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3,4-dihydroxybenzoic acid

CAS No.: 99-50-3      Formula: C7H6O4

Weight: 154.12000

Synonyms: 4-Carboxy-1,2-dihydroxybenzene; protocatechuate; Benzoic acid,3,4-dihydroxy; protocatechuic acid; 3,4-dihydroxy-benzoic acid;


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Description

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.

Basic Information
CAS No.:
99-50-3
Synonyms:
4-Carboxy-1,2-dihydroxybenzene; protocatechuate; Benzoic acid,3,4-dihydroxy; protocatechuic acid; 3,4-dihydroxy-benzoic acid;
Formula:
C7H6O4
Molecular Weight:
154.12000
PSA:
77.76000
LogP:
0.79600
Properties
Appearance & Character:
Beige to brown
Density:
1.559 g/cm³
Melting Point:
197-200 °C (dec.)(lit.)
Boiling Point:
410.7ºC at 760 mmHg
Flash Point:
Storage Conditions:
Store below +30°C.
Safety Info
Signal Word:
Warning
Customs Code:
29182990
WGK Germany:
3
Hazard Category Code:
36/37/38
Security Instructions:
26-36-37/39
Dangerous Goods Sign:
Xi