Imidazole, ≥99.5%

Name: Imidazole, ≥99.5%
Brand: Vaqora Chemicals
SKU: VQ-003097

About Imidazole, ≥99.5%

Imidazole is a biological buffer carrying the CAS registry number 288-32-4 at a purity of ≥99.5%. Its molecular formula is C3H4N2 and its molecular weight is 68.08 g/mol. Systematically, it is named 1H-imidazole. It is also known as 1,3-Diaza-2,4-cyclopentadiene or Glyoxaline.

In its supplied form it is white to pale yellow crystalline or flakes or crystals. Literature values give a melting point of 88-91 °C and a density of 1.03 g/cm3 at 20 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span buffer preparation, cell culture and electrophoresis and chromatography. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

We offer Imidazole in 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Buffer preparation
Cell culture
Electrophoresis & chromatography

Industries

Specifications & identifiers

Chemical identifiers
Product name	Imidazole, ≥99.5%
Catalogue No.	VQ-003097
CAS Number	288-32-4
IUPAC name	1H-imidazole
Molecular formula	C₃H₄N₂
Molecular weight	68.08 g/mol
Exact mass	68.0374
Purity / assay	≥99.5%
HSN code	29332990
InChIKey	RAXXELZNTBOGNW-UHFFFAOYSA-N
SMILES	C1=CN=CN1
PubChem CID	795

Physical properties
Physical form	Flakes
Appearance	White to pale yellow crystalline or flakes or crystals
Melting point	88-91 °C
Density	1.03 g/cm3 at 20 °C
LogP (XLogP3)	-0.1
H-bond donors / acceptors	1 / 1
TPSA	28.7 Å²
UN number	UN 3263
Synonyms	1,3-Diaza-2,4-cyclopentadiene, Glyoxaline, Imidazol, 1,3-Diazole, Glyoxalin, Pyrro(b)monazole, Glioksal, Formamidine, N,N'-vinylene-, Pyrro[b]monazole, Methanimidamide, N,N'-1,2-ethenediyl-, N,N'-vinyleneformamidine, N,N'-1,2-ethenediylmethanimidamide

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage

Precautionary statements: P203, P260, P264, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P318, P321, P330, P363, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 288-32-4

Reference Standard

1H -Imidazole

CAS: 288-32-4
Formula: C₃H₄N₂
MW: 68.08 g/mol

VQ-012136

Imidazole, 99%

CAS: 288-32-4
Formula: C₃H₄N₂
MW: 68.08 g/mol

VQ-003094

Molecular Biology

Imidazole, for molecular biology, 99.9%

CAS: 288-32-4
Formula: C₃H₄N₂
MW: 68.08 g/mol

VQ-003095

AR

Imidazole, GR 99%+

CAS: 288-32-4
Formula: C₃H₄N₂
MW: 68.08 g/mol

VQ-003096

Frequently asked questions

What is the CAS number of Imidazole, ≥99.5%?

The CAS Registry Number of Imidazole, ≥99.5% is 288-32-4. It is also known as 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline, Imidazol.

What is the molecular formula and molecular weight of Imidazole, ≥99.5%?

Imidazole, ≥99.5% has the molecular formula C3H4N2 and a molecular weight of 68.08 g/mol. Its IUPAC name is 1H-imidazole.

Which grade and pack sizes of Imidazole, ≥99.5% can I order?

We supply Imidazole, ≥99.5% in (≥99.5%) grade, in 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Imidazole, ≥99.5%?

Yes. Every lot of Imidazole, ≥99.5% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Imidazole, ≥99.5% be shipped internationally?

Yes. Imidazole, ≥99.5% is classified as hazardous (UN 3263), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.