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Ammonium tetrathiotungstate

CAS 13862-78-7(NH4)2WS4Salts

Ammonium tetrathiotungstate (CAS: 13862-78-7), with the molecular formula (NH₄)₂WS₄ and a molecular weight of 348.18 g/mol, is a crystalline solid. This compound serves as a key building block in the synthesis of transition metal sulfide cluster compounds. It is primarily utilized in materials science and research for creating novel sulfide-based materials and complexes.

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Ammonium tetrathiotungstate ((NH4)2WS4) — chemical structure, CAS 13862-78-7; Chemistry, fine chemical supplied by Tech Serve Solutions
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01 /Applications

Synthesis of Metal Sulfide Clusters

Ammonium tetrathiotungstate is a fundamental precursor for generating diverse transition metal sulfide clusters. It has been employed in the low-temperature synthesis of heterometallic sulfide clusters, often stabilized by phosphine ligands like dppm.

Materials Science Research

This compound is valuable in materials science for the development of new sulfide-based materials. Its unique structure allows for the exploration of novel compounds with potential applications in catalysis or advanced materials.

Inorganic Chemistry Synthesis

It acts as a versatile reagent in inorganic synthesis, enabling the formation of complex sulfur-containing tungsten compounds. This is crucial for advancing the understanding and application of coordination chemistry.

02 /Properties
Molecular weight348.18
Linear formula(NH4)2WS4
Assay≥99.9% trace metals basis
Formcrystalline
Density2.71 g/mL at 25 °C(lit.)
ApplicationThis classic building block for transition metal sulfide cluster compounds was recently used in a low-temperature, solid state synthesis of a new series of heterometallic sulfide clusters stabilized with dppm [bis(diphenylphosphino)methane] ligands.1
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Transport (UN / ADR)UN 3335
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26-37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
13862-78-7
MDL number
MFCD00061410
PubChem substance
24860418
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Ammonium tetrathiotungstate used for?

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Ammonium tetrathiotungstate is primarily used as a building block for synthesizing transition metal sulfide cluster compounds and in materials science research for developing novel sulfide-based materials.

What is the CAS number and formula for Ammonium tetrathiotungstate?

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The CAS number is 13862-78-7 and the linear formula is (NH₄)₂WS₄.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Ammonium tetrathiotungstate with an assay of ≥99.9% trace metals basis. This product is not represented as USP, BP, EP, or other pharmacopoeial grades.

How should Ammonium tetrathiotungstate be handled safely?

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Ammonium tetrathiotungstate is classified as a Warning hazard (GHS07), with specific hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid dust formation.

Is Ammonium tetrathiotungstate packed, shipped, or exported by TSS?

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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Ammonium tetrathiotungstate, and provides appropriate packaging and shipping solutions.

How can I request a quote or sample for Ammonium tetrathiotungstate?

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To request a quote or sample for Ammonium tetrathiotungstate, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.

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