burn, and reduce the losses caused by fires.

Analysis Methods

Name	Column Shape	Active Phase(℃)	Retention index	Temperature Control	Method	Comments	Reference
Kovats' RI, non-polar column, isothermal	Packed	OV-1	524.	100.	isothermal	He, Chromosorb W DMCS; Column length: 3. m	Castello, G.Gerbino, T.C.Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary PhasesJ. Chromatogr.1988, 437, 33-45.
Kovats' RI, non-polar column, isothermal	Packed	OV-1	529.	125.	isothermal	He, Chromosorb W DMCS; Column length: 3. m	Castello, G.Gerbino, T.C.Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary PhasesJ. Chromatogr.1988, 437, 33-45.
Kovats' RI, non-polar column, isothermal	Packed	OV-1	517.	75.	isothermal	He, Chromosorb W DMCS; Column length: 3. m	Castello, G.Gerbino, T.C.Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary PhasesJ. Chromatogr.1988, 437, 33-45.
Kovats' RI, non-polar column, isothermal	Packed	SE-30	522.	100.	isothermal	Gaschrom Q; Column length: 2. m	Winskowski, J.Gaschromatographische Identifizierung von Stoffen anhand von Indexziffem und unterschiedlichen DetektorenChromatographia1983, 17, 3, 160-165.
Kovats' RI, non-polar column, isothermal	Packed	Porapack Q	484.	200.	isothermal	N2	Goebel, K.-J.Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und RechnerhilfeJ. Chromatogr.1982, 235, 1, 119-127.

Computed Properties

Molecular Weight:108.97
XLogP3:1.4
Exact Mass:107.95746
Monoisotopic Mass:107.95746
Heavy Atom Count:3
Complexity:2.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Synthesis Route

1

+

=

+

2

+

115197-42-7

+

=

+

+

3

+

=

+

Material

Ethyl propionate

Diethyl carbonate

1,2-Dichloroethane

Ethyl isovalerate

Pyridine

Triethylamine

Triethyl phosphite

2-Naphthol

Ethyl acetate

Triphenylphosphine

Ethanol

Diethyl sulfate

Ethane

Diethyl phosphite

Sulfuric acid

Phosphorus tribromide

Tetraethyl orthocarbonate

Tetraethoxysilane

N,N-Diethylaniline

Ethyl benzoate

Downstream Products

Butane

Diethylene glycol diethyl ether

Carbon dioxide

1,2-Diethoxybenzene

Isobutyl chloride

Ethanol

Benzoic acid

Norfloxacin

Ethane

Ethyl benzoate

2-Ethoxyphenol

Price Analysis

Make your Ethyl bromide purchase based on the price and market insights! ECHEMI provides professional market insights with prices for you to make a better choice. Learn more on Ethyl bromide prices .

Data: 2026-03-30
Price: 25000.00Yuan/ton
Change: 500.0

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Ethyl bromide 99 high purity hly 57

Unit Price: $1 /MT FOB

CAS No.: 74-96-4

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Content: 99.5%

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