Company Introduction
Chem Color International is the Sole Agent of Guangdi Maoming Chemical Co., Ltd.,Our principal located in the Maoming National Hi-Tech Industrial Development Zone in Guangdong, is a comprehensive chemical enterprise whose business covers the production, storage, transportation, sales and service of chemical products. Our Principal is the largest sodium hydrosulfite(sodium dithionite) manufacturer in China,After registering the company in June 2012, he started developing the construction plan for manufacturing campus. As a professional manufacturer, product has already been sold all over the world. Guangdi Chemical is one of the enterprises strongly supported by the national high-tech industry park and the sole sodium hydrosulfite producer in Guangdong, ranking top in terms of overall capabilities in the industry around the world.
Products
CAS NUMBER |
7555-14-6 |
EN NUMBER |
231-890-0 |
STRUCTURE |
 |
CERTIFICATE |
ISO9001 : IDO14001: ISO18001 |
PACKAGE |
50 KG / 100 KG / 200 KG PACKE IN IRON DRUMS |
USAGE |
Requires reducting agent during the dyeing process. is able to minimize damage risk in indigo dyeing and finally guarantee the Denim Coloration quality efficiently. |
Reducing Agent, Sulfonating Agent, Textile Dyeing, Pulp and Kaolin Bleaching, Leather, Foods and Beverages, Polymers, Photograghics, Chemical processing, cleaners, water treatment, gas purification, and environmental improvement.
Sales Specification Package50 KG Iron Drum, 21 M. ton in 20 FT FCL Proper shipping name: Sodium Dithionite UN No.: 1384 Hazard Class: 4.2 Packing Group: II
Textile dyeing,reduction cleaning and etc. Properties: The bulk specific weight is 0.7-1.0g/m3 , dissolve in water, slightly dissolve in ethanol. Give off heat and cause combustion easily. Spontaneous decomposition occurs when the temperature is higher than 85℃, heats up to 190℃cause detonation. Self-ignition point is 250℃.
Items |
Specifications |
Appearance |
Free-flowing white crystalline powder |
Chemical Formula |
Na2S2O4 |
Molecular wt |
174 |
Bulk Density |
0.9 |
Melting Point |
>300℃ (Decomposes) |
Solubility |
Soluble in water, insoluble in alcohol and methanol |
Odour |
None or slightly smell of sulfur dioxide |
Shelf Life |
12 months from the date of packing if stored in a sealed Air-tight container
|
Grades(Contents) |
High Purity-----------90% Min. |
Application |
i)Strong Reducing Agent.
ii)Dyeing, Printing and Stripping of Vat Dyes in Textiles.
iii)Bleaching Sugar, Soap, Oils, Minerals Wood Pulp, Ceramics and Chemicals. Synthetic Rubbers.
iv)Discoloration of Effluent.
|
Packing |
50 kg net in iron drum with double plastic liners |
Storage Stability |
Keep in closed or covered containers when not in use. Store in cool dry place with adequate ventilation. Do not store near oxidants, acids or combustible materials. |
Safety Precautions |
In case of fire, use sand or use Carbon Dioxide fire
extinguisher. Do not use water.
|
Shipping Details |
One FCL of 20 Feet can accommodate 21 MT |
UN No |
1384 |
IMCO Class |
4.2 |
IMDG Page |
4262 |
HS CODE |
2831.101 |
CAS No. |
7775-14-6 |
Package Class |
II |
Warning |
Flammable! May spontaneously ignite in moist air or upon contact with water |
Quality Control
Chem Color International always put quality on the priority. The products produced by us is strictly in line with the international standard like ISO. Our technical team is composed of professional experts in this field, who could offer you technical advise whenever you turn to us.
Technical Parameters
Item
Technical Grade
Food Grade
90% Grade
88% Grade
85% Grade
Na2S2O4
≥90%
≥88%
≥85%
≥85%
Iron(Fe)
≤20ppm
≤20ppm
≤20ppm
≤20ppm
Zinc(Zn)
≤1ppm
≤1ppm
≤1ppm
≤1ppm
EDTA
/
/
/
Qualified
Arsenic
/
/
/
≤1ppm
Other heavy metal(as Pb)
/
/
/
≤1ppm
Formate
/
/
/
≤0.05%
Solution Appearance
Clear
Clear
Clear
Clear
Water Insolubles
≤0.05%
≤0.05%
≤0.05%
≤0.05%
Certification
ISO
Inquiry
Inquiry Order
