Methylimidazole

Description

2-Methylimidazole · CAS 693-98-1 · C4H6N2. UNII T0049Z45LZ. Boiling Point: 267 °C; Melting Point: 144 °C; Vapor Pressure: 0.01 [mmHg].

Identification

CAS Registry Number	693-98-1
PubChem CID	12749
Molecular formula	C4H6N2
IUPAC name	2-methyl-1H-imidazole
UNII (FDA)	T0049Z45LZ

Computed Descriptors

Molecular Weight	82.10
XLogP3	0.2
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	82.053098200
Monoisotopic Mass	82.053098200
Topological Polar Surface Area	28.7
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	267 °C
Melting Point	144 °C
Vapor Pressure	0.01 [mmHg]
LogP	log Kow = 0.24
LogP	0.24

Physical description & handling notes

• Other Solid; Dry Powder; Large Crystals; Liquid
• Solid; [HSDB] Colorless solid; [NTP] Crystalline solid; [Alfa Aesar MSDS]
• Solid
• Very soluble in ethanol
• pKa = 7.86 (conjugate acid)
• 112.8 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID4022107]

Regulatory Status

GHS notification summary	8.4% (64 / 758)

GHS Hazard Classification

GHS notification summary	8.4% (64 / 758)
Reported hazard statements	H302 (81.9%), H314 (87.3%), H318 (31.3%), H351 (26.9%), H360 (21.1%), H341, H371, H373

Documented Uses

• Semiconductor Manufacturing [Category: Industry]
• Working with Glues and Adhesives [Category: Other]
• Plastic Composites Manufacturing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Dyeing auxiliary for acrylic fibers, plastic foams
• Used in the manufacture of pharmaceuticals, photographic and photothermographic chemicals, dyes, pigments, agricultural chemicals and rubber; Used in epoxy resin systems for semiconductor potting compounds and soldering masks; Component of polymers including epoxy resin pastes, acrylic rubber-fluororubber

Synonyms

2-METHYLIMIDAZOLE; 693-98-1; 2-Methyl-1H-imidazole; 1H-Imidazole, 2-methyl-; DTXSID4022107; T0049Z45LZ; CUREZOL-2MZ-P; IMICURE-AMI 2; EPICURE-MI 2; EPIKURE-MI 2; NSC-21394; DTXCID202107; RefChem:88340; 211-765-7; Imidazole, 2-methyl-; 2-Methylglyoxaline

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Methylimidazole?

CAS 693-98-1; molecular formula C4H6N2; molecular weight — g/mol.

What other names is 2-Methylimidazole known by?

2-METHYLIMIDAZOLE, 693-98-1, 2-Methyl-1H-imidazole, 1H-Imidazole, 2-methyl-, DTXSID4022107, T0049Z45LZ.

Is 2-Methylimidazole classified as hazardous?

8.4% of GHS notifications report no hazard classification (64 of 758).

What are the key physical properties of 2-Methylimidazole?

Boiling Point: 267 °C; Melting Point: 144 °C; Vapor Pressure: 0.01 [mmHg]; LogP: log Kow = 0.24.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.