H Acid 1-Amino-8-Naphtol-3,6 Disulfonic Acid

Synonyms

1-Amino-8-Naphtol-3,6 Disulfonic Acid (Sodium Salt)
8-Amino-1-Naphtol-3,6 Disulfonic Acid (Sodium Salt)
1-Amino-8-Hydroxynaphthalene-3,6-Disulfonic Acid
Mono Sodium Salt
4-Amino-5-Hydroxynaphthalene-2,7-Disulfonic Acid
Mono Sodium Salt

Empirical formula

C H O NS 10 9 7 2
(Free Acid mw 319) C H O NS NA 10 9 7 2
(Mono Sodium Salt mw 341)

CAS-No.

5460-9-3

Appearance

off-white to light grey powder.

Strength

80.00 % min. (on mw 319)
85.00 % min. (on mw 341)

Insoluble Matter in Dilute
Soda Ash Sol.

0.10 % max. on 100 %

Impurities

Chromotropic acid

0.8 % max. on 100 %
0.2 % max. on 100 %
0.2 % max. on 100 %

Koch acid

Omega acid

Sales Basis

On 100 % (Real Weight.)

Packing

PP/PE-woven Bags.
(As per the requirement of the customer.)

Use

Intermediate for dyestuffs.