Products Description
Sodium thiosulfate (CAS 7772‑98‑7) occurs as colourless monoclinic crystals or white crystalline powder. It is odourless with a faint salty taste and features a relative density of 1.667. Highly soluble in water, it reaches a solubility of 231 g per 100 mL water at 100 °C, while being practically insoluble in ethanol. This material is prone to deliquescence upon exposure to ambient air. Furthermore, it exhibits prominent reducing properties and will undergo decomposition under acidic conditions.
Products Chemical Properties
| Melting point | 48°C |
| Boiling point | 100°C |
| bulk density | 1350kg/m3 |
| density | 1.01 g/mL at 25 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Immiscible with alcohol. |
| form | Solid |
| Specific Gravity | 1.667 |
| color | Colorless or white |
| PH | 6.0-8.5 (25℃, 50mg/mL in H2O) |
| Water Solubility | Soluble in water. Insoluble in alcohol. |
| Sensitive | Hygroscopic |
| Merck | 14,8694 |
| Stability: | Stable. Incompatible with strong acids, strong oxidizing agents, iodine, mercury. |
| InChIKey | AKHNMLFCWUSKQB-UHFFFAOYSA-L |
| LogP | -0.428 (est) |
| CAS DataBase Reference | 7772-98-7(CAS DataBase Reference) |
| EPA Substance Registry System | Sodium thiosulfate (7772-98-7) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25-23-36-26 |
| WGK Germany | 1 |
| RTECS | XN6476000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 28323000 |
| Hazardous Substances Data | 7772-98-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg |
Products Application
Sodium thiosulfate (CAS No. 7772-98-7) features three core characteristics: reducing property, complexing capacity and detoxification effect. It covers a broad range of application scenarios. In the medical sector, it is applied for emergency intervention against cyanide and heavy metal poisoning, and also used as an external agent for dermatological treatments. For chemical and industrial uses, it removes residual chlorine and hexavalent chromium in water treatment systems, performs dechlorination in textile printing and dyeing, and breaks down hypochlorite during paper pulping operations.
Company Profile
From Shandong, China, Furuida (Jinan) Chemical Technology Co., Ltd. serves as a global supply partner in fine chemicals. The company unites R&D, production, sales, and worldwide service, with a clear emphasis on new chemical materials. Integrity, quality, and customer-first service shape its approach. Innovation, stringent quality management, internationalization, operational excellence, and brand development shape its progress.
Its experienced foreign trade and technical support team works with a mature global supply network and resilient supply chain. As a result, annual sales exceed RMB 600 million, and more than 5,000 industrial customers rely on the company. Its reach covers Asia, Europe, Africa, and Oceania.
Furuida supplies pharmaceutical intermediates and raw materials, food additives, electroplating chemicals, water treatment agents, dye auxiliaries, functional materials, titanium compounds, metal salts, catalysts, and surfactants. Used in pharmaceuticals, electronics, coatings, rubber and plastics, fine chemicals, and water treatment, these products come with a commitment to reliable, cost-effective solutions and complete one-stop service.
