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Sodium Thiosulphate anhydrous Manufacturer and Supplier

CAS No.: 7446-19-7| EC Number.: 616-096-8| Molecular formula.: H2O5SZn

Sodium Thiosulphate anhydrous

Sodium Thiosulphate Anhydrous Manufacturers, Sodium Thiosulphate Anhydrous Suppliers, Sodium Thiosulphate Anhydrous Price, Sodium Thiosulphate Anhydrous Formula, Sodium Thiosulphate Anhydrous Exporter in Mumbai, India.

Vinipul Chemicals Pvt. Ltd. is a renowned manufacturer, supplier, and exporter in India, specializing in high-purity Sodium Thiosulphate Anhydrous CAS No:7772-98-7. As a reliable Sodium Thiosulphate Anhydrous manufacturer, our company is well-regarded for providing specialty chemicals with impeccable quality and accurate composition. We prioritize the use of superior purity chemicals and employ the latest manufacturing equipment to ensure that our Sodium Thiosulphate Anhydrous is free from impurities, adhering to international industry standards.

As a leading Sodium Thiosulphate Anhydrous manufacturers in India, we take pride in offering chemicals of exceptional quality. Our product is meticulously formulated to meet the precise composition requirements of our customers. Additionally, our Sodium Thiosulphate Anhydrous boasts an extended shelf life, ensuring that it remains reliable and effective over an extended period. Choose Vinipul Chemicals Pvt. Ltd. as your trusted Sodium Thiosulphate Anhydrous supplier and experience the assurance of superior quality, accurate composition, and long-lasting performance.

Sodium Thiosulphate Anhydrous Specification

Chemical name

Sodium Thiosulphate Anhydrous



EC Number


Commercial name / Synonyms

SODIUM THIOSULFATE, Sodium thiosulphate, sodium thiosulfate, Sodium thiosulfate, Hypo, Chlorine Control, Thiosulfuric acid, disodium salt, UNII-L0IYT1O31N

Molecular formula


Molecular weight

158.11  g/mol

Melting Point

48.5 °C



Physical Form 


Physical Appearance 

Dry Powder /  Liquid /  Pellets Large Crystals /  Gas Vapor / Other Solid 

Packaging Details 

25 kg / 50 kg / HDPE packaging bags / Drum/ As per Client’s requirements

What is Sodium Thiosulphate Anhydrous?

Sodium thiosulfate anhydrous is a chemical compound with the molecular formula Na2S2O3. It is also known as sodium thiosulfate or sodium hyposulfite. “Anhydrous” indicates that the compound does not contain water molecules. Sodium thiosulfate anhydrous is a white crystalline solid that is highly soluble in water. It has a variety of applications in different industries and fields. One of its most common uses is as a photographic fixing agent. In the development of photographic films or prints, Sodium thiosulfate anhydrous is used to remove unexposed silver halide particles from the emulsion. This process stabilizes the image and prevents further light exposure from affecting it.

Furthermore, it is used in medical treatments as an antidote for cyanide poisoning. Sodium thiosulfate anhydrous reacts with cyanide to form a less toxic compound, making it an important emergency treatment option. In addition to its photographic and medical uses, sodium thiosulfate has various other applications. It is employed in analytical chemistry for titrations, as a reducing agent in certain chemical reactions, and as a preservative for medications and cosmetics. It also finds utility in water treatment processes to dechlorinate water, as a component in certain gold extraction methods, and in the textile industry for removing excess chlorine from fabrics.

Overall, sodium thiosulfate anhydrous is a versatile compound with diverse applications, primarily known for its role in photography and as an antidote for cyanide poisoning.

Sodium Thiosulphate Anhydrous Price

If you are looking to purchase Sodium Thiosulphate Anhydrous, it’s important to know the current market price. Sodium Thiosulphate Anhydrous price can vary depending on the various factors. Vinipul Chemicals offers the best price in the market listed below: –

Product Range


Sodium Thiosulphate Anhydrous

Rs 65/kg

Prices shown above are provisional prices and may change due to different market conditions for latest prices

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Properties of Sodium Thiosulphate Anhydrous

Sodium thiosulfate anhydrous possesses several properties, which includes:

Physical state

Sodium thiosulfate anhydrous is a white crystalline solid at room temperature.


It is highly soluble in water, forming a clear solution. The solubility of Sodium thiosulfate anhydrous in water is approximately 70 grams per 100 millilitres at room temperature.


Sodium thiosulfate anhydrous is odorless.

