Home Categories Chemical Reagents 2,5-Dihydroxybenzoicacid
A7040158

2,5-Dihydroxybenzoicacid , 10mMinDMSO , 490-79-9

Synonym(s):
2,5-DHBA;DHB;Gentisic acid;Hydroquinonecarboxylic acid;Mesalazine EP Impurity G

CAS NO.:490-79-9

Empirical Formula: C7H6O4

Molecular Weight: 154.12

MDL number: MFCD00002460

EINECS: 207-718-5

Pack Size Price Stock Quantity
1ml RMB559.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 204-208 °C(lit.)
Boiling point: 237.46°C (rough estimate)
Density  1.3725 (rough estimate)
refractive index  1.6400 (estimate)
storage temp.  Store below +30°C.
solubility  It is soluble in alcohol and ether.
pka 2.97(at 25℃)
form  Crystalline Powder
color  White to light beige
PH 3.21(1 mM solution);2.56(10 mM solution);2.01(100 mM solution)
Water Solubility  soluble
Merck  14,4398
BRN  2209119
InChIKey WXTMDXOMEHJXQO-UHFFFAOYSA-N
LogP 1.740
CAS DataBase Reference 490-79-9(CAS DataBase Reference)
NIST Chemistry Reference 2,5-Dihydroxybenzoic acid(490-79-9)
EPA Substance Registry System Benzoic acid, 2,5-dihydroxy- (490-79-9)

Description and Uses

Gentisic acid is a dihydroxy benzoic acid. It is a derivative of benzoic acid and a minor (1 %) product of the metabolic break down of aspirin, excreted by the kidneys.
It is also found in the African tree Alchornea cordifolia and in wine.

Medicine, as sodium gentisate (analgesic).

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
RTECS  LY3850000
Hazard Note  Harmful
TSCA  Yes
HS Code  29182990

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