Chloro(triisopropylphosphine)gold
Chloro(triisopropylphosphine)gold (CAS: 33659-45-9), with a molecular formula of C9H21AuClP and a molecular weight of 392.66 g/mol, is a gold complex utilised in advanced chemical synthesis. This compound serves as a valuable precursor and catalyst, particularly in organic reactions where gold catalysis enables unique transformations. Its properties make it an important reagent for researchers in catalysis and inorganic chemistry.
- IUPAC
- Chloro[tris(1-methylethyl)phosphine]gold

Gold Catalysis in Organic Synthesis
This gold complex functions as a catalyst in various organic transformations. It is instrumental in facilitating reactions that benefit from the unique electronic properties of gold, enabling sophisticated synthetic routes.
Precursor for Gold Complexes
It can serve as a starting material for the synthesis of more complex gold-containing compounds. Researchers utilise it to construct novel organometallic structures with potential applications in catalysis and materials science.
Research in Catalysis and Inorganic Chemistry
The compound is employed in academic and industrial research settings to explore new catalytic methodologies and to study the fundamental aspects of gold chemistry. Its defined structure and reactivity are key to these investigations.
| Molecular weight | 392.66 |
|---|---|
| Empirical formula | C9H21AuClP |
| Assay | 97% |
| Application | Gold Catalysts — 21st Century ′Gold Rush′ |
| Melting point | 187-191 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-45 |
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(triisopropylphosphine)gold used for?
+
Chloro(triisopropylphosphine)gold is primarily used as a catalyst in organic synthesis and as a precursor for synthesizing other gold complexes. It is valuable in research for catalysis and inorganic chemistry.
What is the CAS number and molecular formula for Chloro(triisopropylphosphine)gold?
+
The CAS number for Chloro(triisopropylphosphine)gold is 33659-45-9. The empirical formula is C9H21AuClP.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Chloro(triisopropylphosphine)gold with a purity of 97%. This product is supplied for research and development purposes and is not intended for USP, BP, EP, or pharmaceutical use unless explicitly stated otherwise.
What are the safety considerations when handling Chloro(triisopropylphosphine)gold?
+
This compound is classified as toxic if swallowed (H301) and requires careful handling. Users must follow appropriate safety protocols, including wearing protective equipment and working in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.
How is Chloro(triisopropylphosphine)gold packed and shipped?
+
As per UN 2811 (Toxic solid, organic, n.o.s.), Chloro(triisopropylphosphine)gold is packaged and shipped according to stringent regulations for hazardous materials. TSS ensures compliant export and global distribution.
How can I request a quote or sample of Chloro(triisopropylphosphine)gold?
+
To request a quote or a sample, please contact our sales department through the TSS website or by email, providing your contact details and the product information (CAS 33659-45-9).
▶ 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