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5334-40-7

Name 4-Nitropyrazole-3-carboxylic acid
CAS 5334-40-7
Molecular Formula C4H3N3O4
MDL Number MFCD00090899
Molecular Weight 157.08
MOL File 5334-40-7.mol
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Chemical Properties

Appearance White to off-white crystalline powder
Melting point  195°C
Boiling point  509.6±35.0 °C(Predicted)
density  1.840±0.06 g/cm3(Predicted)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
pka 1.41±0.35(Predicted)
CAS DataBase Reference 5334-40-7(CAS DataBase Reference)

Safety Data

Hazard Codes  Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany  3
HazardClass  IRRITANT
HS Code  29339900

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