8.18964

2-Methylimidazole

for synthesis

• Synonym(s): 2-Methylimidazole, 2-Methylglyoxaline
• Empirical Formula (Hill Notation): C₄H₆N₂
• CAS Number: 693-98-1
• Molecular Weight: 82.10
• MDL number: MFCD00005190
• UNSPSC Code: 12352005
• EC Index Number: 211-765-7

Properties

• vapor pressure: <1 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥99.0% (GC)
• form: solid
• autoignition temp.: >600 °C (DIN 51794)
• potency: 1500 mg/kg LD₅₀, oral (Rat)
• pH: 10.5-11.5 (20 °C, 100 g/L in H₂O)
• bp: 270 °C/1013 hPa
• mp: 144-147 °C
• transition temp: flash point 155 °C (DIN 51758)
• bulk density: 550 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C4H6N2/c1-4-5-2-3-6-4/h2-3H,1H3,(H,5,6)
• InChI key: LXBGSDVWAMZHDD-UHFFFAOYSA-N

Description

Application

2-Methylimidazole for synthesis. CAS 693-98-1, pH 10.5 - 11.5 (100 g/l, H₂O, 20 °C).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 142 °C
Melting range (upper value): ≤ 145 °C
Identity (IR): passes test

Safety Information

• pictograms: GHS05,GHS07,GHS08
• signalword: Danger
• hcodes: H302 - H314 - H351 - H360Df
• pcodes: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
• Storage Class: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable