What is the CAS number for this chemical?

The CAS number for Sodium Thiosulfate is 7772-98-7.

What are the storage requirements?

The product should be stored in a dry place to prevent decomposition and maintain quality.

Water Treatment Additive Crystal Particle Sodium Thiosulfate

Name: Water Treatment Additive Crystal Particle Sodium Thiosulfate
Brand: Zhengzhou Kelai Chemical Co., Ltd.
SKU: 2004626222

Henan, ChinaZhengzhou Kelai Chemical Co., Ltd.

US$350.00-650.00

5 Tons

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

CAS No.

7772-98-7

Formula

Na2s2o3

Model NO.

Sodium Thiosulfate

EINECS

231-867-5

Certification

CCIC, CIQ, RoHS, ISO

Purity

≥99%

Type

Sodium Sulfate

Appearance

Powder

Grade Standard

Industrial Grade

Product Name

Sodium Thiosulfate

Other Name

Sodium Thiosulfate Pentahydrate

Sodium Thiosulfate Formula

Na2s2o3

Formula Weight

158.108

Boiling Point

100 ℃

Water-Solubility

Easy to Dissolve

Density

1.667 G/Cm³

Type(Grade)

Industry Grade

Sodium Thiosulfate Appearance

Colorless Transparent Crystals

Melting Point

48 ℃

Solubility

Soluble in Water

Fe

0.002% Max

pH Value

7.5

Sodium Thiosulfate Purity

99% Min

Storage

Dry Place

Transport Package

25kg Bag, or 1000kg Jumbo Bag

Specification

25kg bag, or 1000kg jumbo bag

Trademark

Kelai

Origin

China

HS Code

2830909000

Production Capacity

100000mt Per Year

Key features

High Purity Grade: Purity reaches 99% minimum for industrial and photographic applications.

Versatile Applications: Used in photography fixing, tanning, dechlorination, and silver extraction.

Customizable Packaging: Available in 25kg net bags or fully customized bag specifications.

Multiple Certifications: Certified by CCIC, CIQ, RoHS, and ISO standards for quality assurance.

High Solubility: Easy to dissolve in water and alcohol with stable chemical properties.

Competitive Pricing: Direct factory supply with flexible payment terms including LC and T/T.

Global Shipping: Efficient loading of 25MT per 20' container with FOB, CIF, and DDP options.

Stable Storage: Requires storage in dry places to maintain crystal integrity and purity.

Company profile

Zhengzhou Kelai Chemical Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-01-21Average Response Time: ≤2.39hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP

About Our Factory & Business Background

AddressNo. 38 Lijing Garden, Jinshui District, Zhengzhou, Henan, China

Our Production Capability & Technical Expertise

Main ProductsSLES, Titanium Dioxide, PVC Resin, Iron Oxide, Carbon Black, Sulphur Black

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Western Europe

Product Q&A

Q:What is the purity level of this product?

The product has a minimum purity of 99% for the 99% grade and 98.5% for the industrial grade.

Q:Can the packaging be customized?

Yes, we offer standard 25kg net bags or fully customized bag options to meet your specific needs.

Q:What are the main applications of Sodium Thiosulfate?

It is primarily used as a fixing agent in photography, a reducing agent in tanning, and a dechlorination agent in pulp bleaching.

Q:What certifications does the product hold?

The product is certified by CCIC, CIQ, RoHS, and ISO standards.

Q:How is the product shipped and what is the loading capacity?

We can load 25MT per 20-foot container, with shipping terms including FOB, CFR, CIF, DDP, and DAP.

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