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Sodium Thiosulfate CAS#7772-98-7

  • Sodium Thiosulfate CAS#7772-98-7
  • Sodium Thiosulfate CAS#7772-98-7
  • Sodium Thiosulfate CAS#7772-98-7
  • Sodium Thiosulfate CAS#7772-98-7
  • Sodium Thiosulfate CAS#7772-98-7

Sodium Thiosulfate CAS#7772-98-7

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.


Phone ：+86 18626059817
WhatsApp ：+86 18626059817
Email ：cora@wxqysteel.com
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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For standard products, the MOQ is typically one 20-foot container (approx. 16–20 tons) for direct shipments from China. However, for stock picked up from overseas warehouses, we support orders starting from 1 ton—ideal for sample testing or small-batch production. Specific MOQs depend on the product category and packaging type; please contact us for details.
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We implement a "three-level quality control" system:
Before leaving the factory: We require the factory to provide a Certificate of Analysis (COA) for the specific batch.
Before shipment: We commission international third-party agencies like SGS or Intertek to conduct random inspections, with costs covered by us (for long-term partners).
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We are proficient in handling common terms such as FOB, CIF, CFR, and EXW. Additionally, for regions covered by our overseas warehouses, we offer DDP services (including duties and door-to-door delivery), allowing you to receive goods without the hassle of complex import customs clearance procedures. Please consult your sales manager for specific costs.
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If stock is available at an overseas warehouse, we can provide 1–2 kg of samples for free; you only need to cover the local courier fees.
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We provide full-lifecycle service:
Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
Regular follow-ups: Proactive contact every six months to understand changing needs and optimize supply solutions.
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