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02739 Supelco

Imidazole

≥95.0% (HPLC), pharmaceutical impurity standard

Synonym: 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline, Ondansetron impurity E (Ph Eur)

  • CAS Number 288-32-4

  • Empirical Formula (Hill Notation) C3H4N2

  • Molecular Weight 68.08

  •  Beilstein/REAXYS Number 103853

  •  EC Number 206-019-2

  •  MDL number MFCD00005183

  •  PubChem Substance ID 329747502

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, Ondansetron hydrochloride Impurities, Pharmaceutical Impurities, Pharmacopeia & Metrological Institutes Standards More...
grade   analytical standard
vapor pressure   <1 mmHg ( 20 °C)
assay   ≥95.0% (HPLC)
shelf life   limited shelf life, expiry date on the label
impurities   ≤10.0% related substances
  ≤5.0% solvents
  ≤5.0% water
pH   9-11 at 100 g/L (23 °C)
pKa (25 °C)   6.95
bp   256 °C (lit.)
mp   88-91 °C (lit.)
Featured Industry   Pharmaceutical (small molecule)
storage temp.   2-8°C
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

Application

Excellent for buffers in the range of pH 6.2-7.8

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3263 8 / PGIII
WGK Germany 
2
RTECS 
NI3325000
Flash Point(F) 
293 °F
Flash Point(C) 
145 °C

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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