CAS 7772-98-7 98% Content Industrial Na2s203 Sodium Thiosulfate Whith Factory Price

• Customization: Available
• CAS No.: 7772-98-7
• Formula: Na2s203.5H2O
• Model NO.: JC-Na2s203-032000
• EINECS: 231-867-5
• Appearance: Powder Crystal
• Grade Standard: Industrial Grade
• Delivery Fee: Base on Address
• Samples: 500g Free
• Melting Point: 48°c
• Boiling Point: 100°c
• Danger: Non
• Storage Conditions: Store at +5°c to +30°c.
• Form: Solid
• Colour: White
• pH: 6.0-8.5
• Proportion: 1.667
• Transport Package: 25kg, 50kg, 1000kg
• Specification: Customizabl /PP Bag
• Trademark: N/M
• Origin: China
• HS Code: 2830909000
• Production Capacity: 40000mt Per Month

Product Description

 

Product Description

The chemical name is sodium thiosulfate, also known as Haibo, which is a colorless and transparent monoclinic crystal. It has a wide range of applications in multiple fields.
IT appears as colorless crystals or white powder, and is easily deliquescent in humid air. Its specific gravity is 1.69, and it quickly melts at 48 ºC. Insoluble in alcohol, but soluble in water. The aqueous solution is nearly neutral (pH 6.5-8.0)

 

Product Parameters

 

ITEMS	UNIT	QUALITY STANDARD	RESULTS
Sodium Thiosulfate Content (Mass Fraction as Na2S2O3·5H2O)	%	≥98.0	98.23
Ferric Content(Mass Fraction as Fe)	%	≤0.002	0.001
Water Insoluble Substance (Mass Fraction)	%	≤0.01	0.002
Sulfide Content  (Mass Fraction as Na2S)	%	≤0.001	0.0008
Sodium Chloride Content (Mass Fraction Basis for NaCl )	%	≤0.05	0.04
PH Value(200g/L solution)	-	6.5-9.5	8.0
Appearance	Transparent crystalline particles
Conclusion	Qualified
Insepector: Fu yanyan               Checker: Song yuehua

We have a variety products with different contents and mesh. For more detailed information, please contact customer service
 

Certifications

 

 

 

Packaging & Shipping

Customizable packaging to meet your needs

 Storage environment: IT should be stored in a dry, cool, well ventilated indoor environment, avoiding direct sunlight and high temperatures. The storage temperature should be controlled below 25 ºC, and the relative humidity should not exceed 75%

Application

1. Water treatment: used for dechlorination treatment of industrial wastewater and drinking water
2. Photography industry: As a developing and fixing agent, it removes silver halide from photosensitive materials
3. In the field of medicine: used for the treatment of cyanide poisoning, desensitization therapy, and certain skin diseases
4. Chemical industry: used in industrial fields such as dyes, papermaking, tanning, painting, etc
5. Gold smelting: used as a leaching agent for gold, in combination with cyanide method
6. Textile printing and dyeing: used as a bleaching agent, reducing agent
7. Food industry (food grade)Used as an antioxidant and flour improver
8. Agriculture: Used in certain formulas for soil improvement and plant maintenance

 

 

 

 

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