Gold(III) hydroxide
Gold(III) hydroxide (CAS: 1303-52-2), with the chemical formula Au(OH)3, is a chemical compound with a molecular weight of 247.99 g/mol. This gold salt is typically supplied as a powder. It finds application in various material science and research-oriented fields, often serving as a precursor or intermediate in the synthesis of other gold-containing materials and compounds.

Catalysis
Gold compounds are increasingly investigated for their catalytic properties in various organic transformations and oxidation reactions.
Materials Science Precursor
Serves as a starting material for the synthesis of novel gold-based nanomaterials, thin films, and other advanced materials with unique electronic or optical properties.
Research and Development
Utilised in academic and industrial laboratories for fundamental research into gold chemistry, its properties, and potential new applications.
| Molecular weight | 247.99 |
|---|---|
| Linear formula | Au(OH)3 |
| Form | powder |

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 |
|---|---|
| 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
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.
What is Gold(III) hydroxide used for?
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Gold(III) hydroxide is primarily used as a precursor in materials science for the synthesis of gold-based nanomaterials and in chemical research exploring the properties and applications of gold compounds.
What is the CAS number and chemical formula for Gold(III) hydroxide?
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The CAS number for Gold(III) hydroxide is 1303-52-2, and its chemical formula is Au(OH)3.
What grade and purity does Tech Serve Solutions supply for Gold(III) hydroxide?
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Tech Serve Solutions supplies Gold(III) hydroxide in powder form. The specific assay and purity are available upon request. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling guidelines for Gold(III) hydroxide?
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Gold(III) hydroxide is classified with the signal word 'Warning' and has hazard statements H315, H319, and H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Recommended personal protective equipment includes a dust mask (type N95 US), eyeshields, and gloves. Handle in a well-ventilated area.
Is Gold(III) hydroxide a controlled substance?
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The provided data does not indicate that Gold(III) hydroxide is a controlled substance.
How is Gold(III) hydroxide packed and shipped?
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Gold(III) hydroxide is shipped as a powder. Specific packaging details for export and shipment can be discussed with our sales team.
How can I request a quote or sample of Gold(III) hydroxide?
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To request a quote or sample of Gold(III) hydroxide, please contact our sales department through the website or by phone.
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