Imidazole
SIAL/RDD044 - ReagentPlus®, 99%, Redi-Dri™, free-flowing
Synonym: 1,3-
CAS Number: 288-32-4
Empirical Formula (Hill Notation): C3H4N2
Molecular Weight: 68.08
MDL Number: MFCD00005183
Linear Formula: C3H4N2
Product Type: Chemical
assay | 99% |
bp | 256 °C (lit.) |
form | powder |
InChI | 1S/C3H4N2/c1-2-5-3-4-1/h1 |
InChI key | RAXXELZNTBOGNW-UHFFFAOYSA |
mp | 85-92 °C |
88-91 °C (lit.) | |
pH | 9-11 at 100 g/L (23 °C) |
pKa (25 °C) | 6.95 |
product line | ReagentPlus® |
Redi-Dri™ | |
quality | free-flowing |
Quality Level | 100 ![]() |
SMILES string | c1c[nH]cn1 |
vapor pressure | <1 mmHg ( 20 °C) |
Application: | Excellent for buffers in the range of pH 6.2-7.8 |
Legal Information: | ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC |
Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H302 - H314 - H360D |
Precautionary statements | P201 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338 + P310 - P308 + P313 |
WGK Germany | WGK 2 |
Flash Point(F) | 293.0 °F - closed cup |
Flash Point(C) | 145 °C - closed cup |
Purity | 99% |
bp | 256 °C (lit.) |
mp | 85-92 °C; 88-91 °C (lit.) |
UNSPSC | 12352200 |