Molecular Formula | C7H6O4 |
Molar Mass | 154.12 |
Density | 1,542 g/cm3 |
Melting Point | 204-206 °C (lit.) |
Boling Point | 95-96/0.5mm |
Flash Point | 187.2°C |
Water Solubility | Soluble in water, methanol and dimethyl sulfoxide. |
Solubility | methanol: soluble 50 mg/mL |
Vapor Presure | 6.85E-06mmHg at 25°C |
Appearance | Beige to brown or pinkish-gray(Crystalline Powder) |
Color | Beige to brown or pinkish-gray |
BRN | 2209117 |
pKa | pK1:2.98;pK2:10.14 (30°C) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.6400 (estimate) |
MDL | MFCD00002446 |
Physical and Chemical Properties | Melting Point: 204-208°C |
Use | Used as a pharmaceutical Intermediate |
In vitro study | Pyrocatechuic acid (2,3-Dihydroxybenzoic acid) is a normal human benzoic acid metabolite found in plasma, and has increased levels after aspirin ingestion. |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | 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 | 2 |
RTECS | DG8576490 |
HS Code | 29182900 |
Hazard Note | Irritant |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Biological activity | 2, 3-Dihydroxybenzic acid (Pyrocatechuic acid, 3-Hydroxybenzic acid, Hypogallic acid) is a natural Phenols exist in the Salvinia molesta of West Indian gooseberries and aquatic ferns, and are also metabolites of aspirin in the human body. It is a potential iron chelating drug with antibacterial properties. |
Use | Used as a pharmaceutical intermediate and chelating agent |