Thiourea 99% (CS(NH2)2) is classified as a dangerous chemical with the following properties:

• Appearance: White crystal powder
• Density: 1.405
• Molecular weight: 76.12
• Melting point: 171-175℃
• Boiling point: 349 to 352°F (NTP, 1992)

CAS: 62-56-6

Products meets GB/8218-2018:

• Molecular weight: 76.12 g/mol
• Appearance: White or light yellow crystalline powder, glossy
• Odor: Odorless or slightly sulphide odor
• Density: 1.405 g/cm³ (20°C)
• Chemical Safety: Class 6.1 toxic substances
• Solubility: Water (about 13.7g/100 mL, 20°C); slightly soluble in ethanol
• Acid base: Weakly basic, can react with acids to form salts
• Reducibility: Can be oxidized by oxidants (hydrogen peroxide, potassium permanganate)
• Complexation: Forms complexes with metal ions (Ag+, Au+, Cu²+)
• Thermal stability: Decomposes above melting point, producing ammonia and hydrogen sulfide
• Hydrolysis reaction: Produces urea and hydrogen sulfide under acidic/alkaline conditions

• Metal extraction and refining: Used in precious metal extraction as leaching agent
• Corrosion inhibitor: Protects metals during pickling and surface treatment
• Plating additive: Improves coating uniformity and gloss in electroplating

• Antithyroid drugs: Key ingredient in hyperthyroidism treatment
• Anticancer research: Derivatives show potential activity
• Protein studies: Used in denaturation and folding mechanism research

• Fungicides and insecticides: Controls crop diseases
• Plant growth regulator: Promotes seed germination or delays aging

• Developer: Used in film development
• Stabilizer: Improves image quality in processing

• Dye auxiliaries: Improves color fixing and uniformity
• Fiber treatment: Enhances softness or wrinkle resistance

• Chemical reagent: Used in compound synthesis
• Analytical chemistry: Detects and separates metal ions

• Rubber industry: Vulcanization accelerator
• Water treatment: Removes heavy metal ions
• Cosmetics: Used as antioxidant or stabilizer

• Leading technology: Advanced production processes and continuous R&D
• Product diversity: Wide range of chemical products with customization options
• Reliable quality: Strict quality control and international certifications
• Environmental protection: Green production processes and safety compliance
• Cost advantage: Large-scale production and localized resources
• Customer service: Professional technical support and rapid response
• Market recognition: Strong industry reputation and long-term customers
• Global layout: Worldwide exports and international support team