Gold
Gold (CAS 7440-57-5), molecular formula Au, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic 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 | 196.97 |
|---|---|
| Empirical formula | Au |
| Assay | 99.99% trace metals basis |
| Form | powder |
| Boiling point | 2808 °C(lit.) |
| Density | 19.3 g/mL at 25 °C(lit.) |
| Refractive index | n20/587 1.523 |
| Melting point | 1063 °C(lit.) |
| Concentration | ~0.01% HAuCl4~1 A520 units/mL |
| Storage temperature | 2-8°C |
| Particle size | 5 nm |
| Contains / stabiliser | 0.02% sodium azide as preservative |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 2.05 μΩ-cm, 0°C |
|---|---|
| Size | 10-20 μm |
| Thickness | 0.25 mm |
| Transmittance | 380-700, >91% (for the glass microscope slide alone) |
| Mean Particle Size | 3.0-5.5 nm (monodisperse) |
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 Gold?
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Gold (CAS 7440-57-5), molecular formula Au, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to USP, BP and EP standards.
What grades of Gold does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Gold 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 Gold?
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Gold has CAS number 7440-57-5 and molecular formula Au. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Gold?
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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?
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Yes. Every batch of Gold 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 Gold be stored?
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Store Gold 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 Gold used for?
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Gold is used in catalysis & inorganic 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 Gold?
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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.
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