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2,5-Dihydroxybenzoic acid Structure

2,5-Dihydroxybenzoic acid

Chemical 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)
EWG's Food Scores 1
FDA UNII VP36V95O3T
NIST Chemistry Reference 2,5-Dihydroxybenzoic acid(490-79-9)
EPA Substance Registry System Benzoic acid, 2,5-dihydroxy- (490-79-9)

Safety

Symbol(GHS)
Signal wordWarning
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
NFPA 704:
1
2 0

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2,5-Dihydroxybenzoic acid Chemical Properties,Usage,Production

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