Ammonium Tetrathiotungstate


Product # 1090
Name Ammonium Tetrathiotungstate
Synonyms Ammonium thiotungstate (Vi)
Formula (NH4)2WS4
Purity 99.9%
CAS Number 13862-78-7
Molecular Weight 348.18
Color & Form Yellow to orange crystal
Specific Gravity 2.71 gm/ml
Solubility Soluble


10 gm $90.00
25 gm $200.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
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Transportation Information Not a dangerous good
Pictogram Pictogram: Irritant 
Signal Word Warning
Hazardous Statements

H315  Causes skin irritation.

H319  Causes serious eye irritation.

H335  May cause respiratory irritation.

Precautionary Phrases

P261  Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338  IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Bismuth

Bismuth is a brittle crystalline which is slightly pinkish in its elemental form.

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