NAPHTHOL AS-G

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CAS:	91-96-3
Price	Negotiable
Min. Order:
Total Quantity:
Delivery:	3 days after payment
Valid until:	Never
Updated on:	2013-07-01
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Company Details

NANTONG ACETIC ACID CHEMICAL.CO.,LTD.
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Description

Product name:

NAPHTHOL AS-G

Product Category:

DYESTUFF&PIGMENT INTERMEDIATES

Cas No.:

91-96-3

EINECS NO：

202-111-1

Formula:

C₂₂H₂₄N₂O

Structure Formula:

M.W.：

380.42

Characters

Slightly beige white powder, soluble in ethanol and benzene, insoluble in water, soluble in sulfuric acid and caustic soda solution and appeared colorless. Melting point: 204- 205 ℃.

Uses:

It is main used for dyeing and printing of cotton fabric and used as a fast fight background pigment and organic pigment intermediates.

Standard:

Specifications

ITEM	INDEX
	First-class product	Quality product
Appearance	Beige to off-white powder
Naphthol AS-G Assay (mass fraction)/% ≥	98.0	97.0
In the cotton fiber base with the large red G diazonium salt coupling generated by the Shade	Consistent with the standard approximation
In the cotton fiber base with the large red G generated by diazonium salt coupling strength of	As the standard of 100
Alkali-insoluble Assay (mass fraction)/% ≤	0.5