Synonyms:

O-PYROCATECHUIC ACID;PYROCATECHOL-3-CARBOXYLIC ACID;2,3 DHB;2,3-dihydroxy-benzoicaci;2-pyrocatechuicacid;3-Hydroxysalicylic acid;Catechol-o-carboxylic acid;Pyrocatechol-o-carboxylic acid

Canonical SMILES: C1=CC(=C(C(=C1)O)O)C(=O)O

HS Code: 29182900

Density:1,542g/cm3

Boiling Point:95-96/0.5mm

Refractive Index:1.6400(estimate)

Melting Point: 204-206 °C(lit.)

Storage: 2-8°C

PKA: pK1:2.98;pK2:10.14(30°C)

Appearance: CrystallinePowder

Hazard Codes: Xi

Risk Statements:  36/37/38

Safety Statements: 26-36-37/39

WGK Germany: 2