Imidazole
USP/1336500 - United States Pharmacopeia (USP) Reference Standard
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
API family | imidazole |
application(s) | pharmaceutical (small molecule) |
bp | 256 °C (lit.) |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/C3H4N2/c1-2-5-3-4-1/h1 |
InChI key | RAXXELZNTBOGNW-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | 88-91 °C (lit.) |
pKa (25 °C) | 6.95 |
SMILES string | c1c[nH]cn1 |
vapor pressure | <1 mmHg ( 20 °C) |
Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
Application: | Excellent for buffers in the range of pH 6.2-7.8 |
Application: | Imidazole USP reference standard suitable for use in specified USP compendial quality tests and assays. Also used to prepare standard, system suitability, and system suitability stock solution for impurity analysis by using liquid chromatography in conjunction with UV detector in accordance with the given below monographs of United States Pharmacopeia (USP) : • Clotrimazole Topical Solution • Perindopril Erbumine • Moexipril Hydrochloride • Clotrimazole Vaginal Inserts |
General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia ![]() ![]() |
Other Notes: | Sales restrictions may apply. |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H302 - H314 - H360D |
Precautionary statements | P201 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338 - P308 + P313 |
RIDADR | UN 3263 8 / PGIII |
WGK Germany | WGK 2 |
Flash Point(F) | 293.0 °F - closed cup |
Flash Point(C) | 145 °C - closed cup |
bp | 256 °C (lit.) |
mp | 88-91 °C (lit.) |
UNSPSC | 41116107 |