High Quality Sodium Thiosulfate 99% Min China Manufacturer

High Quality Sodium Thiosulfate 99% Min

Payment Type:L/C,D/P,D/A,T/T

Incoterm:FOB,CFR,CIF,EXW

Min. Order:27 metric ton

Port:tianjin, qingdao, lianyungang

$175-185 /metric ton

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery
Other information

Product Attributes

Brand: kopeo

Classification: Sulphate

Type: flocculant

CAS No.: 7772-98-7

Other Names: Sodium Thiosulphate

MF: Na2s2o3.5h2o

EINECS No.: 231-867-5

Grade Standard: Industrial Grade

Appearance: Colorless granular

Application: synthetic fiber industry

Product Name: Sodium Thiosulphate

Usage: Industrial Water Treatment

Color: Wihte

Package: 1000kg/50kg/25kg Plastic Woven Bag

Certificate: ISO COA MSDS

HS Code: 2830909000

CAS: 7772-98-7

MOQ: 1 TON

Sample: Availiable

Place Of Origin: Henan, China

Purity: 99%

Grade: Industral Grade

Supply Ability & Additional Information

Packaging: plastic drum, round drum, square drum, USA style drum, Europe style drum

Supply Ability: 20000 Metric Ton/Metric Tons per Year

Port: tianjin, qingdao, lianyungang

Payment Type: L/C,D/P,D/A,T/T

Incoterm: FOB,CFR,CIF,EXW

Packaging & Delivery

Selling Units:

metric ton

Package Type:

plastic drum, round drum, square drum, USA style drum, Europe style drum

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High Quality Sodium Thiosulphate 99% Min Cas 7772-98-7 sodium thiosulphate1

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Product Description

Production methods
There are more synthesis methods of Sodium Thiosulfate, such as sodium sulfite method and sulfide base method.
1、Sodium sulfite method: by the reaction of soda ash solution and sulfur dioxide gas, add caustic soda neutralisation, add sulfide base to remove impurities, filtration, and then dissolve sulfur powder in hot sodium sulfite solution for the reaction, after filtration, removal of impurities, and then filtration, add caustic soda for alkali treatment, after concentration, filtration, crystallisation, centrifugal dehydration, screening, to produce finished product of sodium thiosulfate.
2、Sulfide alkali method: use sulfide alkali evaporation residue, barium sulfide wastewater (containing sodium carbonate and sodium sulfide) prepared as raw material liquid and sulfur dioxide reaction, clarified by adding sulfur powder for heating and reaction, after evaporation, cooling crystallisation, washing, separation, screening, to produce sodium thiosulfate finished products.
3、The raw material used to make Anhydrous Sodium Thiosulfate is sodium thiosulfate pentahydrate. The pure sodium thiosulfate pentahydrate crystals are heated so that all of them are dissolved in its own water of crystallisation, and are heated and concentrated below 100℃, until a large number of anhydrous crystals are precipitated, the crystals are separated and dried below 100℃.
4、Adopting dehydration method: the crystals of sodium thiosulfate pentahydrate are indirectly heated with steam to dissolve in its own water of crystallisation, and then concentrated, centrifuged and dehydrated, dried and screened to produce finished product of anhydrous sodium thiosulfate.
5、Comprehensive method: the main components are sodium sulfide, sodium sulfite, sulfur and a small amount of sodium hydroxide. After vacuum evaporation, activated carbon decolourisation, filtration, cooling, crystallisation, centrifugal dewatering and sieving, it is the finished product.
6、Sodium sulfate neutralisation method: the main component is sodium sulfide and a small amount of sodium carbonate waste.

Company information

The company's main import and export products include:

（1）Organic Raw Materials:The organic raw materials are Petrochemicals made of petroleum and natural gas, and the industries of various organic chemical products are produced or fractionated by the raw material gas after coal gasification and the coal tar recovered by dry distillation.Our Organic Raw Materials include Industrial Ethylene、Ester Compounds、Ether Compounds.

（2）Flavors and Fragrances：Fragrance: some from the natural world of plants and animals or by artificial single separate, synthetic and get the fragrance material called fragrance. Flavour: Flavour is a mixture of a variety of fragrances (sometimes also containing a certain amount of solvent) blended out of a certain aroma, can be used directly for product fragrance, can be widely used in perfumes, cosmetics, shower gels and other daily necessities. Simply put, flavours are made from a mixture of various fragrances.