16906
Honeywell

Ammonium metatungstate hydrate

SKU
16906
Puriss. p.a., ≥99.0%
Synonym(s)
Ammonium tungsten oxide hydrate; Hexaammonium wolframate hydrate
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Brand
Honeywell
 CAS Numbers (All) EC Number Linear Formula
(NH4)6H2W12O40 · xH2O
 MDL Number
Molar Mass
2.956.30 g/mol
 RTECS Number
234-733-4
 Synonyms
Ammonium tungsten oxide hydrate; Hexaammonium wolframate hydrate

Documents

Safety Data Sheet (SDS) Safety Data Sheet (SDS)

Specifications

PropertyValue
assay of WO3Min. 85 %
loss on ignition (700°C)Max. 15 %
water insoluble matterMax. 0.005 %
calcium (Ca)Max. 10 ppm
cadmium (Cd)Max. 5 ppm
cobalt (Co)Max. 10 ppm
copper (Cu)Max. 5 ppm
iron (Fe)Max. 5 ppm
potassium (K)Max. 10 ppm
sodium (Na)Max. 10 ppm
nickel (Ni)Max. 5 ppm
lead (Pb)Max. 5 ppm
zinc (Zn)Max. 10 ppm

Properties

PropertyValue
Boiling Point/RangeNo data available
ColorBeige
Concentration>=99.00%
Density4 g/cm3
FlashpointNot applicable
FormCrystalline
GradeReagent Grade
Incompatible MaterialsStrong oxidizing agents
Lower Explosion LimitNo data available
Melting Point/Range100 °C (Decomposition)
Purity Percentage99.00
Purity Details>=99.00%
Solubility in WaterSoluble
Upper Explosion LimitNo data available
Vapor PressureNo data available
pH-Value2.1-4 at 1.050 g/l (20 °C)
Product LinePuriss. p.a.
Storage TemperatureAmbient

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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