CHANGZHOU HIGHASSAY® CHEMICAL CO., LTD

4-Amino-1-naphthalenesulfonic acid 130-13-2

Item Code:130-13-2 Features:
  • Description

 

Synonyms

Sodium Naphthionate

Structural formula

Molecular weight

245.23

Molecular Formula

C10H8O3NSNa

Descriptions

1-Amino-4-naphthalene sulfonic acid sodium salt is a greyish-white crystal.The sodium salt of industrial products contains two or four crystal water. It changes slowly into a rose colour in air.It is easily soluble in water and soluble in 95% of alcohol.Its chief use is employed in organic pigments or the sythesis of intermediates of azo-dyes.

Specification

Index

High grade

1st grade

Appearance

Grayish white crystal

Purity %min.

75

74

1-Naphthylamine%max.

0.02

0.02

Water insolubles %max.

0.1

0.2

 

Packing

extra grade Specification In plastic woven bag of 50kgs nett or 25kgs nett each with plastic lining

Notes

Store at cool and air -through place, prevent from sun light.

 

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