ChemicalBook > CAS DataBase List > 2-Bromobutane

2-Bromobutane

Product Name
2-Bromobutane
CAS No.
78-76-2
Chemical Name
2-Bromobutane
Synonyms
S-BUTYL BROMIDE;SEC-BUTYL BROMIDE;BROMOBUTANE, 2-(SG);1-BROMO-1-METHYLPROPANE;2-Bromobutane sec-Butylbromide;sec-C4H9Br;2-Brombutan;2-BROMOBUTANE;2-bromo-butan;bromo-2butane
CBNumber
CB9854376
Molecular Formula
C4H9Br
Formula Weight
137.02
MOL File
78-76-2.mol
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2-Bromobutane Property

Melting point:
-112 °C
Boiling point:
91 °C(lit.)
Density 
1.255 g/mL at 25 °C(lit.)
vapor pressure 
70 hPa (20 °C)
refractive index 
n20/D 1.4369(lit.)
Flash point:
70 °F
storage temp. 
Store at +2°C to +8°C.
solubility 
<1g/l
form 
Liquid
color 
Clear colorless to yellow-brown
explosive limit
2.6-6.6%(V)
Water Solubility 
insoluble
Merck 
14,1554
BRN 
505949
Dielectric constant
8.6400000000000006
Stability:
Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKey
UPSXAPQYNGXVBF-UHFFFAOYSA-N
LogP
3 at 35℃ and pH7
CAS DataBase Reference
78-76-2(CAS DataBase Reference)
NIST Chemistry Reference
Butane, 2-bromo-(78-76-2)
EPA Substance Registry System
Butane, 2-bromo- (78-76-2)
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Safety

Hazard Codes 
F,Xi
Risk Statements 
11-36/37/38-10-52
Safety Statements 
16-23-24/25-37/39-26
RIDADR 
UN 2339 3/PG 2
WGK Germany 
2
RTECS 
EJ6228000
Autoignition Temperature
265 °C
Hazard Note 
Irritant/Highly Flammable
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29033036
Hazardous Substances Data
78-76-2(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P273Avoid release to the environment.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
B59500
Product name
2-Bromobutane
Purity
98%
Packaging
100g
Price
$50.3
Updated
2024/03/01
Sigma-Aldrich
Product number
B59500
Product name
2-Bromobutane
Purity
98%
Packaging
500g
Price
$128
Updated
2024/03/01
TCI Chemical
Product number
B0561
Product name
2-Bromobutane
Purity
>98.0%(GC)
Packaging
25g
Price
$17
Updated
2024/03/01
TCI Chemical
Product number
B0561
Product name
2-Bromobutane
Purity
>98.0%(GC)
Packaging
500g
Price
$82
Updated
2024/03/01
Alfa Aesar
Product number
A15069
Product name
2-Bromobutane, 98%
Packaging
250g
Price
$51.7
Updated
2024/03/01
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2-Bromobutane Chemical Properties,Usage,Production

Chemical Properties

colourless liquid with a pleasant odour

Uses

2-Bromobutane is utilized in the synthesis of non-nucleosides. It is used as a solvent as well as an intermediate in organic synthesis. It is an important raw material used to prepare Grignard reagent by reacting with magnesium. Further, it reacts with hydrocyanic acid to prepare sodium salt to get (+-)-sec-butyl cyanide. It is an important raw material used to prepare Grignard reagent by reacting with magnesium.

Uses

2-Bromobutane is used in the various organic synthesis, existing as a grignard reagent.

General Description

A colorless to pale-yellow colored liquid with a pleasant odor. Flash point 65°F. Insoluble in water and denser than water. Vapors are heavier than air and may be narcotic in high concentrations. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

Halogenated aliphatic compounds, such as 2-Bromobutane , are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Low molecular weight haloalkanes are highly flammable and can react with some metals to form dangerous products. Materials in this group are incompatible with strong oxidizing and reducing agents. Also, they are incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides. Gives toxic fumes of bromine when burned.

Hazard

Narcotic in high concentration. Flammable, dangerous fire risk.

Health Hazard

Irritating to eyes, nose, throat, upper respiratory tract, and skin. Symptoms of exposure include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting.

Safety Profile

Narcotic in high concentrations. Questionable carcinogen with experimental neoplastigenic data. See also BROMIDES and CHLORINATED HYDROCARBONS, ALIPHATIC. Flammable liquid. Dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Br-; can react with oxidzing materials. To fight fire, use water, spray or mist, foam, Co2, dry chemical.

Purification Methods

Wash 2-bromobutane with conc HCl, water, 10% aqueous NaHSO3, and then water. Dry it with CaCl2, Na2SO4 or anhydrous K2CO3, and fractionally distil it through a 1m glass helices packed column. [Beilstein 1 IV 261.]

2-Bromobutane Preparation Products And Raw materials

Raw materials

2-Butanol Hydrogen bromide Bromide

Preparation Products

2-Bromo-3-methylvalericacid 3-METHYL-2-PENTANONE Itraconazole A-(1-METHYLPROPYL)BENZENEACETONITRILE DIETHYL SEC-BUTYLMALONATE
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2-Bromobutane Suppliers

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View Lastest Price from 2-Bromobutane manufacturers

Hebei Miaoyin Technology Co.,Ltd
Product
2-Bromobutane 78-76-2
Price
US $30.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
10000
Release date
2023-04-14
Hebei Yanxi Chemical Co., Ltd.
Product
2-Bromobutane 78-76-2
Price
US $0.00/kgkg
Min. Order
1kgkg
Purity
0.99
Supply Ability
5000kg
Release date
2023-10-12
Hebei Chuanghai Biotechnology Co,.LTD
Product
2-bromobutane 78-76-2
Price
US $10.00/KG
Min. Order
1KG
Purity
99.%
Supply Ability
10 ton
Release date
2024-07-30

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  • 78762
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  • HALOGEN
  • Halogenated Hydrocarbons
  • Organic Building Blocks
  • Alkyl
  • Building Blocks
  • fine chemicals
  • Alkyl
  • Building Blocks
  • Chemical Synthesis
  • Halogenated Hydrocarbons
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  • Organics
  • ALKYL BROMIDE
  • Bromine Compounds