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 (Nh4)2Sif6Max. 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
Purity Percentage98.5
Purity Details>=98.5%
Solubility in Water600 g/l (20 °C)
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNot applicable
pH-Value2-3 (20 °C) (as aqueous solution)
Product LinePuriss. p.a.
Storage TemperatureAmbient

Safety Information

PropertyValue
Hazard Class8
Package GroupII
UN IDUN1727
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