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2,3-Pyridinedicarboxylic anhydride Structure

2,3-Pyridinedicarboxylic anhydride

Chemical Properties

Melting point 137-139 °C (lit.)
Boiling point 270.14°C (rough estimate)
Density  1.4974 (rough estimate)
refractive index  1.4835 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
pka -2.24±0.20(Predicted)
form  powder to crystal
color  White to Orange to Green
Water Solubility  Optimal solubility in water.
Sensitive  Moisture Sensitive
BRN  125111
CAS DataBase Reference 699-98-9(CAS DataBase Reference)
FDA UNII 2B2I45ZOD6
NIST Chemistry Reference 2,3-Pyridinedicarboxylic anhydride(699-98-9)
EPA Substance Registry System Furo[3,4-b]pyridine-5,7-dione (699-98-9)

Safety

Symbol(GHS) GHS hazard pictograms
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
F  10-21
TSCA  Yes
HS Code  29333990
NFPA 704:
1
2 0

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