ChemicalBook > CAS DataBase List > 1-Butyl-3-methylimidazolium bromide

1-Butyl-3-methylimidazolium bromide

Product Name: 1-Butyl-3-methylimidazolium bromide
CAS No.: 85100-77-2
Chemical Name: 1-Butyl-3-methylimidazolium bromide
Synonyms: BMIMBR;1-N-BUTYL-3-METHYLIMIDAZOLIUM BROMIDE;3-Butyl-1-Methyl-1H-iMidazol-3-iuM broMide;1-but;SKL1508;1-Butyl-3-methyl-2H-imidazole;1-Butyl-3-methylimidazole bromide;1-BUTYL-3-METHYLIMIDAZOLIUM BROMIDE;1-Butyl-3-methyl-1H-imidazolium bromide;1-Butyl-3-methylimidazolium Bromide >
CBNumber: CB4490490
Molecular Formula: C8H15BrN2
Formula Weight: 219.12
MOL File: 85100-77-2.mol

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1-Butyl-3-methylimidazolium bromide Property

Melting point:: 65-75°C
Density: 1.30 g/cm3(Temp: 25.1 °C)
storage temp.: Store below +30°C.
form: powder to lump
color: White to Orange to Green
Water Solubility: Miscible in water, methanol and dichloromethane. Immiscible in acetone, toluene, ethyl acetate and diethyl ether.
Sensitive: Hygroscopic
InChI: InChI=1S/C8H15N2.BrH/c1-3-4-5-10-7-6-9(2)8-10;/h6-8H,3-5H2,1-2H3;1H/q+1;/p-1
InChIKey: KYCQOKLOSUBEJK-UHFFFAOYSA-M
SMILES: N1(CCCC)C=C[N+](C)=C1.[Br-]
CAS DataBase Reference: 85100-77-2(CAS DataBase Reference)

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Safety

Hazard Codes: Xn
Risk Statements: 36/37/38-22
Safety Statements: 37/39-26-24/25
WGK Germany: 3
F: 10-21
HS Code: 29339900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 95137
Product name: 1-Butyl-3-methylimidazolium bromide
Purity: >97.0% (HPLC)
Packaging: 5G
Price: $56.43
Updated: 2025/07/31

Sigma-Aldrich

Product number: 95137
Product name: 1-Butyl-3-methylimidazolium bromide
Purity: >97.0% (HPLC)
Packaging: 50G
Price: $146
Updated: 2025/07/31

Sigma-Aldrich

Product number: 64133
Product name: 1-Butyl-3-methylimidazolium bromide
Purity: dry, ≥98.5% (HPLC)
Packaging: 5g
Price: $202
Updated: 2025/07/31

Sigma-Aldrich

Product number: 64133
Product name: 1-Butyl-3-methylimidazolium bromide
Purity: dry, ≥98.5% (HPLC)
Packaging: 25g
Price: $602
Updated: 2025/07/31

Sigma-Aldrich

Product number: 4.90087
Product name: 1-Butyl-3-methylimidazolium bromide
Purity: for synthesis
Packaging: 25g
Price: $71.6
Updated: 2022/05/15

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1-Butyl-3-methylimidazolium bromide Chemical Properties,Usage,Production

Chemical Properties

White crystals

Uses

It is an ionic liquid used in a Heck reaction. It is also used in assessing the factors responsible for ionic liquid toxicity to aquatic organisms via quantitative structure-property relationship modeling

Preparation

Preparation of 1-butyl-3-methylimidazolium bromide: A three-necked 50 mL round bottom flask was charged with N-methylimidazole (0.10 mol) followed by dropwise addition of 1-bromobutane (0.11 mol) at 70 ℃. After the addition was completed, the resulting mixture was stirred at 140 ℃ for 1.5 h. The combined organic layer was washed three times by ethyl acetate and vacuum-dried overnight at 70 ℃.

General Description

1-Butyl-3-methylimidazolium bromide is a neutral ionic liquid.

