Molekula
Gold (III) hydroxide, 99.9% (Cl < 100ppm)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Gold (III) hydroxide, 99.9% (Cl < 100 ppm) is a high-purity inorganic compound used in catalysis, nanomaterial synthesis, and specialized chemical research. It appears as a brownish precipitate and is sensitive to light and heat. CAS: 1303-52-2, Molecular formula: AuH3O3, Molecular weight: 247.99 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies Gold (III) hydroxide, 99.9% (Cl < 100 ppm) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £308.10 per pack ex VAT · £369.72 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 23620799 |
| CAS Number | 1303-52-2 |
| Molecular Formula | AuH3O3 |
| Molecular Weight | 247.99 |
| SMILES | [OH-].[OH-].[OH-].[Au+3] |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2843.30.00.00 |
| Tariff Code | 2843300000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Gold (III) hydroxide used for?
It is primarily used in catalysis, material science research, and as a precursor for gold-based nanomaterials.
What is the chemical formula and molecular weight of Gold (III) hydroxide?
The formula is AuH3O3 with a molecular weight of 247.99 g/mol.
How should Gold (III) hydroxide be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Gold (III) hydroxide is available?
Available in 99.9% purity with chloride content below 100 ppm.
Can Molekula supply Gold (III) hydroxide in bulk?
Yes, bulk quantities are available upon request—please contact our sales team for details.
What documentation comes with a purchase of Gold (III) hydroxide?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.