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Imidazole

CAS Number
288-32-4
EC Number
206-019-2
Chemical Formula
C3H4N2
Molecular Weight
68.08 g/mol

Description

Imidazole (CAS 288-32-4 ) is a five-membered nitrogen-containing heterocycle used across pharmaceutical synthesis, polymer chemistry, and industrial processing. Its primary commercial value lies in its dual function as a synthetic building block and a buffering agent. In pharmaceutical manufacturing, it serves as a key intermediate in the synthesis of antifungal agents, antihistamines, and a broad range of active pharmaceutical ingredients. It is essential for creating molecules containing the imidazole ring structure. Epoxy resin formulators use it as a curing agent and cure accelerator, particularly in electronics-grade laminates and adhesive systems. This allows for controlled crosslinking and improved thermal stability in high-performance materials. In water treatment and industrial processes, it functions as a pH buffer and corrosion inhibitor precursor. These applications rely on its chemical stability and ability to maintain specific environmental conditions during processing. Agricultural chemical producers also incorporate it as an intermediate in the synthesis of imidazole-based fungicides and plant growth regulators. This versatility makes it a staple chemical for large-scale agrochemical manufacturing. The product is supplied as a white crystalline solid or flake. Standard commercial grades include technical grade for industrial applications and high-purity grades meeting USP and Ph. Eur. specifications for pharmaceutical use. Bulk quantities are available in fiber drums or bags, with reagent-grade material offered for laboratory and research procurement. We ensure consistent quality and supply chain reliability for all industrial and life science applications. Contact us for supply of Imidazole Request Quote

Other Names (Synonyms)

pyrro[b]monazole | N,N'-vinyleneformamidine | N,N'-1,2-ethenediylmethanimidamide | miazole | iminazole | glyoxalin | 1,3-diaza-2,4-cyclopentadiene | IMD

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point90.5 °C
Boiling Point256.00 °C
Density1.12 g/cm³
Flash Point293 °F
AppearanceWhite to off white crystals
Colorwhite
OdorAmine like
Formcrystalline
Water Solubility633 g/L (20 ºC)
Vapor Pressure<1 mm Hg ( 20 °C)
Refractive Index1.4801
pH9.5-11.0 (25℃, 50mg/mL in H2O)
Log P-0.02 at 25℃

Safety & Handling

Danger
GHS05· CorrosiveGHS07· IrritantGHS08· Health Hazard

Hazard Statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H319Causes serious eye irritation
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H371May cause damage to organs

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P318IF exposed or concerned, get medical advice.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29332900
UN Number2923
ADR Class8
Packing GroupIII
Storage Class6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany)1