Sodium hydrosulfite 90%
Sodium hydrosulfite 90%, also known as sodium dithionite (Na₂S₂O₄), is a powerful reducing agent widely used in industrial and chemical applications. With a purity level of 90%, this compound typically appears as a white to off-white crystalline powder, although it may sometimes have a slight yellowish or grayish tint due to partial oxidation. It is highly soluble in water and decomposes rapidly in moist air or acidic environments, releasing sulfur dioxide and other decomposition products. Proper storage in airtight, moisture-proof containers under cool, dry conditions is essential to maintain its stability and effectiveness.
One of the primary uses of sodium hydrosulfite 90% is in the textile industry, where it serves as a key bleaching and reducing agent in vat dyeing and sulfur dyeing processes. It helps reduce insoluble dyes into their soluble leuco forms, enabling them to bond effectively with fabric fibers such as cotton, rayon, and linen. Its strong reducing properties make it ideal for removing excess dyes and achieving consistent coloration during printing and finishing operations.
Beyond textiles, sodium hydrosulfite finds application in the paper industry for the bleaching of wood pulp, enhancing brightness without degrading cellulose fibers significantly. It is also employed in water treatment, organic synthesis, and as a oxygen scavenger in various chemical processes to prevent oxidation. In addition, it is used in some photographic developing techniques and environmental remediation efforts.
Despite its utility, sodium hydrosulfite is sensitive to heat, moisture, and air, which can lead to spontaneous combustion under certain conditions. Therefore, handling requires caution—appropriate protective equipment, good ventilation, and avoidance of contact with acids or oxidizing agents are crucial for safe use.
In summary, Sodium Hydrosulfite 90% is a versatile and efficient chemical reagent prized for its strong reducing capabilities across multiple industries, especially in dyeing and bleaching, provided it is stored and handled correctly to ensure safety and performance.
| Company Name | GLGF LIMITED | Country/Region | China |
| Business Type | business_type_options | Company Size | 1000 |
| Established | March 7, 2025 | ||
| Address | |||
| Main Products | PVC Resin , PP , PE , Pet , Titanium Dioxide , Pigment , Car Tire | ||
| International Commercial Terms(Incoterms): | operate | ||
| tdd-global@toodudu.com | LC, T/T, D/P | ||
| 400-880-7283 | Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays | ||
About Beijing United Information Technology Co., Ltd.
Beijing United Information Technology Co., Ltd. (Stock Code: 603613. SH), founded in 2002 and listed on the Main Board in July 2019, is mainly engaged in industrial e-commerce and industrial Internet platforms. Based on industrial e-commerce and supported by industrial big data and industrial digitalization, the company provides online commodity trading, business information services, and digital technology services for industrial products and raw materials in related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
About GLGF LIMITED
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GLGF LIMITED is the core subsidiary of Guolian Corporation (Stock Code: 603613.SH) and the first industrial Internet platform of Duoduo Series Platforms. The company mainly engages in B2B e-commerce transaction services for raw materials and industrial products, digital supply chain services, industrial digitalization services, and industrial big data services, and is committed to promoting the deep integration of traditional industries with new technologies such as the Internet, Internet of Things, big data, intelligent manufacturing, and blockchain, etc.
Our company offers a variety of products that can meet your multifarious demands. We adhere to the management principles of "quality first, customer first, and credit-based" since the establishment of the company and always do our best to satisfy the potential needs of our customers.
Our company is sincerely willing to cooperate with enterprises from all over the world to realize a win-win situation since the trend of economic globalization has developed with an irresistible force. |
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Our Advantages:
Rich Experience-over 20 years in the industry field
Ranges of product categories with quality guarantee
Competitive & Favorable price
7*24 hours thoughtful pre-sale, on-sale, after-sale service
Overseas warehouse with all-time delivery
Our services:
In order to better satisfy our customers worldwide and maintain regular customers, our company takes raw material & industrial product B2B e-commerce transaction service, digital supply chain service, industry digitization service, and industry data service as its primary business, focusing on promoting the deep integration between new technology and traditional industry, such as Internet, Internet of Things, big data, intelligent manufacturing, and blockchain.

