3,4-Dihydroxybenzoic Acid CAS 99-50-3 Pharmaceutical Intermediates

Product Description:

Product Name: 3,4-Dihydroxybenzoic acid CAS NO: 99-50-3

Synonyms:

4-Carboxy-1,2-dihydroxybenzene;

protocatechuate;

Benzoic acid,3,4-dihydroxy;

Chemical & Physical Properties:

Appearance: White to light yellow crystal powder

Assay :≥99.00%

Density: 1.559 g/cm3

Boiling Point: 410.7℃ at 760 mmHg

Melting Point: 198-202℃

Water Solubility: Soluble in hot alcohol and e-ther. Slightly soluble in water.

Sensitive: Air Sensitive

Stability: Stable. Incompatible with strong oxidizing agents, strong bases.

Storage Condition: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Information:

RTECS: UL0560000

Safety Statements: S26-S37/39

HS Code: 2918290000

WGK Germany: 3

Risk Statements: R36/37/38

Hazard Code: Xi

Hazard Declaration: H315; H319; H335

Signal Word: Warning

Symbol: GHS07

Caution Statements: P261; P305 + P351 + P338

Protocatechuic acid (PCA) is a dihydroxybenzoic acid, a type of phenolic acid. It is a major metabolite of antioxidant polyphenols found in green tea. It has mixed effects on normal and cancer cells in in vitro and in vivo studies.

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