Pyrrole-2-carboxylic acid Structure

Pyrrole-2-carboxylic acid

Chemical Properties

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
InChI InChI=1S/C5H5NO2/c7-5(8)4-2-1-3-6-4/h1-3,6H,(H,7,8)
InChIKey WRHZVMBBRYBTKZ-UHFFFAOYSA-N
SMILES N1C=CC=C1C(O)=O
CAS DataBase Reference 634-97-9(CAS DataBase Reference)
FDA UNII 2NNB85QQT9
NIST Chemistry Reference Pyrrole-2-carboxylic acid(634-97-9)
UNSPSC Code 12352100
NACRES NA.22

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
Hazard Note  Irritant
HS Code  29339900
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704:
1
2 0

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Pyrrole-2-carboxylic acid Chemical Properties,Usage,Production

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