Reported in EPA TSCA Inventory.

The Sodium 2,5-dihydroxybenzoate, with the CAS registry number 4955-90-2, is also known as Resorcyclic acid, alpha-, sodium salt. It belongs to the product categories of Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Aromatics Compounds; Aromatics. Its EINECS registry number is 225-598-2. This chemical's molecular formula is C₇H₅NaO₄ and molecular weight is 176.10. Its IUPAC name is called sodium 2,5-dihydroxybenzoate. This chemical is off-white solid.

Physical properties of Sodium 2,5-dihydroxybenzoate: (1)ACD/LogP: 1.56; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.46; (4)ACD/LogD (pH 7.4): -1.59; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 3; (12)Flash Point: 214 °C; (13)Enthalpy of Vaporization: 69.45 kJ/mol; (14)Boiling Point: 406.9 °C at 760 mmHg; (15)Vapour Pressure: 2.38E-07 mmHg at 25°C.

Uses of Sodium 2,5-dihydroxybenzoate: it can be used to produce 2,5-dihydroxy-benzoic acid benzyl ester by heating. This reaction will need solvent H₂O, acetone with reaction time of 19 hours. The yield is about 38%.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=CC(=C(C=C1O)C(=O)[O-])O.[Na+]
(2)InChI: InChI=1S/C7H6O4.Na/c8-4-1-2-6(9)5(3-4)7(10)11;/h1-3,8-9H,(H,10,11);/q;+1/p-1
(3)InChIKey: MOIJZWWOFOQFMH-UHFFFAOYSA-M

The toxicity data is as follows: