Agent Name

Butylmethylimidazolium chloride

CAS Number

79917-90-1

Formula

C8-H15-N2.Cl

Major Category

Nitrogen Compounds

Synonyms

(BMIM)Cl; 1-n-Butyl-3-methylimidazolium chloride; 1H-Imidazolium, 3-butyl-1-methyl-, chloride (1:1); 3-Butyl-1-methylimidazolium chloride; Basionic ST-70; [ChemIDplus] 1-Butyl-3-methylimidazolium chloride; [ToxPlanet: Shepard's Catalog of Teratogenic Agents] 1-Butyl-3-methyl-1H-imidazolium chloride; BMIM Cl; [ToxPlanet: EPA - TSCATS] 1-Methyl-3-butylimidazolium chloride; 1H-Imidazolium, 1-butyl-3-methyl-, chloride (9Cl); [NTP] UN2811

Category

Imidazoles

Description

Slightly yellow solid; [Merck Index] Colorless or yellowish solid with a solvent odor; [NTP] Light yellow hygroscopic solid; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a solvent for organic reactions; [Merck Index] Used in anion exchange reactions, as a catalyst or catalyst component, solvent, electrolyte (batteries and metal recovery), in other electrochemical processes, and in chromatographic separations; [NTP]

Comments

Teratogenicity observed in mice orally administered 225 mg/kg/day during organogenesis (maternally toxic); [ToxPlanet: Shepard's Catalog of Teratogenic Agents] A modified local lymph node assay (LLNA) of mice could not be completed due to high dermal toxicity, causing mortality at 60% (approximately 1,570 mg/kg) and 30% (approximately 815 mg/kg) concentrations; Oral LD50 (rat) = 300-500 mg/kg; [ToxPlanet: EPA - TSCATS] A skin, eye, and respiratory tract irritant; [NTP] A skin and strong eye irritant; Toxic by ingestion; [Sigma-Aldrich MSDS] See "1-Methylimidazole."

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Toxic solid, organic, n.o.s."

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: