09835
Fluka

Ammonium hydrogen difluoride

SKU
09835
Puriss. p.a., ≥98.5% (F)
Synonym(s)
Ammonium bifluoride; Etching powder
General Information:
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Brand
Fluka
UNSPSC Code
12352300
CAS Numbers (All) EC Number Linear Formula
NH4HF2
MDL Number RTECS Number
BQ9200000
Synonyms
Ammonium bifluoride; Etching powder

Documents

Specifications

PropertyValue
Identity (IR)complying
Assay of NH4HF2min. 98.5 %
Silver (Ag)max. 5 ppm
Aluminium (Al)max. 5 ppm
Barium (Ba)max. 5 ppm
Bismuth (Bi)max. 5 ppm
Calcium (Ca)max. 10 ppm
Cadmium (Cd)max. 5 ppm
Cobalt (Co)max. 5 ppm
Chromium (Cr)max. 50 ppm
Copper (Cu)max. 5 ppm
Iron (Fe)max. 100 ppm
Potassium (K)max. 50 ppm
Lithium (Li)max. 5 ppm
Magnesium (Mg)max. 5 ppm
Manganese (Mn)max. 5 ppm
Molybdenum (Mo)max. 5 ppm
Sodium (Na)max. 50 ppm
Nickel (Ni)max. 100 ppm
Lead (Pb)max. 5 ppm
Strontium (Sr)max. 5 ppm
Thallium (Tl)max. 5 ppm
Zinc (Zn)max. 5 ppm
Total S (as SO4)max. 100 ppm
Silicon (as NH4SiF6)max. 500 ppm
Chloride (Cl)max. 50 ppm
Sulfite (SO3)max. 50 ppm

Properties

PropertyValue
Boiling Point/RangeNot applicable
ColorColorless
Density1.500 g/cm3 (20 °C)
FlashpointNot applicable
FormFlakes
GradeACS Grade Salts
Incompatible MaterialsContact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked, Corrosive in contact wi
Lower Explosion LimitNot applicable
Melting Point/Range126 °C (1.013 hPa. Sublimation point)
Partition CoefficientNo data available
Product LinePuriss. p.a.
Purity Percentage98.5
Purity Details>=98.5%
Solubility in Water600 g/l (20 °C)
Storage TemperatureAmbient
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNot applicable
pH-Value2-3 (20 °C) (as aqueous solution)

Safety Information

PropertyValue
Hazard Class8
Package GroupII
UN IDUN1727
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