8.14223 EMD Millipore


Imidazole for synthesis. CAS 288-32-4, pH 10.5 (67 g/l, H₂O, 20 °C)., for synthesis

Synonym: Glyoxaline, Iminazole

  • CAS Number 288-32-4

  • Linear Formula C₃H₄N₂

  • Molecular Weight 68.08 g/mol

  •  EC Number 206-019-2



Related Categories Biochemicals and Reagents More...
packaging   25 kg in Fibre carton (8142239025)
  250 g in Plastic bottle (8142230250)
bp   256 °C (1013 hPa)
vapor pressure   0.003 hPa (20 °C)
solubility   633 g/l
density   1.233 g/cm3 (20 °C)
flash point   145 °C
autoignition temp.   480 °C
mp   90 °C
pH   10.5 (67 g/l, H₂O, 20 °C)
bulk density   500 - 600 kg/m3
LD 50 oral   LD50 Rat 970 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Melting range (lower value): ≥ 88 °C
  Melting range (upper value): ≤ 91 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2933 29 90
Hazard Statement(s) 
H360D: May damage the unborn child.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 
P201: Obtain special instructions before use.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 2 water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 3263 , 8, III
Declaration (transport by air) IATA-DGR 
UN 3263 , 8, III
Declaration (transport by sea) IMDG-Code 
UN 3263 , 8, III, Segregation Group: 18 (Alkalis)
Categories of danger 
toxic for reproduction, harmful, corrosive
R Phrase 
R 61-22-34
May cause harm to the unborn child.Also harmful if swallowed.Causes burns.
S Phrase 
S 22-26-36/37/39-45
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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