Product Overview

Product Features

• Broad-Spectrum Activity: Inhibits gram-positive/negative bacteria and fungi (e.g., Malassezia).
• High Stability: Resists UV degradation; maintains efficacy in outdoor formulations.
• Low Water Solubility: ~8 ppm in water, ideal for long-term protection in coatings.
• Good Compatibility: Works with most polymers, surfactants, and cosmetic ingredients.
• Certified Quality: Meets USP/EP standards; COA, MSDS, TDS available.

Physical & Chemical Properties

Physical Properties

1. Appearance: White-to-off-white crystalline powder
2. Molecular Formula: C10H8N2O2S2Zn
3. Molecular Weight: 317.7
4. Density: 1.782 g/cm3 (25°C)
5. Melting Point: 262°C (decomposes)
6. Solubility: <0.1 g/100 mL (water, 21°C); soluble in DMSO/DMF
7. pH: 6.0–7.5 (10% suspension)
8. Purity: ≥98% (industrial grade); ≥99% (cosmetic grade)

Chemical Properties

1. Antimicrobial Mechanism: Disrupts microbial membrane transport and proton pump function.
2. Stability: Stable in dry air; decomposes under strong UV/heat (>280°C).
3. Incompatibility: Avoid strong oxidants, reducing agents, and heavy metal salts.

Applications

1. Personal Care: Anti-dandruff shampoo, scalp treatments, and skincare (0.5–2% concentration).
2. Industrial Fungicides: Latex paints, coatings, adhesives, and sealants (prevents mold/algae).
3. Plastics & Polymers: PP, PVC, and rubber antimicrobial additives (inhibits bacterial growth).
4. Textiles & Paper: Antimicrobial finishing for fabrics, non-wovens, and paper products.
5. Marine Coatings: Anti-fouling agent for ship hulls (prevents barnacle/mussel attachment).

Storage & Transportation

Storage

• Conditions: Cool, dry, ventilated warehouse; sealed to avoid moisture/UV exposure.
• Temperature: 10–25°C; keep away from direct sunlight.
• Shelf Life: 24 months (original packaging).

Transportation

• Classification: Non-hazardous goods.
• Packaging: 25kg/drum (inner plastic, outer cardboard); 500kg/1000kg big bag optional.
• Precautions: Avoid collision, extrusion, rain, and moisture; do not mix with oxidants.

Operation Notes

• Wear dust mask, safety goggles, and chemical-resistant gloves.
• Operate in well-ventilated areas; avoid dust inhalation.
• In case of skin/eye contact, rinse with plenty of water for 15 minutes.

Regulatory Information

• EINECS: 236-671-3
• HS Code: 29349990
• Compliance: REACH, RoHS, FDA (21 CFR 176.170), EU Cosmetic Regulation 1223/2009

Full Parameter Table