8.03245

1,2-Dimethylimidazole

for synthesis

• Synonym(s): 1,2-Dimethylimidazole
• Empirical Formula (Hill Notation): C₅H₈N₂
• CAS Number: 1739-84-0
• Molecular Weight: 96.13
• MDL number: MFCD00005294
• UNSPSC Code: 12352005
• EC Index Number: 217-101-2
• NACRES: NA.22

Properties

• vapor pressure: 1 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥98.0% (GC)
• form: solid
• autoignition temp.: 480 °C
• potency: 1300 mg/kg LD₅₀, oral (Rat)
• pH: 12.6 (20 °C, 500 g/L in H₂O)
• bp: 205 °C/1013 hPa
• mp: 30-40 °C
• transition temp: flash point 93 °C
• density: 0.99 g/cm³ at 40 °C
• storage temp.: 2-30°C
• InChI: 1S/C5H8N2/c1-5-6-3-4-7(5)2/h3-4H,1-2H3
• InChI key: GIWQSPITLQVMSG-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 30 °C
Melting range (upper value): ≤ 40 °C
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302,H314
• pcodes: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 199.4 °F
• flash_point_c: 93 °C