2.5-Dihydroxybenzoic acid

Catalog	BBC490799
CAS	490-79-9
Structure
Synonyms	5-Hydroxysalicylic acid
IUPAC Name	2,5-Dihydroxybenzoic acid
Molecular Weight	154.12
Molecular Formula	C7H6O4
Canonical SMILES	C1=CC(=C(C=C1O)C(=O)O)O
InChI	InChI=1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI Key	WXTMDXOMEHJXQO-UHFFFAOYSA-N
Melting Point	204-208 °C (lit.)
Purity	98%
Density	1.37 g/ml
Appearance	White to off-white solid
pH	3.21 (1 mM solution)
pKa	2.97
Solubility in Water	Soluble