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4897-25-0

Name 5-Chloro-1-methyl-4-nitroimidazole
CAS 4897-25-0
EINECS(EC#) 225-521-2
Molecular Formula C4H4ClN3O2
MDL Number MFCD00233664
Molecular Weight 161.55
MOL File 4897-25-0.mol
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Chemical Properties

Appearance White Solid
Melting point  148-150 °C(lit.)
Boiling point  362.3±22.0 °C(Predicted)
density  1.9518 (rough estimate)
refractive index  1.5500 (estimate)
storage temp.  Refrigerator
solubility  Chloroform (Slightly), Methanol (Slightly)
form  Powder
pka -1.37±0.61(Predicted)
color  White
Contact allergens
This intermediate in azathioprine synthesis is also present in the end product. It induced contact dermatitis in a man working on azathioprine synthesis. Cross-reactivity is possible with imidazoles tioconazole and econazole.
InChIKey OSJUNMSWBBOTQU-UHFFFAOYSA-N
CAS DataBase Reference 4897-25-0(CAS DataBase Reference)
NIST Chemistry Reference 1H-imidazole, 5-chloro-1-methyl-4-nitro-(4897-25-0)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  3
RTECS  NI4397100
HazardClass  IRRITANT
HS Code  29332900

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