Gold;trihydrate
Basic information
- CAS
1303-52-2- Standard SMILES
O.O.O.[Au]- InChIKey
PPOYUERUQZXZBE-UHFFFAOYSA-N- Molecular formula
- AuH6O3
- Average molar mass
- 251.013 g/mol
- Monoisotopic mass
- 250.998264
Names & identifiers
- Preferred name
- Gold;trihydrate
- IUPAC
- gold;trihydrate
- English name
- Gold hydroxide
- Molecular formula
- AuH3O3
- Molecular weight
- 247.99
Names & synonyms
gold;trihydrateGold(3+) trihydroxideSCHEMBL27964553GOLD HYDROXIDE, Au(OH)3GOLD(III) HYDROXIDEGOLD HYDROXIDEgold trihydrateGold trihydroxidegold(3+):trihydroxidegoldhydroxide(au(oh)3)Gold(III) hydroxide 79%Gold(1+) hydroxide (1:1)
Show more names
Gold(III) hydroxide,Au,79%Gold(III) hydroxide, 99.9%
Database identifiers
- CAS
1303-52-2- PubChem CID
- 102103
Properties
Computed structural properties
- Topological polar surface area
- 3 Ų
- Hydrogen bond donors
- 3
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 4
- Formal charge
- 0
- Complexity
- 3.2
Physicochemical properties
- Melting point
- 100 ℃ · decomposes at ~100℃ [LID94]
- solubility
- 2 O; · insoluble in H2O; soluble in acid solutions
- form
- Powder
- color
- brown
- Water Solubility
- Insoluble in water.
- Sensitive
- Light Sensitive
- Merck
- 14 · 14,4523
- Solubility Product Constant (Ksp)
- 45.26 · pKsp: 45.26
- Stability
- Stability May decompose upon exposure to light. Incompatible with strong oxidizing agents.
- InChI
- InChI=1S/Au.3H2O/h;3*1H2/q+3;;;/p-3
- InChIKey
- WDZVNNYQBQRJRX-UHFFFAOYSA-K
- SMILES
- [Au](O)(O)O
- CAS DataBase Reference
- 1303 · 1303-52-2(CAS DataBase Reference)
- FDA UNII
- 8 YE7R9L22G · 8YE7R9L22G
- EPA Substance Registry System
- 3 · Gold hydroxide (Au(OH)3) (1303-52-2)
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Safety data
- PPE
- dust mask type N95 (US), Eyeshields, Gloves
- wgk
- 3
- tsca
- TSCA listed
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-37/39
- Storage Class
- 11 - Combustible Solids
- target organs
- Respiratory system
- Hazard statements
- H315-H319-H335
- Hazard Classifications
- Eye Irrit. 2Skin Irrit. 2STOT SE 3
- Precautionary statements
- P261-P264-P271-P280-P302+P352-P305+P351+P338
Chemistry & industry
Applications
UsesSynthesis of gold hydroxide complexes with N-heterocyclic carbene has been reported. A variety of perfluoroaryls, N-heterocyclic and alkynyl compounds may be synthesized by reacting gold(III) hydroxide with C–H and N–H compounds and arylboronic acids. Potassium aurate may be prepared by heating auric hydroxide with conc. KOH. 3
UsesIn gold-plating solutions; for decorating porcelains.
Upstream & downstream products
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