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Refined Bon Acid (99% Min.)


CAS NO.

92-70-6

Chemical formula
Molecular Formula C11H8O5
Chemical Name

3-Hydroxy-2-naphthoic acid

Other Name

Bon 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.

Specification

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

 

Refined Grade

Low insolubles Grade

Appearance

light yellow powder

light yellow powder

Purity

≥99

≥98.5

1,2 acid

≤0.25

≤0.3

Beta-Naphthol

≤0.2

≤0.3

Water%

≤0.15

≤0.2

Ash

≤0.3

≤0.2

Initial melting point

≥218℃

≥217℃

Insolubles in NaOH

≤0.1

≤0.001(>45um)

Test of solution in alcohol

clarity

clarity

Uses

The product is applied in producing color naphthol as and other kinds intermediates of color naphthol. Moreover, it is intermediates of medicine and organic pigment.

Packing

In 25kgs woven polypropylene bag, lined with polyethylene bag.

Storage

Stored at the place where is cool, dry and ventilating.


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