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Alfa Aesar™ Sodium thiosulfate, anhydrous, 99%

$46.51 - $169.04

Chemical Identifiers

CAS 7772-98-7
Molecular Formula Na2O3S2
Linear Formula Na2S2O3
Formula Weight 158.1
MDL Number MFCD00003499
Merck Index 14,8694
Chemical Name or Material Sodium thiosulfate, anhydrous
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Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA176290E SDS Alfa Aesar™
A176290E
2500g Each for $169.04
AAA1762936 SDS Alfa Aesar™
A1762936
500g Each for $46.51
Specifications

Description

Applications
Sodium thiosulfate is used in volumetric analysis to estimate the concentration of certain compounds in solution (hydrogen peroxide) as well as chlorine content in bleaching powder and water. It is used to prepare S-alkylthiosulfonates. Furthermore, it is used in the tanning of leather and in photographic processing. It is used as an antidote to cyanide poisoning and acts as a safe disposal medium in chemistry laboratories when working with bromine, iodine and other strong oxidizers. It is an important component in hand warmers and heating pads.

Solubility
Soluble in water. Insoluble in alcohol.

Notes
Hygroscopic. Incompatible with strong acids, strong oxidizing agents, iodine and mercury.
Description & Specifications

Chemical Identifiers

7772-98-7
Na2S2O3
MFCD00003499
Sodium thiosulfate, anhydrous
Na2O3S2
158.1
14,8694

Specifications

7772-98-7
Na2S2O3
MFCD00003499
2500g
Sodium thiosulfate, anhydrous
Na2O3S2
158.1
14,8694
Odorless
99%

Safety and Handling

RTECSNumber : XN6476000

TSCA : TSCA