Certificate of Analysis-COA
ITEM | SPECIFICATION | RESULT | CONCLUSION |
Appearance | White or Off-white crystalline powder | White crystalline powder | Comply |
pH (1%, 20℃) | 11.0~12.0 | 11.7 | Comply |
Assay (%W/W) | ≥96.0 | 96.8 | Comply |
Heavy metal (Pb), PPM(mg/kg) | ≤10.0 | — | Comply |
Iron (Fe), PPM(mg/kg) | ≤5.0 | — | Comply |
Arsenic (As), PPM(mg/kg) | ≤5.0 | — | Comply |
Applications
1. Depilatory & Hair Care Formulations A classic reducing agent for depilatory creams and hair waving products. Effectively breaks disulfide bonds in hair keratin for smooth, efficient hair removal and styling, delivering consistent performance in personal care manufacturing.
2. Leather Unhairing An environmentally friendly alternative to sodium sulfide in leather unhairing processes. Provides efficient hair removal with lower effluent load and reduced environmental impact while protecting leather quality.
3. Cosmetics & Personal Care A mild, effective active ingredient for cosmetic depilatory and hair care formulations. Consistent purity and controlled impurity profile support stable, safe product quality for consumer use.
4. Chemical Synthesis & Thioglycolate Derivatives A versatile source of thioglycolate for synthesizing thioester and mercapto derivatives. Tight quality control and consistent assay support reproducible yields in fine chemical production.
5. Metal Treatment & Specialty Applications Used in metal surface treatment and specialty formulations requiring reducing or chelating properties. Stable quality and reliable supply support continuous industrial operations.
6. Laboratory & Research Applications A standard thioglycolate reagent for biochemical and chemical research. High purity and stable composition deliver accurate, repeatable experimental results.
Production Line
We operate 10+ production lines, backed by a well-stocked raw material warehouse.
Our workshop is equipped with automated machinery — ensuring high consistency and precision on every order, from trial samples to full container loads.
Every order follows a standardized workflow. Key quality control points are set at every stage.
Factory Area
Standardized Process Flow
Production Capacity
Located in Shandong, our factory is approximately 300km from Qingdao Port, enabling fast and cost-effective delivery to customers worldwide.