CAS NO.: 130-13-2 Dyes Intermediate Sodium Naphthionate

CAS NO.: 130-13-2 Dyes Intermediate Sodium Naphthionate

offwhite crystal, Sodium-1-Naphthylamine-4-Sulfonate / Sodium Naphthionate

Description

Product Name: Sodium-1-Naphthylamine-4-Sulfonate / Sodium Naphthionate

Structural Formula: 
Molecular Formula: 
N10H8O3 NSNa

Formula Weight: 245.23 
Standard: HG/T 3387—1999

CASNo.: 130-13-2 
EINECS No.: 204-975-5

Properties & Use: offwhite crytal, will gradually turn rosy air, easily soluble in water, insoluble in ethanol. Mainy used as intermediate of azo dyes. 

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

Packing: In woven bag lined with double-layer plastic film. Net wt.: Domestic sale--50Kg/bag; export--25Kg/bag. 

Storage: Avoid sunlight or dampness, stored in dry and draughty place.


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