WHAT IS SODIUM THIOSULFATE

Sodium thiosulfate (sodium thiosulphate) is an inorganic compound with the formula Na2S2O3.xH2O. Typically it is available as the white or colorless pentahydrate, Na2S2O3·5H2O. The solid is an efflorescent (loses water readily) crystalline substance that dissolves well in water. Sodium thiosulfate is used in gold mining, water treatment, analytical chemistry, the development of silver-based photographic film and prints, and medicine. The medical uses of sodium thiosulfate include treatment of cyanide poisoning and pityriasis. It is on the World Health Organization's List of Essential Medicines, the safest and most effective medicines needed in a health system.

  • Synonyms: Hypo, Sodium Hyposulfite Anhydrous, Sodium Thiosulfate Anhydrous, Sodium Thiosulphate Anhydrous
  • INCI: Sodium Thiosulfate
  • Chemical formula: Na2S2O3
  • CAS #: 7772-98-7
  • Hazard: • May irritate the skin.
    May cause irritation to the eyes.
    May irritate the respiratory tract.
    Reacts with acids to form toxic and irritating sulfur dioxide gas.

BUY VARIOUS GRADES OF SODIUM THIOSULFATE

Use the links below to view all package sizes for these specific products:

Sodium Thiosulphate 30% Solution
Sodium Thiosulfate 45%
Sodium Thiosulphate Pent GSO

PRODUCT SPECIFICATIONS

Characteristics
AppearanceClear to white granules or crystals, solid
OdorOdorless
SolubilitiesSoluble in water
Freezing point48oC (118.4oF)
Molecular weight158.11 g/mol
Weight per gallon10.4 - 11.2 lbs/gal
ClassInorganic Salt, Reducing Agent
GradesIndustrial, USP, Technical

USES AND APPLICATIONS FOR SODIUM THIOSULFATE

Sodium Thiosulfate uses include Chrome Plating, Cosmetics, Dechlorination Agent, Electroplating, Gel Stabilizer, Leather Tanning, Mordant – Dyes, Oil Field Service Chemicals, Paper & Paperboard, Photographic, Reducing Agent, Shampoo, Textile, Water Treatment o Fixers - used in fixing baths to remove undeveloped silver halide.

Quick Answers

Sodium thiosulfate is an inorganic sodium salt composed of sodium and thiosulfate ions in a 2:1 ratio. It has a role as an antidote to cyanide poisoning, a nephroprotective agent and an antifungal drug.

A reliable source for your chemical compounds is important for your business. It does not matter if you are an independent company that occasionally orders a small quantity of products, or a large manufacturer that consumes large bulk quantities in just-in-time deliveries. In North America, your top choice for sodium thiosulfate is Brenntag.

We combine our global footprint and purchasing power with a localized approach in the U.S. and Canada, thanks to over 190 individual locations spread out across North America. Our proximity enables you timely delivery of your chemicals, and rapid response when you need our help. That is the advantage you receive when buying your sodium thiosulfate from the global market leading distributor.

Sodium thiosulfate is available in pails, metal drums, totes, tank trucks quantities

You can download a copy of the SDS for sodium thiosulfate from Brenntag Connect.

Download the SDS now.

WHAT WOULD YOU LIKE TO DO NEXT

This document is for informational purposes only. You accept sole responsibility for reading and complying with the Safety Data Sheets (SDS’s), as well as any other safety information, relating to the products listed herein. The information contained herein is based on Brenntag’s knowledge at the time of publication or release and not on any publications, independent studies, empirical evidence or other form of verification. You should not use or rely on any statements contained herein as a basis for any representations or warranties to your customers or end users as to the safety, efficacy or suitability of any product or for purposes of ensuring your compliance with any laws or regulations. Brenntag makes no warranties, express or implied, as to the accuracy, completeness, or adequacy of the information contained herein or as to fitness of any product for any particular purpose. Nothing contained herein shall be construed as an authorization to use or an inducement to practice any patent, trade secret or other intellectual property right. Before producing and distributing any product, it is your sole responsibility to adequately test and document the performance of the product and acquire any required intellectual property rights. You assume all risks for failing to do so and Brenntag shall not be liable (regardless of fault) to you, your employees, customers or end users or any third party for direct, special or consequential damages arising out of or in connection with the furnishing or use of this information. Please contact your local Brenntag representative if you have any questions about this information.