1-Bromo-2-methylpropane

1-Bromo-2-methylpropane Basic information

Product Name:	1-Bromo-2-methylpropane
Synonyms:	1-BROMO-2-METHYLPROPANE;1-bromo-2-methyl-propan;1-Bromo-iso-butame;2-Methylpropylbromide;bromoisobutane;Isobutylbromid;iso-C4H9Br;Propane,1-bromo-2-methyl-
CAS:	78-77-3
MF:	C4H9Br
MW:	137.02
EINECS:	201-141-2
Product Categories:	Organics;ALKYL BROMIDE;K00001
Mol File:	78-77-3.mol

1-Bromo-2-methylpropane Chemical Properties

Melting point	-119 °C
Boiling point	90-92 °C(lit.)
density	1.26 g/mL at 20 °C(lit.)
vapor pressure	41 hPa (20 °C)
refractive index	n20/D 1.435(lit.)
Fp	65 °F
storage temp.	Store below +30°C.
solubility	0.51g/l slightly soluble
form	Liquid
color	Clear colorless
Water Solubility	0.51 g/L (18 ºC)
Merck	14,5135
BRN	1730915
Stability:	Volatile
InChIKey	HLVFKOKELQSXIQ-UHFFFAOYSA-N
CAS DataBase Reference	78-77-3(CAS DataBase Reference)
NIST Chemistry Reference	Propane, 1-bromo-2-methyl-(78-77-3)
EPA Substance Registry System	Propane, 1-bromo-2-methyl- (78-77-3)

Safety Information

Hazard Codes	F,Xi
Risk Statements	11-37-36/37/38
Safety Statements	16-23-37/39-26
RIDADR	UN 2342 3/PG 2
WGK Germany	3
RTECS	TX4140000
F	8
TSCA	Yes
HazardClass	3
PackingGroup	II
HS Code	29033036
Toxicity	LD50 orally in Rabbit: > 2000 mg/kg

MSDS Information

Provider	Language
Isobutyl bromide	English
SigmaAldrich	English
ACROS	English
ALFA	English

1-Bromo-2-methylpropane Usage And Synthesis

Chemical Properties	CLEAR LIQUID
Uses	1-Bromo-2-methylpropane is used as a synthetic reagent for the preparation of 1-ethyl-1,3-isobutylimidazolium bromide by reaction with 1-ethylimidazole.
Safety Profile	Questionable carcinogen with experimental neoplastigenic data. Moderately toxic by intraperitoneal route. A dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Br-. See also BROMIDES.
Purification Methods	Partially hydrolyse it to remove any tertiary alkyl halide, then fractionally distil it, then wash it with conc H2SO4, water and aqueous K2CO3, then redistil it from dry K2CO3. [Dunbar & Hammett J Am Chem Soc 72 109 1950, Beilstein 1 IV 294.]

1-Bromo-2-methylpropane Preparation Products And Raw materials

Raw materials	2-Methyl-1-propanol
Preparation Products	Sibutramine-->Isobutylamine-->Isobutylmercaptan-->4-isobutylaniline-->Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate-->Ethyl 2-isobutylacetoacetate-->3-Methylbutanenitrile-->2-methyl-1-nitropropane-->5-tert-butyl-2-furoic acid-->ISOBUTYLMAGNESIUM BROMIDE-->Isobutyl nitrite-->Diisobutylphenylphosphine-->Di-tert-butyl-isobutyl-phosphane

1-Hexadecylpyridinium bromide 2-Bromo-2-methylpropionic acid 1-BROMO-2,2-DIMETHYLPROPANE 3-Bromo-2,2-dimethyl-1-propanol 1-BROMO-2-METHYLPROPANE= ISOBUTYL BROMIDE Phenylacetic acid isobutyl ester 2-Bromo-3-methylbutyric acid 1-Bromo-2-methylbutane PENTAERYTHRITYL TETRABROMIDE Clidinium bromide 1-BROMO-2-METHYLPROPANE-3,3,3-D3 2-BROMO-2-METHYLPROPANE-D9 1-CHLORO-3-BROMO-2-METHYLPROPANE 2,2-Bis(bromomethyl)propane-1,3-diol 3-BENZYLOXY-1-BROMO-2-METHYLPROPANE 1-BROMO-2-METHYLPROPANE-D9 METHYL (R)-(+)-3-BROMO-2-METHYLPROPIONATE (+)-Camphor Bromide

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