CAS NO.: 130-13-2 Dyes Intermediate 4-Amino-1-naphthalenesulfonic Acid

CAS NO.: 130-13-2 Dyes Intermediate 4-Amino-1-naphthalenesulfonic Acid

4-Amino-1-naphthalenesulfonic acid Product Name: 4-Amino-1-naphthalenesulfonic acid Other name: 1-Amino-4-naphthalene sulfonic acid sodium salt; Sodium Naphthionate Structural formula 4-Amino-1-naphthalenesulfonic acid Molecular Formula: N 10 H 8 O 3 NSNa 4-Amino-1-naphthalenesulfonic acid...

Description

4-Amino-1-naphthalenesulfonic acid

Product Name: 4-Amino-1-naphthalenesulfonic acid

Other name:1-Amino-4-naphthalene sulfonic acid sodium salt; 

                Sodium Naphthionate


Structural formula


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4-Amino-1-naphthalenesulfonic acid Molecular Formula: 
N10H8O3 NSNa

4-Amino-1-naphthalenesulfonic acid Formula Weight: 245.23 
4-Amino-1-naphthalenesulfonic acid Standard: HG/T 3387—1999

4-Amino-1-naphthalenesulfonic acid CAS No.: 130-13-2 
4-Amino-1-naphthalenesulfonic acid EINECS No.: 204-975-5

4-Amino-1-naphthalenesulfonic acid Properties & Use:  It 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.
4-Amino-1-naphthalenesulfonic acid Quality Spec.:

 

Item

 

Details

Best   Quality

First   Quality

Appearance

offwhite   crystal

offwhite   crystal

Total amino   value (%)

≥ 75.0

≥ 74.0

1-naphthylamine(%)

≤ 0.02

≤ 0.02

Insol. in   water(%)

≤ 0.10

≤ 0.20

4-Amino-1-naphthalenesulfonic acid Packing: extra grade Specification In plastic woven bag of 50kgs nett or 25kgs nett each with plastic lining
4-Amino-1-naphthalenesulfonic acid Storage: Put in dark,cold and air through place to prevent sun light.


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