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Add:East Xinli village Huanghua City Hebei Province
P.C.:061100
Tel:+86-317-5335736
Fax:+86-317-5336272
Mobile:+86-13832720927
E_mail:czht@cangzhouchem.com
URL:www.cangzhouchem.com

Products
2-hydroxy-3-naphthoic acid

Molecular formula: CHO

Molecular weight: 188.2

Uses: intermediate used to produce Naphthol AS and other Naphthols, also intermediate of pharmaceutical and organic pigment.

Specifications:

Items
Excellent grade
First grade
Appearance
Pale yellow powder
Pale yellow powder
Assay% ≥
99
98.5
Melting point of dry product ºC ≥
218 ºC
217.5 ºC
Insoluble in sodium bicarbonate% ≤
0.05
0.1
Moisture % ≤
0.1
0.15
2.6 acid% ≤
0.09
0.1
2.3.6 acid% ≤
0.08
0.1
2-naphthol% ≤
0.4
0.5

Packing: plastic lined woven bag, 25kg each.

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