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Sodium Thiosulfate CAS#7772-98-7

Sodium Thiosulfate CAS#7772-98-7

Basic Information

Sodium Thiosulfate
colorless monoclinic crystals; white crystalline powder

Sodium thiosulfate is supplied as colorless monoclinic crystals or white crystalline powder, highly soluble in water and strongly reducing. It also provides complexing behavior and decomposes in acidic solution. Uses include water dechlorination, removal of residual chlorine and chromium, textile processing, paper and pulp bleaching chemistry, photographic processing, and selected medical or dermatological preparations.

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product description

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.


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 Specifications

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


Factory Showcase
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Shipping And Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.


2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.


3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.


4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.


5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.

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