Ultra-high purity standard

Purity ≥99.5% (HPLC test), mercaptan content (-SH) ≥99.0%, moisture content ≤0.1%, heavy metal content ≤1ppm (in accordance with USP/EP standard)

Excellent chemical properties

Molecular formula: C3H6O2S, Molecular weight: 106.14, Boiling point: 110-112°C (10mmHg), Flash point: >110°C, Density: 1.218 g/cm³ (25°C)

Special Quality Assurance

Colorless to slightly yellow transparent liquid, characteristic mercaptan odor (can be reduced by special process), peroxide content ≤10ppm, residual solvent content ≤0.05%

Stability performance

Long-term stability under nitrogen protection, recommended storage temperature 2-8°C, sealed and protected from light storage period ≥ 24 months

Application Performance Advantages

Excellent coordination ability (forming stable complexes with metal ions), efficient free radical trapping ability, good water solubility and organic solvent compatibility,

controllable reactivity (pH-dependent)

Special Processing

Molecular distillation purification technology, low-temperature inert gas protection production process, three-stage filtration and purification system (0.2μm terminal filtration)

Quality Approvals

Compliance with USP/EP/JP Pharmacopoeia standards, ISO 9001:2015 quality management certification, REACH registration completed, complete COA/MSDS documentation

provided.