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1-Butyl-3-methylimidazolium Bromide

Also known as: [Bmim]Br, 1-Butyl-3-methyl-1H-imidazolium bromide, 1-n-Butyl-3-methylimidazolium bromide, 1-Methyl-3-butylimidazolium bromide, 3-Butyl-1-methylimidazolium bromide, 1H-Imidazolium, 1-butyl-3-methyl-, bromide (1:1), 1H-Imidazolium, 3-butyl-1-methyl-, bromide (1:1), 3-Butyl-1-methyl-1H-imidazol-3-ium bromide, Bmim bromide, Bmim Br, MFCD03427611, 1-butyl-3-methyl-imidazolium bromide, 1-butyl-3-methylimidazol-3-ium,bromide

1-Butyl-3-methylimidazolium Bromide (CAS 85100-77-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H17BrN2 and a molecular weight of 219.122 g/mol. Key property: a melting point of 65-75°C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
85100-77-2
Jingsj CID
J-1101777-9
Molecular Formula
C8H17BrN2
Molecular Weight
219.122 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026
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Physicochemical Properties

Melting Point65-75°C
Exact Mass218.041855
PSA8.81000

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-Butyl-3-methylimidazolium Bromide?

The CAS number of 1-Butyl-3-methylimidazolium Bromide is 85100-77-2.

What are the molecular formula and molecular weight of 1-Butyl-3-methylimidazolium Bromide?

1-Butyl-3-methylimidazolium Bromide has molecular formula C8H17BrN2 and molecular weight 219.122 g/mol.

What are the upstream and downstream products of 1-Butyl-3-methylimidazolium Bromide?

For 1-Butyl-3-methylimidazolium Bromide, Upstream Products: 1-butyl-1H-imidazole, Methyl bromide, 1-methylimidazole; Downstream Products: 1-Butyl-3-methylimidazolium methanesulfonate, 1-Butyl-3-methylimidazolium dicyanamide, 1-Butyl-3-methylimidazolium hexafluorophosphate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Butyl-3-methylimidazolium Bromide (CAS 85100-77-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101777-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.