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634-97-9

Name Pyrrole-2-carboxylic acid
CAS 634-97-9
EINECS(EC#) 211-221-9
Molecular Formula C5H5NO2
MDL Number MFCD00005219
Molecular Weight 111.1
MOL File 634-97-9.mol
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Chemical Properties

Appearance Light brown powder
Melting point  204-208 °C (dec.) (lit.)
Boiling point  340.3±15.0 °C(Predicted)
density  0.862
refractive index  1.441-1.445
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  Soluble in methanol.
form  Powder
pka 4.45(at 20℃)
color  White to off-white to pale pink
BRN  80825
CAS DataBase Reference 634-97-9(CAS DataBase Reference)
NIST Chemistry Reference Pyrrole-2-carboxylic acid(634-97-9)

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
Hazard Note  Irritant
HS Code  29339900

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