Chloro(trimethylphosphine)gold(I)
Chloro(trimethylphosphine)gold(I) (CAS: 15278-97-4) is a gold complex with the linear formula (CH3)3PAuCl and a molecular weight of 308.50 g/mol. This compound is primarily recognised for its utility as a gold catalyst, contributing to a significant advancement in catalytic processes. It serves as a valuable reagent in chemical synthesis and inorganic chemistry, supporting research and development in various chemical disciplines.
- IUPAC
- (Trimethylphosphine)gold(I) chloride
- Synonyms
- (Trimethylphosphine)gold(I) chloride

Gold Catalysis
This compound functions as a key gold catalyst, playing a role in what is described as a 'Gold Rush' in 21st-century chemistry. It enables various catalytic transformations, advancing synthetic methodologies.
Chemical Synthesis
As a specialised reagent, Chloro(trimethylphosphine)gold(I) is employed in complex organic synthesis. Its unique properties facilitate specific chemical reactions, supporting the creation of intricate molecular structures.
Inorganic Chemistry Research
The compound is utilised in the study and application of inorganic compounds, particularly those involving gold. It contributes to fundamental research in coordination chemistry and organometallic complexes.
| Molecular weight | 308.50 |
|---|---|
| Linear formula | (CH3)3PAuCl |
| Assay | 99% |
| Application | Gold Catalysts — 21st Century ′Gold Rush′ |
| Melting point | 230 °C (dec.)(lit.) |

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) | 26-36 |
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 Chloro(trimethylphosphine)gold(I) used for?
+
Chloro(trimethylphosphine)gold(I) is primarily used as a gold catalyst in chemical synthesis and for research in catalysis and inorganic chemistry.
What is the CAS number and formula for Chloro(trimethylphosphine)gold(I)?
+
The CAS number is 15278-97-4 and the linear formula is (CH3)3PAuCl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Chloro(trimethylphosphine)gold(I) with an assay of 99%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling precautions for this chemical?
+
This compound is a Warning material, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended PPE includes a dust mask (type N95), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is Chloro(trimethylphosphine)gold(I) packed, shipped, and exported?
+
We ensure robust packaging suitable for chemical transport. As a global supplier, Tech Serve Solutions exports this product worldwide, adhering to all relevant shipping regulations.
How can I request a quote or sample?
+
To request a quote or a sample of Chloro(trimethylphosphine)gold(I), please contact our sales department through the website or by phone.
▶ Related products

Benzeneruthenium(II) chloride dimer
Ru2(C6H6)2Cl4
Catalysis & Inorganic
Benzoylferrocene
C17H14FeO
Catalysis & Inorganic
Benzyldiphenylphosphine
C6H5CH2P(C6H5)2
Catalysis & Inorganic
Beryllium
Be
Catalysis & Inorganic
Beryllium oxide
BeO
Catalysis & Inorganic![Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer — chemical structure, CAS 12257-42-0; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F12257-42-0.png&w=3840&q=75)
Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer
Catalysis & Inorganic
![Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluorobo — chemical structure, CAS 1228149-03-8; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1228149-03-8.png&w=3840&q=75)
Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluorobo
1-d:1′
Catalysis & Inorganic![Bis[(2-dimethylamino)phenyl]amine nickel(II) chloride (C16H20ClN3Ni) — chemical structure, CAS 1033772-47-2; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1033772-47-2.png&w=3840&q=75)
Bis[(2-dimethylamino)phenyl]amine nickel(II) chloride
C16H20ClN3Ni
Catalysis & Inorganic▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis