Dyeing and Pigments

Chemical Name: Zinc Sulfide
CAS No.: 1314-98-3
Molecular Formula: ZnS
Molecular Weight: 97.47 g/mol
Assay: ≥99.0%
Appearance: Cubic crystals or light yellow powder

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Specifications

Parameter	Specification
Purity	≥99%
Particle Size	3–5 μm
Water Content	≤0.8%
Fe Content	<10 mg/kg
Cu Content	<0.3 mg/kg
Ni Content	<5.0 mg/kg
Cd Content	<0.3 mg/kg
Mn Content	<0.2 mg/kg
pH (10% slurry)	6.0–7.0
D50	≤0.2 μm
SO₄²⁻ Content	≤0.2%
Cl⁻ Content	≤10 mg/kg

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Applications

• Optical Coatings:
  • Anti-reflective coatings for laser windows & optical filters
  • Infrared (IR) transmission materials
• Pigments & Paints:
  • Luminescent pigments (e.g., glow-in-the-dark materials)
  • White pigment in plastics and ceramics
• Industrial Uses:
  • Additive in glass manufacturing (UV-blocking)
  • Catalyst in vulcanizing rubber (curing oil)

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Packaging & Shipping

• Standard: 20 kg/drum (moisture-proof lined)
• Custom packaging available per buyer’s requirements

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Storage & Handling

• Conditions:
  • Store in a dry, ventilated warehouse
  • Temperature: <30°C (avoid humidity)
• Protection:
  • Keep containers sealed (hygroscopic)
  • Avoid: Sunlight, heat sources, and acidic vapors

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Safety & Compliance

• GHS Hazard Statements:
  • H413: May cause long-lasting harmful effects to aquatic life
• Recommended PPE: Dust mask, gloves, and safety glasses

Disclaimer:

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