Dyeing and Pigments

Chemical Name: Sodium fluoride
CAS No.: 7681-49-4
Molecular Formula: NaF
Molecular Weight: 41.99 g/mol
Assay: ≥98.0%
Appearance: White crystals

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Specifications

Parameter	Specification
Assay (NaF)	≥98.0%
Silicon dioxide (SiO₂)	≤0.5%
Acidity (as HF)	≤0.1%
Sulfate (SO₄²⁻)	≤0.3%
Sodium carbonate (Na₂CO₃)	≤0.5%
Water-insoluble matter	≤0.7%
Moisture	≤0.5%

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Applications

• Metal Processing:
  • Steel & metal cleaning fluid
  • Flux for welding & smelting
  • Phosphating agent for black metal surface treatment (improves corrosion resistance)
• Ceramics & Glass:
  • Flux for ceramics, glass, and enamel production
  • UV protection in glass manufacturing
• Construction:
  • Concrete additive (enhances durability & corrosion resistance)
  • Sealing materials & brake pad additive (improves wear resistance)
• Leather Industry:
  • Leather & skin treatment agent

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Packaging & Shipping

• 25 kg/drum (standard)
• Custom packaging available per buyer’s requirements

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Storage & Handling

• Store in a cool, dry, ventilated warehouse
• Keep containers tightly sealed to prevent moisture absorption
• Separate from:
  • Strong acids
  • Heat sources & open flames
• Follow standard chemical safety protocols for transport

Disclaimer:

The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

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