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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 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 |