Synthesis

4316-42-1

74-83-9

85100-77-2

The general procedure for the synthesis of 1-butyl-3-methylimidazole bromide salts from N-butylimidazole and methyl bromide is as follows: all ligands (except 3) were synthesized by improving the method of Starikova et al [20]. The typical and general synthesis procedure is as follows: N-monosubstituted imidazole (0.1 mmol) was placed in a two-necked flask with anhydrous toluene and stirred until a homogeneous solution was formed. Subsequently, alkyl halides (0.3 mmol) were added slowly and dropwise under continuous stirring. After addition of the alkyl halide, the mixture was heated at 40°C for 24 hours with stirring. Upon completion of the reaction, the solvent was removed and the resulting ligand was dried under vacuum.2.2.3 1-Methyl-3-butylimidazolium bromide (4) as a colorless oil in a yield of 1.98 g (91% yield).IR (ATR, cm^-1 ): 3077, 2959, 1626, 1570, 1463, 1166, 1109, 752, 619, 460; ^1H NMR (400 MHz, CDCl3): δ 0.74 (3H, t, J=7.4 Hz, CH3), 1.18 (2H, m, CH2), 1.70 (2H, m, CH2), 3.92 (3H, s, NCH3), 4.14 (2H, t, J=6.7 Hz, NCH2), 7.42 (1H, s, NCH). 7.53 (1H, s, NCH), 10.03 ppm (1H, s, CH); ^13C NMR (100 MHz, CDCl3): δ 13.41 (CH3), 19.37 (CH2), 32.11 (CH2), 36.65 (NCH3), 49.72 (NCH2), 122.29, 123.83, 136.99 ppm; m/z (ESI) 139.4 (M^+ -Br^-); HRMS (ESI) calculated value C8H11BrN2, 139.12352 (M^+ -Br^-); measured value, 139.12327 (M^+ -Br^-).

References

[1] Journal of Molecular Catalysis A: Chemical, 2014, vol. 385, p. 98 - 105
[2] Chemical Communications, 2004, # 5, p. 590 - 591

1-Butyl-3-methylimidazolium bromide Preparation Products And Raw materials

Raw materials

1-Methylimidazole 1-Bromobutane Toluene

Preparation Products

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1-Butyl-3-methylimidazolium bromide Suppliers

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View Lastest Price from 1-Butyl-3-methylimidazolium bromide manufacturers

Henan Aochuang Chemical Co.,Ltd.

Product: 1-Butyl-3-methylimidazolium bromide 85100-77-2
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1ton
Release date: 2022-09-23

Hebei Chuanghai Biotechnology Co,.LTD

Product: 1-Butyl-3-methylimidazolium Bromide 85100-77-2
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-23

Zibo Hangyu Biotechnology Development Co., Ltd

Product: 1-Butyl-3-methylimidazolium bromide 85100-77-2
Price: US $90.00-900.00/kg
Min. Order: 10kg
Purity: 0.99
Supply Ability: 20tons
Release date: 2023-10-31

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1-Butyl-3-methylimidazolium bromide≥ 99%(HPLC)

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1-BUTYL-3-METHYLIMIDAZOLIUM BROMIDE

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1-Butyl-3-methylimidazolium bromide ,99%

1-butyl-3-Methyl-1H-iMidazol-3-iuM broMide

1-Butyl-3-methylimidazolium Bromide &gt

SKL1508

1-Butyl-3-methylimidazolium bromide, ≥98.5% (HPLC)

1-Butyl-3-methylimidazolium bromide, ≥97% (HPLC)

1-Butyl-3-methyl-2H-imidazole

1-Butyl-3-methylimidazolium bromide [BMIm]Br

1-Butyl-3-methylimidazole bromide

1-Butyl-3-methyl-imidazol-3-ium bromide

85100-77-2

C8H15N2Br

C8H15BrN2

Imidazolium

Imidazolium Salts (Ionic Liquids)

Imidazolium Compounds

Ionic Liquids

Imidazolium Compounds

Imidazolium Salts (Ionic Liquids)

Ionic Liquids

Synthetic Organic Chemistry