Hot Sale Industrial Na2s203.5H2O Solid Sodium Thiosulfate Whith Customizable Packaging

• Customization: Available
• CAS No.: 7772-98-7
• Formula: Na2s203.5H2O
• Model NO.: JC-Na2s203.5H2O-B4
• 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

Chemical formula: Na ₂ S ₂O 3
Molecular weight: 248.18 g/mol (pentahydrate).
Appearance: Colorless transparent crystals or white particles, uniform texture, no obvious impurities.
Odor: No odor or slightly sulfur-containing.
Solubility: Easily soluble in water, with weak alkalinity in aqueous solutions; Almost insoluble in alcohols and organic solvents.
Density: 1.69 g/cm ³ (solid).
Melting point: about 48 ° C (dehydration of pentahydrate begins).







 

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%

 

 

Customer Visit

 

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Our Advantages

1.Customizable brand,we can do it. Just send us your logo design·

2.Accept small orders, If you are a small retailer or starting up business,We are definitely willing to grow up with you. And we are looking forward to co-work with you for a long term relationship.

3.Get cheaper price,We always take the customer's benefit as the top priority.Price is negotiable under different conditions,we are assuring you to get the most competitive price.

4.Delivery on time,Of course!we specialized in this line for many years, many customer make a deal with me because we can
deliver the goods on time and keep the goods top quality!

5. You are very welcomed to visit our company in China.

 

Application

A:Industrial applications:

1.In the field of photography, it is used as a fixative in traditional photography to remove non photosensitive silver halides.
2. Paper and textile: Used as a bleaching agent, stabilizer, or reducing agent to improve the performance of paper and textiles.

B:Chemical industry:
1.Used as a reducing agent in chemical reactions to regulate the reaction environment.
2.Used for manufacturing other sulfide and thio salt compounds.

C:Mining and Metallurgy:
The process used to extract precious metals such as gold and silver from ores.

D:Other uses:
1.Used in the laboratory for iodometric titration as a reducing agent.
2.Used in the medical industry for the preparation of certain drugs (industrial grade must meet other processing standards).