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.
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
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.
Packing:
In 25kgs woven polypropylene bag, lined with polyethylene bag.
Storage:
Stored at the place where is cool, dry and ventilating.
. Easily soluble in alcohol, ether. Soluble in benzene, alkali solution. Slightly soluble in water.
99
0.25
