Sodium Hydrosulfite Na2s2o4 7775-14-6 85% 88% 90% for Textile

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: CCIC, CIQ, RoHS, ISO, SGS
• Purity: 85%Min, 88%Min, 90%Min, 80%~90%
• Type: Sodium Sulfate
• Model NO.: 7775-14-6
• Appearance: Powder
• Grade Standard: Industrial Grade
• Other Names: Sodium Hydrosulphite
• Appearance1: White Powder
• Application: Textile&Papermaking, Metallurgical
• MOQ: 21 Metric Ton
• Solubility: Easily Soluble in Water
• Port of Loading: Qingdao
• Density: 2.189 g/cm3
• Un No.: 1384
• Dangerous Class: 4.2
• Application2: Textile/Metallurgica/Medicine-Making/
• Transport Package: in Iron Drum with Inner Plastic Bags, 50kgs Net.
• Specification: In iron drum with inner plastic bags, 50kgs net.
• Trademark: SHANYU
• Origin: China
• HS Code: 28301090
• Production Capacity: 20000 Per Month

Product Description

 

Product Description

 

Product Name	Sodium Hydrosulphite/Sodium Hydrosulfite	Purity	85% 88% 90%
CAS NO.	7775-14-6	Appearance	White Crystal Powder
MF	Na2S2O4	HS Code	2831101000
EINECS NO.	231-890-0	UN NO.	1384

 

INDEX	90%	88%	85%	74%
Na2S2O4	≥90%	≥88%	≥85%	≥74%
Fe	≤20ppm	≤20ppm	≤20ppm	≤30ppm
Zinc(Zn)	≤1ppm	≤1ppm	≤1ppm	≤1ppm
Other heavy metal (as Pb)	≤1ppm	≤1ppm	≤1ppm	≤1ppm
Water Insolubles	≤0.05%	≤0.05%	≤0.05%	≤0.05%
Shelf Life(month)	12	12	12	12

 

 

Specification

 

 

 

SODIUM HYDROSULFITE 85%
ITEM	STANDARD	TESTING RESULT
Purity(wt%)	85min	85.84
Na2CO3(wt%)	3-4	3.41
Na2S2O3(wt%)	1-2	1.39
Na2S2O5(wt%)	5.5 -7.5	6.93
Na2SO3(wt%)	1-2	1.47
Fe(ppm)	20max	18
Water lnsoluble	0.1	0.05
HCOONa	0.05max	0.04
Appearance	White crystalline powder
Odor	No or light sulfurous acid

 

SODIUM HYDROSULFITE 88%
Na2S2O4%	Water insolubles%	Heavy MetalContent(ppm)	Na2CO3%	Fe(ppm)	Zn(ppm)
88 MIN	0.05MAX	1MAX	1-5.0	20MAX	1MAX
88.59	0.043	0.34	3.68	18	0.9
APPRIENCE:WHITE CRYSTALLINE POWDER
ODOR: ORDORLESS OF SULFUR DIOXIDE

Application

1,In food industry, it is used as bleaching agents, preservatives, loosen agents, antioxidants, color protecting agents and preservatives.

2,The Doctor industry is used for the production of chloroform, phenylpropane and benzaldehyde.

3,The rubber industry is used as a coagulant.

4,The printing and dyeing industry is used as a dechlorination agent for cotton bleaching and a cotton cooking agent.

5,Tannery industry for leather treatment, can make leather soft, plump, tough, with waterproof, anti - folding, wear resistance and other properties.

 

Packaging & Shipping

 

 

 Packaging Details
50kgs drum,22tons/20'FCL without pallets
Port  :Qingdao, Tianjin 

Customer Reflection

According to the customer the long-term use of reflection.

a.In non-ferrous metallurgical refining significantly improve processing efficiency and cost. 

b.In dying industry, Improve the effectiveness of coloring, saving dyes, more environmentally friendly

c.Used the product in leather processing hair removal more thoroughly

d.Used in rubber and plastic industry, product recovery rate is higher, the advantages of nice colour.

e.Used in leather toughness increased significantly

f.Used in rubber and plastic industry, product recovery rate is higher, the advantages of nice colour

Company Profile

 Our manufacture has the most advanced design. It is full automatic converter and stainless steel vacuum evaporation high quality sodium sulfide production line, an annual quantity is 50000 tons of  II of yellow flake.The quality is the best in southwest region of similar products. Our products are widely used in chemical industry, nonferrous metallurgy industry, dyestuff, papermaking, leather and rubber industry, such as light industry.
 
We will provide the high quality and stable quantity. We are manufacture instead of trader.
Now enjoy your visiting and hope to hearing from you!