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ChemicalBook >> CAS DataBase List >> 3-Methyl-3-butenyl bromide

3-Methyl-3-butenyl bromide

3-Methyl-3-butenyl bromide price.
  • $22 - $3698
  • Product name: 3-Methyl-3-butenyl bromide
  • CAS: 20038-12-4
  • MF: C5H9Br
  • MW: 149.03
  • EINECS:
  • MDL Number:MFCD11848510
  • Synonyms:1-Bromo-3-methyl-3-butene;2-Methyl-4-bromo-1-butene;3-Methyl-3-butenyl bromide;4-Bromo-2-methyl-1-butene;1-Butene, 4-bromo-2-methyl-;20038-12-4 3-Methyl-3-butenyl bromide
Price31 Properties Safety Information Description
31 prices
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Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • American Custom Chemicals Corporation
  • Biosynth
  • Chemenu
  • J&W Pharmlab
  • Labseeker
  • TRC
Package
  • 250mg
  • 500mg
  • 1g
  • 2g
  • 5G
  • 10g
  • 25G
  • 100g
  • Manufactureraablocks
  • Product numberAA002CNF
  • Product description4-Bromo-2-methylbut-1-ene 98%
  • Packaging250mg
  • Price$22
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002CNF
  • Product description4-Bromo-2-methylbut-1-ene 98%
  • Packaging1g
  • Price$36
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002CNF
  • Product description4-Bromo-2-methylbut-1-ene 98%
  • Packaging10g
  • Price$129
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002CNF
  • Product description4-Bromo-2-methylbut-1-ene 96%
  • Packaging100g
  • Price$940
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX186153
  • Product description4-bromo-2-methylbut-1-ene 95%
  • Packaging25G
  • Price$860
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX186153
  • Product description4-bromo-2-methylbut-1-ene 95%
  • Packaging100G
  • Price$2580
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX186153
  • Product description4-bromo-2-methylbut-1-ene 95%
  • Packaging5G
  • Price$255
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product numberZ4377
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging2g
  • Price$407
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberHCH0044058
  • Product description4-BROMO-2-METHYLBUT-1-ENE 95.00%
  • Packaging1G
  • Price$924
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging25g
  • Price$1103.25
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging10g
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging1g
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging2g
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging5g
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging250mg
  • Price$52.5
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB141959
  • Product description4-Bromo-2-methylbut-1-ene
  • Packaging500mg
  • Price$90
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002CNF 4-Bromo-2-methylbut-1-ene 98% 250mg $22 2026-05-28 Buy
aablocks AA002CNF 4-Bromo-2-methylbut-1-ene 98% 1g $36 2026-05-28 Buy
aablocks AA002CNF 4-Bromo-2-methylbut-1-ene 98% 10g $129 2026-05-28 Buy
aablocks AA002CNF 4-Bromo-2-methylbut-1-ene 96% 100g $940 2026-05-28 Buy
ACHEMBLOCK X186153 4-bromo-2-methylbut-1-ene 95% 25G $860 2026-05-27 Buy
ACHEMBLOCK X186153 4-bromo-2-methylbut-1-ene 95% 100G $2580 2026-05-27 Buy
ACHEMBLOCK X186153 4-bromo-2-methylbut-1-ene 95% 5G $255 2026-05-27 Buy
AK Scientific Z4377 4-Bromo-2-methylbut-1-ene 2g $407 2021-12-16 Buy
American Custom Chemicals Corporation HCH0044058 4-BROMO-2-METHYLBUT-1-ENE 95.00% 1G $924 2021-12-16 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 25g $1103.25 2026-06-04 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 10g $900 2026-06-04 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 1g $900 2026-06-04 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 2g $900 2026-06-04 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 5g $900 2026-06-04 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 250mg $52.5 2021-12-16 Buy
Biosynth FB141959 4-Bromo-2-methylbut-1-ene 500mg $90 2021-12-16 Buy
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Properties

Melting point :-106.7°C (estimate)
Boiling point :125℃
Density :1.250
refractive index :1.4600
Flash point :26℃
storage temp. :2-8°C
solubility :Acetone (Slightly), Chloroform, Ethyl Acetate (Slightly), Methanol (Slightly)
form :Oil
color :Colourless to Light Yellow
InChI :InChI=1S/C5H9Br/c1-5(2)3-4-6/h1,3-4H2,2H3
InChIKey :IZMWJUPSQXIVDN-UHFFFAOYSA-N
SMILES :C=C(C)CCBr

Safety Information

Symbol(GHS): Corrosion (GHS05)Skull and Crossbones (GHS06)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, P322, P361, P363, P405, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P350 IF ON SKIN: Gently wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P310 Immediately call a POISON CENTER or doctor/physician.

Description

4-Bromo-2-methyl-1-butene is an substituent in the synthesis of Ryanodol, a potent modulator of the calcium release channels.

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Suppliers and manufacturers

Tianjin Derchemist Science & Technology Co., Ltd. Shijiazhuang Sdyano Fine Chemical Co., Ltd. Letopharm Limited Bide Pharmatech Ltd. Tianjin Anhao Biological Technology Co., Ltd. Shanghai HuanChuan Industry Co.,Ltd. Struchem Co., Ltd. Lanzhou Angeli Biochemical Technology Co., Ltd. Shanghai YuanYe Biotechnology Co., Ltd. Amadis Chemical Company Limited