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3-Bromo-2-methylpropene

CAS No.
1458-98-6
Chemical Name:
3-Bromo-2-methylpropene
Synonyms
3-BROMO-2-METHYLPROP-1-ENE;2-(bromomethyl)prop-1-ene;METHALLYL BROMIDE;METHYLALLYL BROMIDE;3-Bromo-2-methyl-1-propene;3-Bromo-2-methyL;2-methylallylbromide;2-(bromomethyl)propene;3-BROMO-2-METHYLPROPENE;33-bromo-2-methylpropene
CBNumber:
CB0729406
Molecular Formula:
C4H7Br
Molecular Weight:
135
MDL Number:
MFCD00134155
MOL File:
1458-98-6.mol
MSDS File:
SDS
Last updated:2026-01-13 11:12:30
Product description Number Pack Size Price
3-Bromo-2-methylpropene 97% 345830 5ml $111
3-Bromo-2-methylpropene 97% 345830 25ml $313
3-Bromo-2-methyl-1-propene >95.0%(GC) B2467 5g $34
3-BROMO-2-METHYL-1PROPENE 17831 10g $79.39
3-Bromo-2-methyl-1-propene B685480 5ml $55
More product size

3-Bromo-2-methylpropene Properties

Melting point -115.07°C (estimate)
Boiling point 94-95 °C (lit.)
Density 1.339 g/mL at 25 °C (lit.)
refractive index n20/D 1.472(lit.)
Flash point 44 °F
storage temp. 2-8°C
solubility Chloroform, Ethyl Acetate
form Oil
color Clear Colourless to Pale Yellow
Specific Gravity 1.339
Stability Light Sensitive
InChI InChI=1S/C4H7Br/c1-4(2)3-5/h1,3H2,2H3
InChIKey USEGQJLHQSTGHW-UHFFFAOYSA-N
SMILES C=C(C)CBr
CAS DataBase Reference 1458-98-6(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS05,GHS07,GHS09
Signal word  Danger
Hazard statements  H225-H302+H332-H314-H411
Precautionary statements  P210-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  F,C,N
Risk Statements  11-20/22-34-51/53
Safety Statements  9-16-26-29-36/37/39-45-61
RIDADR  UN 2924 3/PG 2
WGK Germany  3
HazardClass  3.1
PackingGroup  II
HS Code  29033990
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Aquatic Chronic 2
Eye Dam. 1
Flam. Liq. 2
Skin Corr. 1B
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
3 0

3-Bromo-2-methylpropene price More Price(32)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 345830 3-Bromo-2-methylpropene 97% 1458-98-6 5ml $111 2026-04-30 Buy
Sigma-Aldrich 345830 3-Bromo-2-methylpropene 97% 1458-98-6 25ml $313 2026-04-30 Buy
TCI Chemical B2467 3-Bromo-2-methyl-1-propene >95.0%(GC) 1458-98-6 5g $34 2026-04-30 Buy
GFS CHEMICALS 17831 3-BROMO-2-METHYL-1PROPENE 1458-98-6 10g $79.39 2021-12-16 Buy
TRC B685480 3-Bromo-2-methyl-1-propene 1458-98-6 5ml $55 2021-12-16 Buy
Product number Packaging Price Buy
345830 5ml $111 Buy
345830 25ml $313 Buy
B2467 5g $34 Buy
17831 10g $79.39 Buy
B685480 5ml $55 Buy

3-Bromo-2-methylpropene Chemical Properties,Uses,Production

Chemical Properties

clear colorless to yellow liquid

Uses

3-Bromo-2-methylpropene may be used:

  • in the synthesis of alkenyl imines
  • in the synthesis of 2-methylpropenyl (“methallyl”) complex, Cp*Os(η3-allyl)Br2
  • in a study of chiral phase transfer alkylation leading to (S)-α-alkylcysteines

Uses

3-Bromo-2-methylpropene is used as a general reagent for various organic reactions and primarily for amino acid synthesis and asymmetric amino acid synthesis.

General Description

Rotational isomerism in 3-bromo-2-methylpropene has been studied by IR spectroscopy.

Global( 246)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055 Sibel@chuanghaibio.com China 8738 58
Speranza Chemical Co., Ltd.
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CONIER CHEM AND PHARMA LIMITED
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Zhengzhou Alfa Chemical Co.,Ltd
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Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58

View Lastest Price from 3-Bromo-2-methylpropene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-Bromo-2-methylpropene pictures 2026-03-20 3-Bromo-2-methylpropene
1458-98-6
US $0.00-0.00 / KG 1KG 99% 20 mt Hebei Chuanghai Biotechnology Co., Ltd
3-Bromo-2-methylpropene pictures 2021-08-12 3-Bromo-2-methylpropene
1458-98-6
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
3-Bromo-2-methylpropene pictures 2021-07-13 3-Bromo-2-methylpropene
1458-98-6
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
Methallyl bromide, Methylallyl bromide 3-Bromo-2-methylpropene,97% 3-BroMo-2-Methylpropene 97% 2-methylallylbromide 3-Bromo-2-methyl-1-propylene propene,3-bromo-2-methyl- 3-BROMO-2-METHYLPROPENE Bulk Pharmaceuticals and Intermediates 1-Bromo-2-methyl-2-propene 1-propene,3-bromo-2-methyl- 2-(bromomethyl)propene 2-Methyl-2-propenylbromide 2-Methyl-3-bromo-1-propene 33-bromo-2-methylpropene 3-Bromo-2-methylpropene,Methallyl bromide, Methylallyl bromide 2-Methyl-2-propenyl Bromide 2-Methylallyl Bromide 3-BroMo-2-Methyl-1-propene (stabilized with TBC) 3-BROMO-2-METHYL-1-PROPENE, 98%3-BROMO-2-METHYL-1-PROPENE, 98%3-BROMO-2-METHYL-1-PROPENE, 98%3-BROMO-2-METHYL-1-PROPENE, 98% 3-Bromo-2-methyl-1-propene > 1-Propene, 3-bromo-2-methyl- (9CI) 3-Bromo-2-methyl-1-propene - stabilised with 0.1% hydroquinone 3-Bromo-2-methyL 3-Bromo-2-methyl-1-propene METHALLYL BROMIDE METHYLALLYL BROMIDE 3-BROMO-2-METHYLPROP-1-ENE 2-(bromomethyl)prop-1-ene 3-Bromine-2-methyl-1-propylene 3-Bromo-2-methylpropene,98% (stabilized with HQ) 3-bromo-2-methylpropylene 1458-98-6 H2CCCH3CH2Br CH2CCH3CH2Br HALOGEN Alkenyl Building Blocks Halogenated Hydrocarbons Organic Building Blocks Halides Aliphatics Pharmaceutical intermdiate