high quality Sodium naphthionate/CAS:130-13-2/4-amino-1-naphthalenesulfonic acid

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US $1-999 / Kilogram | 2 Ton/Tons (Min. Order)
Supply Ability:
1000 Ton/Tons per Year
Port:
China Main Port
Overview
Quick Details
CAS No.:
130-13-2
Other Names:
4-Amino-1-naphthalenesulfonic acid
MF:
C10H8NNaO3S
EINECS No.:
204-975-5
Place of Origin:
Hebei, China (Mainland)
Type:
Dyestuff Intermediates
Purity:
75%min
Brand Name:
Sodium Naphthionate
Model Number:
75%min
Application:
Intermedia of The Azo Dyes
Appearance:
Greyish-white Crystal
Product Name:
Sodium Naphthionate
H.S CODE:
29214500
Molecular Weight:
245.23
Packaging & Delivery
Packaging Details
Packing:In plastic woven bag of 50kgs nett or 25kgs nett each with plastic lining.
Delivery Time
As requsted.

Specifications

Sodium naphthionate
1>Purity:75%min
2>Intermedia of the azo dyes mainly
3>Water insoluble matter: less than 0.10%

Product name: Sodium Naphthionate/ 4-amino-1-naphthalenesulfonic acid

Molecular formula: N10H8O3NSNa

Molecular weight: 245.23

Nature and use:

Sodium Naphthionate is a greyish-white crystal.
Ashen crystallization, turn into rose-colored gradually among air, very much easy to
dissolve on ink, Do not dissolve it in the ethanol . Product this sulphurate but make by
1-naphthyl-amine , use as the intermedia of the azo dyes mainly.

 

Quality index:

Name of index
Index
Excellent product
First-class product
Appearance
Ashen crystallization
Ashen crystallization
Total amino %
≥ 75.0
≥ 74.0
1-naphthyl-amine %
≤ 0.02
≤ 0.02
Water insoluble matter %
≤ 0.10
≤ 0.20


Notes:Put in dark,cold and air through place to prevent sun light

 

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