Molecular formula

The chemical formula of sodium thiosulfate anhydrous is Na2S2O3, indicating that it contains two sodium (Na) atoms, two sulfur (S) atoms, and three oxygen (O) atoms

Molecular weight

The molar mass of sodium thiosulfate anhydrous is approximately 158.11 grams per mole.


Sodium thiosulfate anhydrous is stable under normal conditions but may decompose when exposed to high temperatures or strong acids


Aqueous solutions of sodium thiosulfate are slightly alkaline, typically having a pH around 9-10.


Sodium thiosulfate anhydrous has hygroscopic properties, meaning it can absorb moisture from the air.

Melting and boiling points

Sodium thiosulfate anhydrous melts at around 48.3 degrees Celsius (119 degrees Fahrenheit) and decomposes upon further heating without boiling.


The density of solid sodium thiosulfate anhydrous is approximately 1.67 grams per cubic centimetre.

Sodium Thiosulphate Anhydrous Applications

Sodium thiosulphate anhydrous has several applications across different industries. Here are some notable uses:

  1. Photography: Sodium thiosulphate anhydrous is widely employed in the field of photography as a fixing agent. It is used in the final step of film or print development to remove unexposed silver halide particles from the emulsion. This process stabilizes the image and prevents further light exposure from affecting it.
  2. Medical treatments: It serves as an important antidote for cyanide poisoning. When administered intravenously, Sodium thiosulphate anhydrous reacts with cyanide to form a less toxic compound, helping to neutralize its effects. It is an emergency treatment option in cases of cyanide exposure.
  3. Analytical chemistry: Sodium thiosulfate anhydrous is utilized in various analytical chemistry procedures. It is commonly used in titrations to determine the concentration of certain substances. It acts as a reducing agent in specific chemical reactions, facilitating the measurement of analytes.
  4. Water treatment: Sodium thiosulfate anhydrous finds application in water treatment processes, particularly for dechlorination. It is used to remove chlorine and chloramine from water, making it safer for various industrial and domestic purposes.
  5. Gold extraction: In certain gold extraction methods, it is employed as a leaching agent. Sodium thiosulphate anhydrous helps dissolve gold from ores or concentrates, offering an alternative to traditional cyanide-based extraction processes.
  6. Textile industry: Sodium thiosulfate anhydrous is utilized in the textile industry for chlorine removal. It is added to textile washing processes to neutralize residual chlorine, which can otherwise damage fabrics or affect their color.
  7. Preservative: Due to its ability to inhibit the growth of microorganisms, sodium thiosulfate anhydrous is used as a preservative in some medications and cosmetics. It helps prolong their shelf life and maintain their quality.

These are just a few examples of the applications of sodium thiosulfate anhydrous. Its diverse properties and chemical reactivity make it valuable in several industries, ranging from photography and medicine to chemistry and water treatment.

About Vinipul Chemicals

Vinipul Chemicals Pvt. Ltd. is a well-established and renowned company that excels in the manufacturing, supplying, and exporting of Sodium Thiosulphate Anhydrous. With a strong presence in the industry, Vinipul Chemicals is recognized for its exceptional expertise in producing high-quality Sodium Thiosulfate Anhydrous. The company is committed to delivering reliable and consistent products to meet the diverse needs of its global clientele. Vinipul Chemicals Pvt. Ltd. stands as a trusted name in the market, offering a comprehensive range of chemical solutions and maintaining a strong focus on customer satisfaction and product excellence.

Industries We Serve

Market Area

We supply and exports Sodium Thiosulphate Anhydrous in all parts of the world such as

Sodium Thiosulphate Anhydrous in Africa Countries

South Africa , Nigeria, Kenya, Ghana, Ethiopia, Tanzania, Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic (CAR), Chad, Comoros, Democratic Republic of the Congo, Côte d’Ivoire, Djibouti, Egypt, Equatorial Guinea, Eritrea, Gabon, Gambia, Guinea, Guinea-Bissau, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Nigeria, Rwanda, Sao Tome and Principe, Senegal, Seychelles, Sierra Leone, Somalia, South Sudan, Sudan, Swaziland, Togo, Tunisia, Uganda, Zambia, Zimbabwe.

Sodium Thiosulphate Anhydrous in Gulf Countries

Oman, Qatar, Kuwait, Saudi Arabia, Dubai, Bahrain, Iran, United Arab Emirates

Sodium Thiosulphate Anhydrous in Asia Countries

Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, China, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Oman, Pakistan, Palestine, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Syria, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen

We supply Sodium Thiosulphate Anhydrous in all parts of India.

Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Haryana, Himachal Pradesh, Jammu & Kashmir, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttarakhand, Uttar Pradesh and West Bengal.

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