Bis(triphenylsilyl) chromate
Bis(triphenylsilyl) chromate (CAS: 1624-02-8), with the molecular formula [(C6H5)3SiO]2CrO2 and a molecular weight of 634.79 g/mol, is a silyl chromate derivative. It serves as a key reactant in the characterisation of chromium-silica catalysts using XPS and XRD. This compound is also recognised for its utility as a catalyst in olefin polymerisation, including ethylene polymerisation, and in benzylic oxidations via phase transfer catalysis.
- IUPAC
- Bis(triphenylsilyl) ester chromic acid
![Bis(triphenylsilyl) chromate ([(C6H5)3SiO]2CrO2) — chemical structure, CAS 1624-02-8; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1624-02-8.png&w=3840&q=75)
Catalysis in Olefin Polymerization
Bis(triphenylsilyl) chromate acts as a silyl chromate catalyst, facilitating the polymerisation of olefins. It is specifically employed in ethylene polymerisation processes.
Benzylic Oxidation Reactions
This compound functions as a phase transfer catalyst in benzylic oxidation reactions. Its catalytic activity aids in facilitating these transformations.
XPS and XRD Characterization
It is utilised as a reactant for the X-ray Photoelectron Spectroscopy (XPS) and X-ray Diffraction (XRD) characterisation of chromium-silica catalysts.
| Molecular weight | 634.79 |
|---|---|
| Linear formula | [(C6H5)3SiO]2CrO2 |
| Assay | 96% |
| Application | Reactant for the XPS and XRD characterization of chromium-silica catalysts1Silyl chromate catalyst for • Olefin polymerization2,3 and ethylene polymerization4,5• Benzylic oxidations used as a phase transfer catalyst6 |
| Melting point | 159 °C (dec.)(lit.) |
Hazard statements
- H317May cause an allergic skin reaction
- H350I
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1/PG 3 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 49-43-50/53 |
| Safety statements (S) | 53-45-60-61 |
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 Bis(triphenylsilyl) chromate used for?
+
Bis(triphenylsilyl) chromate is used as a reactant for XPS and XRD characterisation of chromium-silica catalysts, and as a silyl chromate catalyst for olefin polymerisation, ethylene polymerisation, and in benzylic oxidations as a phase transfer catalyst.
What are the CAS number and molecular formula?
+
The CAS number for Bis(triphenylsilyl) chromate is 1624-02-8, and its molecular formula is [(C6H5)3SiO]2CrO2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Bis(triphenylsilyl) chromate with an assay of 96%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should Bis(triphenylsilyl) chromate be handled safely?
+
Bis(triphenylsilyl) chromate is a Danger-rated substance (H317-H350i-H410). Handling requires appropriate personal protective equipment, including eyeshields, full-face particle respirators (type N100 US), gloves, and specific respirator cartridges or filters (type N100 US, P1 or P3 EN143). Avoid exposure and ensure adequate ventilation. Please consult the Safety Data Sheet for comprehensive safety information.
How is Bis(triphenylsilyl) chromate shipped?
+
Bis(triphenylsilyl) chromate is shipped as UN 2811, 6.1/PG 3. Tech Serve Solutions complies with all relevant regulations for the export and shipment of hazardous chemicals.
How can I request a quote or sample?
+
To request a quote or sample of Bis(triphenylsilyl) chromate, please contact our sales department through the website or via email, providing your specific requirements.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ 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