Ammonium hydrogen difluoride 95%, extra pure

Supplier: Thermo Scientific
Danger

Synonyms: Ammonium bifluoride, Ammonium hydrogen fluoride

208820010 208820050 208822500
ACRO208820010EA 256 GBP
ACRO208820010 ACRO208820050 ACRO208822500
Ammonium hydrogen difluoride 95%, extra pure
Ammonium hydrogen difluoride
Formula: NH₄HF₂
MW: 57,04 g/mol
Melting Pt: 125 °C
Density: 0,8 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00012018
CAS Number: 1341-49-7
EINECS: 215-676-4
UN: 1727
ADR: 8,II
Merck Index: 13,00498

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Specification Test Results

Appearance White Flakes or scales
Water ≤0.5 % (K.F.)
Titration with NaOH ≥94 %
Sulfite (SO3) ≤100 ppm
Sulfate (SO4) ≤2000 ppm
Iron (Fe) ≤500 ppm
Heavy metals (as Pb) ≤200 ppm
Impurity ≤5 % (Ammonium fluoride (NH4F))

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