CAS No: 99-50-3, Chemical Name: 3,4-Dihydroxybenzoic acid
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99-50-3 3,4-Dihydroxybenzoic acid

product Name 3,4-Dihydroxybenzoic acid
Synonyms Protocatechuic acid; 3,4-Dihydroxy benzoic acid; CATECHOL-4-CARBOXYLIC ACID; 3,4-Dihydroxybenzoic acid N-HYDRATE; 3,4-DIHYDROBENZOIC ACID; AKOS 220-70; RARECHEM AL BO 0347; PROTOCATECHUIC ACID N-HYDRATE; cyclohexa-1,5-diene-1-carboxylic acid; 3,4-dihydroxybenzoate
Molecular Formula C7H5O4
Molecular Weight 153.1127
InChI InChI=1/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)/p-1
CAS Registry Number 99-50-3
EINECS 202-760-0
Molecular Structure 99-50-3 3,4-Dihydroxybenzoic acid
Melting point 198-202℃
Boiling point 410.7°C at 760 mmHg
Flash point 216.3°C
Vapour Pressur 1.75E-07mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S37/39:;