Chemical Name: 2-Hydroxy-3-Naphthalene Carboxylic acid

Other Name: 3-Hydroxy-2-Naphthalene Carboxylic acid

Physical and Chemical Properties: Light yellow powder. Melting range 217-223. Easily soluble in alcohol, ether. Soluble in benzene, alkali solution. Slightly soluble in water.

Specifications: Use HG/T2745-96 as a standard for judging product.

Appearance:light yellow powder.

Purity :98.5%

1,2 acid :0.5%

Beta-Naphthol :0.5%

Water%:0.3

Ash%:0.5

Initial melting Point:217

Insolubles in NaOH:0.2%