3,4-Dihydroxybenzoic acid , ≥97.0% , 99-50-3

Synonym(s):
3,4-Dihydroxybenzoic acid;Protocatechuic acid

CAS NO.：99-50-3

Empirical Formula: C7H6O4

Molecular Weight: 154.12

MDL number: MFCD00002509

EINECS: 202-760-0

PRODUCT Properties

• Melting point: 197-200 °C (dec.) (lit.)
• Boiling point: 237.46°C (rough estimate)
• Density: 1.54
• refractive index: 1.6400 (estimate)
• FEMA: 4430 | 3,4-DIHYDROXYBENZOIC ACID
• storage temp.: Store below +30°C.
• solubility: 20g/l
• pka: 4.48(at 25℃)
• form: Fine Crystalline Powder
• color: Beige to brown
• PH: 3.78(1 mM solution);3.25(10 mM solution);2.74(100 mM solution)
• Odor: at 100.00 %. mild phenolic balsamic
• Odor Type: phenolic
• Water Solubility: Soluble in hot alcohol and ether. Slightly soluble in water.
• Sensitive: Air Sensitive
• Merck: 14,7894
• BRN: 1448841
• Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
• InChIKey: YQUVCSBJEUQKSH-UHFFFAOYSA-N
• LogP: 1.16
• CAS DataBase Reference: 99-50-3(CAS DataBase Reference)
• EPA Substance Registry System: Protocatechuic acid (99-50-3)

Description and Uses

3,4-Dihydroxybenzoic acid is a metabolite of polyphenols such as phloretin and quercetin. It is also a phenolic acid antioxidant present in fruits, vegetables and nuts. Further, it is found to be an efficacious chemopreventive agent in several carcinogenesis models. In addition to this, it acts as an anti-inflammatory agent.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• 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
• RTECS: UL0560000
• HS Code: 29182990