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Hydrofluoric acid

CAS No.: 7664-39-3

Molecular formula: HF

Molecular weight: 20.01

Property: Clear, colorless and fuming liquid, volatile.

Use: Raw material for the production of organic fluoride products and inorganic fluoride.

Standard: National Standard GB 7744-2008

Item Index
Class I Class II
HF-I-40 HF-I-55 HF-I-70 HF-II-30 HF-II-40 HF-II-50 HF-II-55
Hydrofluoric Acid(HF)% ≥ 40 55 70 30 40 50 55
Fluorosilicic Acid(H2SiF6)% ≤ 0.05 2.5 5.0 8.0 10.0
Non-volatile Acid(H2SO4)% ≤ 0.05 0.08 0.08 1.0 1.0 2.0 2.0
Ignition Residue % ≤ 0.05 -

Packing: Tank car or PP plastic drum.

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