Top China Manufacturer of 87-51-4 | Wholesale and Supply for Export

Hangzhou J&h Chem Co, Ltd. is a leading manufacturer, supplier and factory of chemical products in China. One of our best products is 87-51-4, which is also known as 3-Aminophthalhydrazide. It is widely used in industries such as pharmaceuticals, dyes and pigments, and organic synthesis.

87-51-4 has a molecular formula of C8H9N3O and a molecular weight of 163.175 g/mol. It is a white to yellow crystalline powder with a purity of 98% or above. It is soluble in water, ethanol, and chloroform, and has a melting point range of 300-303°C.

Our 87-51-4 product is manufactured with the highest quality materials and under strict quality control standards to ensure maximum safety and effectiveness. It is widely recognized by our customers for its excellent quality, reasonable price, and reliable supply capacity.

If you are looking for a trusted supplier of 87-51-4 or any other chemicals, Hangzhou J&h Chem Co, Ltd. is the right choice for you. Contact us today to learn more about our products and services.

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  • Thiourea dioxide (CAS No. 87-51-4) is a versatile chemical compound that is widely used in various applications across different industries. Also known as formamidine sulfinic acid, thiourea dioxide is a white crystalline powder that exhibits excellent reducing properties. In the textile industry, thiourea dioxide is used as a bleach for natural fibers like wool, silk, and cotton. It is also used as a fixing agent for reactive dyes and as a reducing agent for sulfur dyes. Thiourea dioxide is an effective agent for removing excess dye from the textile fibers, ensuring consistent coloration. In the pulp and paper industry, thiourea dioxide is used as a bleaching agent for chemically-treated pulp. It is a cost-effective and environmentally-friendly alternative to chlorine-based bleaches that can pollute waterways. Thiourea dioxide is also used in the photographic industry as a photographic fixing agent. It acts as a reducing agent, converting the silver ions that are left over after the development process into metallic silver. This process stabilizes the image and prevents fading. In the cosmetic industry, thiourea dioxide is used as an ingredient in hair coloring products. It helps to remove residual color and impurities from the hair before applying the dye, improving the color absorption and resulting in a more vibrant and long-lasting color. Overall, thiourea dioxide is a versatile and useful chemical compound that finds multiple applications in diverse industries. Its effective reducing properties make it an essential ingredient in textile, pulp and paper, photographic, and cosmetic industries.

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