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

FOB Price: US $1 - 999 / Kilogram Get Latest Price
Min.Order Quantity: 2 Ton/Tons
Supply Ability: 1000 Ton/Tons per Year
Port: China Main Port
Payment Terms: L/C,T/T,Negotiation
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Quick Details

CAS No.:
Other Names:
4-Amino-1-naphthalenesulfonic acid
Place of Origin:
Hebei China (Mainland)
Dyestuff Intermediates
Brand Name:
Sodium Naphthionate
Model Number:
Intermedia of The Azo Dyes
Greyish-white Crystal
Molecular Weight:
Product Name:
Sodium Naphthionate

Packaging & Delivery

Packaging Detail: Packing:In plastic woven bag of 50kgs nett or 25kgs nett each with plastic lining.
Delivery Detail: As requsted.


Sodium naphthionate
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
Excellent product
First-class product
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


We have been selling this item for a long time.





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SJZ Chenghui Chemical Co., Ltd. is located in Shijiazhuang, the capital of Hebei Province, 270km away from the south of Beijing.

We mainly export chemical items, four parts consisting of our business.The main business is Sulfanilic acid. we have been mainly engaging in manufacturering and sale in Sulfanilic acid for a more than 20 years, we are the earliest and largest producer in China, our present producing capacity is 10,000mts per year, 70% of our quantity for exporting, and have been ... View detail

Basic Information

Product/Service (We Sell): Sulfanilic acid,sulfanilic acid sodium salt,water producer,optical brightener BA,potassium silicate  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: South America
Mid East
Western Europe
Southeast Asia
Total Annual Sales Volume: US$1 Million - US$2.5 Million  
Export Percentage: 81% - 90%  

Factory Information

Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  

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Verified Supplier - SJZ Chenghui Chemical Co., Ltd.
China (Mainland) | Trading Company | Contact Details
Experience: Established 2004

Communicate with Supplier:

Ms. Jenny Yang
Ms. Jenny Yang:
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