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Sodium thiosulfate


    Code : 2201001

    Item : ST

    Chemical Name : Sodium thiosulfate

    Other Name : Soda ash dense

    CAS No. : 7772-98-7                  

    Molecular Weight : 158.11        

    Molecular Formula : Na2S2O3.5H2O        

    EINECS : 231-867-5          

    H.S CODE : 28323000        



PRODUCT NAME: Sodium thiosulfate

ORIGIN: CHINA

H.S CODE: 28323000

Product Description

Product Parameters

Appearance: white granular powder

Molecular Formula: Na2O3S2

Molecular weight 158.11

EINECS:231-867-5

CAS:7772-98-7

 

Physical and Chemical data

Index

Standard

Melting point

48°C

Boiling point 

100°C

Density 

1.01 g/mL at 25 °C

Storage 

Store at +5°C to +30°C.

Solubility degree

Immiscible with alcohol.

Form

Solid

Proportion

1.667

Color

White

PH

6.0-8.5 (25℃, 50mg/mL in H2O)

Solubility of water 

Soluble in water. Insoluble in alcohol.

Sensitivity

Hygroscopic

Merck 

14,8694

Stability

Stable. Incompatible with strong acids, strong oxidizing agents, iodine, mercury.

Application 

Sodium thiosulfate, It is commonly known as baking soda, is an important inorganic chemical raw material. In the pesticide can be used for synthetic insecticide double, insecticide single, insecticide borer, etc.

Application 

It is used as a dechlorination agent after bleaching of pulp and cotton fabrics. It is used as a chelating agent and antioxidant in food industry and as a detergent and disinfectant in pharmaceutical industry

Application 

Used as analytical reagent, mordant and fixating agent