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Sodium Thiosulfate CAS#7772-98-7

Sodium Thiosulfate CAS#7772-98-7

Basic Information

High Water Solubility:Readily dissolves in water with very high solubility, ensuring easy preparation and efficient use in aqueous systems.


High Purity and Stable Appearance:Appears as colorless monoclinic crystals or white crystalline powder, odorless and clean, suitable for industrial and chemical applications.


Strong Reducing Capability:Exhibits strong reducing properties, making it effective for chemical reactions and reduction processes.


Good Reactivity in Acidic Conditions:Decomposes in acidic solutions, allowing controlled reactivity for specialized chemical processing.


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product description

Product Description of Sodium Thiosulfate CAS#7772-98-7

Colorless monoclinic crystals or white crystalline powder, odorless with a slight salty taste. Relative density 1.667. Freely soluble in water, solubility about 231 g/100 mL at 100 ℃, insoluble in alcohol. Highly hygroscopic, with strong reducing properties and decomposes in acidic solutions.


Product Application of Sodium Thiosulfate CAS#7772-98-7

Sodium thiosulfate (CAS 7772-98-7) features reducing, complexing and detoxifying properties with extensive applications. Medically, it is used for emergency treatment of cyanide and heavy metal poisoning, and for topical dermatological use. Industrially, it serves for water treatment to remove residual chlorine and hexavalent chromium, dechlorination in textile printing and dyeing, and hypochlorite decomposition in papermaking and pulping.

Product Information

Parameters


Melting point48°C
Boiling point100°C
bulk density1350kg/m3
density1.01 g/mL at 25 °C
storage temp.Store at +5°C to +30°C.
solubilityImmiscible with alcohol.
formSolid
Specific Gravity1.667
colorWhite
PH6.0-8.5 (25℃, 50mg/mL in H2O)
Water SolubilitySoluble in water. Insoluble in alcohol.
SensitiveHygroscopic
Merck148,694
Stability:Stable. Incompatible with strong acids, strong oxidizing agents, iodine, mercury.
InChIKeyAKHNMLFCWUSKQB-UHFFFAOYSA-L
LogP-0.428 (est)
CAS DataBase Reference7772-98-7(CAS DataBase Reference)
EPA Substance Registry SystemSodium thiosulfate (7772-98-7)

Safety Information


Hazard CodesXi
Risk Statements36/37/38
Safety Statements24/25-23-36-26
WGK Germany1
RTECSXN6476000
F3
TSCAYes
HS Code28323000
Hazardous Substances Data7772-98-7(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 5000 mg/kg


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