Synonyms:

5-NITRO-3,4-DIHYDROXYBENZALDEHYDE;3,4-Dihydroxy-5-Nitro Benzyaldehyde;Entacapone Impurity 3（Entacapone EP Impurity C）;4-Dihydroxy-5-nitrobenzaldehyde;Entacapone EP IMpurity C;Entacapone Impurity 19(Entacapone EP Impurity C);3,4-dihydroxy-5-nitro-benzaldehyd;3,4-DIHYDROXY-5-NITROBENZALDEHYDE

Canonical SMILES: C1=C(C=C(C(=C1[N+](=O)[O-])O)O)C=O

Density:1.667±0.06g/cm3(Predicted)

Boiling Point:310.9±42.0°C(Predicted)

Melting Point: 147°C

PKA: 4.78±0.38(Predicted)

Hazard Codes: T

Risk Statements:  25-36-43

Safety Statements: 26-36/37-45