1336500

Imidazole

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
• Empirical Formula (Hill Notation): C₃H₄N₂
• CAS Number: 288-32-4
• Molecular Weight: 68.08
• Beilstein: 103853
• MDL number: MFCD00005183
• UNSPSC Code: 41116107
• PubChem Substance ID: 329750151
• NACRES: NA.24

Properties

• grade: pharmaceutical primary standard
• vapor pressure: <1 mmHg ( 20 °C)
• API family: imidazole
• manufacturer/tradename: USP
• pKa (25 °C): 6.95
• bp: 256 °C (lit.)
• mp: 88-91 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• SMILES string: c1c[nH]cn1
• InChI: 1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
• InChI key: RAXXELZNTBOGNW-UHFFFAOYSA-N

Description

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.

Application

Imidazole USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Clotrimazole
• Clotrimazole Topical Solution
• Perindopril Erbumine
• Moexipril Hydrochloride
• Clotrimazole Vaginal Inserts
• Sildenafil Citrate
• Clotrimazole Lozenges

Excellent for buffers in the range of pH 6.2-7.8

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.  ​

Other Notes

Sales restrictions may apply.

Safety Information

• Pictograms: GHS08,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302,H314,H360D
• Precautionary Statements: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
• Storage Class Code: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 2
• Flash Point(F): 293.0 °F - closed cup
• Flash Point(C): 145 °C - closed cup