Ammonium tetrathiotungstate
Ammonium tetrathiotungstate (CAS 13862-78-7), molecular formula (NH4)2WS4, is a high-purity chemical supplied by Tech Serve Solutions for salts applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
| Molecular weight | 348.18 |
|---|---|
| Linear formula | (NH4)2WS4 |
| Assay | ≥99.9% trace metals basis |
| Form | crystalline |
| Density | 2.71 g/mL at 25 °C(lit.) |
| Application | This 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 |
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 equipment | dust 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.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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.
What is Ammonium tetrathiotungstate?
+
Ammonium tetrathiotungstate (CAS 13862-78-7), molecular formula (NH4)2WS4, is a high-purity chemical supplied by Tech Serve Solutions for salts applications, to USP, BP and EP standards.
What grades of Ammonium tetrathiotungstate does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Ammonium tetrathiotungstate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Ammonium tetrathiotungstate?
+
Ammonium tetrathiotungstate has CAS number 13862-78-7 and molecular formula (NH4)2WS4. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Ammonium tetrathiotungstate?
+
Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
+
Yes. Every batch of Ammonium tetrathiotungstate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Ammonium tetrathiotungstate be stored?
+
Store Ammonium tetrathiotungstate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Ammonium tetrathiotungstate used for?
+
Ammonium tetrathiotungstate is used in salts applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Ammonium tetrathiotungstate?
+
Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
▶ Related products
Sodium bisulfate monohydrate
Salts
Aluminum acetate, basic
Salts
Aluminum fluoride
AlF3
Salts
Aluminum fluoride trihydrate
AlF3·3H2O
Salts
Aluminum hydroxide
Al(OH)3
Salts
Aluminum hydroxide hydrate
Al(OH)3 · xH2O
Salts
Aluminum iodide
AlI3
Salts
Aluminum metaphosphate
Al(PO3)3
Salts
