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 Product
 
3-Hydroxy-2-naphthoic acid Product:3-Hydroxy-2-naphthoic acid
CAS Number:92-70-6
Quality Standard:98%25kg/bag
Package Kg/drum:25kg/bag
Place of orgin:CN
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CAS#: [92-70-6]
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% Min.
1,2 acid :0.5% Max.
Beta-Naphthol :0.5% Max.
Water%:0.3 Max.
Ash%:0.5 Max.
Initial melting Point:217 °C
Insolubles in NaOH:0.2% Max.
Uses: The product is applied in producing colour Naphthol as and other kinds intermediates of colour naphthol. Moreover, it is intermediates of medicine and organic pigment.
Storage: Stored at the place where is cool, dry and ventilating.

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