2-Bromobutane

2-Bromobutane Basic information
Product Name:2-Bromobutane
Synonyms:1-BROMO-1-METHYLPROPANE;2-BROMOBUTANE;SEC-BUTYL BROMIDE;S-BUTYL BROMIDE;2-Bromobutane, 99+%;2-Bromobutane sec-Butylbromide;2-BROMOBUTANE,REAGENT;BROMOBUTANE, 2-(SG)
CAS:78-76-2
MF:C4H9Br
MW:137.02
EINECS:201-140-7
Product Categories:fine chemicals;Alkyl;Building Blocks;Chemical Synthesis;Halogenated Hydrocarbons;Organic Building Blocks;Intermediates;Organics;ALKYL BROMIDE;Bromine Compounds
Mol File:78-76-2.mol
2-Bromobutane Structure
2-Bromobutane Chemical Properties
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.)
Fp 70 °F
storage temp. Store at +2°C to +8°C.
solubility <1g/l
form Liquid
color Clear colorless to yellow-brown
explosive limit2.6-6.6%(V)
Water Solubility insoluble
Merck 14,1554
BRN 505949
Stability:Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKeyUPSXAPQYNGXVBF-UHFFFAOYSA-N
LogP3 at 35℃ and pH7
CAS DataBase Reference78-76-2(CAS DataBase Reference)
NIST Chemistry ReferenceButane, 2-bromo-(78-76-2)
EPA Substance Registry SystemButane, 2-bromo- (78-76-2)
Safety Information
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 Temperature265 °C
Hazard Note Irritant/Highly Flammable
TSCA Yes
HazardClass 3
PackingGroup II
HS Code 29033036
Hazardous Substances Data78-76-2(Hazardous Substances Data)
MSDS Information
ProviderLanguage
Methylethylbromoomethane English
SigmaAldrich English
ACROS English
ALFA English
2-Bromobutane Usage And Synthesis
Chemical Propertiescolourless liquid with a pleasant odour
Uses2-Bromobutane is used in the various organic synthesis, existing as a grignard reagent.
Uses2-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.
General DescriptionA 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 ReactionsHighly flammable. Insoluble in water.
Reactivity ProfileHalogenated 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.
HazardNarcotic in high concentration. Flammable, dangerous fire risk.
Health HazardIrritating 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 ProfileNarcotic 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 MethodsWash 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 materialsHydrogen bromide-->Bromide-->2-Butanol
Preparation Products3-METHYL-2-PENTANONE-->Itraconazole-->DIETHYL SEC-BUTYLMALONATE-->2-Bromo-3-methylvalericacid-->A-(1-METHYLPROPYL)BENZENEACETONITRILE
butylbromide(1-bromobutane 1-Bromo-2-methylpropane 1-Chloro-2-methylpropane 1,4-Dibromopentane 2,3-DIBROMOBUTANE 1,2-Dibromobutane ISOBUTANE Buprofezin Clidinium bromide Butyl acrylate n-Butane Sodium bromate Ethidium bromide 2-BROMOTRIDECANE 2-BROMO-1-PHENYLPROPANE Methyl bromide 2-Butoxyethanol 2-Bromobutane

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