(4-Iodophenylethynyl)trimethylsilane
(4-Iodophenylethynyl)trimethylsilane (CAS: 134856-58-9; Formula: C11H13ISi; Mol. Wt.: 300.21 g/mol) is a useful organosilicon compound. It is primarily employed as a building block in organic synthesis and chemical research. Its structure, featuring both an alkyne and an iodophenyl moiety protected by a trimethylsilyl group, makes it a versatile intermediate for creating more complex molecules. This compound is valuable in fields requiring precise molecular construction.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of complex organic molecules. The iodophenyl group allows for various cross-coupling reactions, while the trimethylsilyl-protected alkyne can be selectively deprotected and functionalised.
Materials Science Research
Potentially used in the development of novel materials. Its structure can be incorporated into polymers or other advanced materials where specific electronic or structural properties are desired.
Medicinal Chemistry
A useful precursor in the synthesis of potential pharmaceutical agents. The iodo-aromatic structure can be a handle for introducing complex functionalities relevant to drug discovery.
| Molecular weight | 300.21 |
|---|---|
| Empirical formula | C11H13ISi |
| Assay | 97% |
| Melting point | 66-70 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- 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 |
| 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 (4-Iodophenylethynyl)trimethylsilane used for?
+
(4-Iodophenylethynyl)trimethylsilane is primarily used as a building block in organic synthesis and chemical research for constructing complex organic molecules and potentially in materials science and medicinal chemistry.
What is the CAS number and molecular formula for (4-Iodophenylethynyl)trimethylsilane?
+
The CAS number is 134856-58-9, and the molecular formula is C11H13ISi.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies (4-Iodophenylethynyl)trimethylsilane with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should (4-Iodophenylethynyl)trimethylsilane be handled?
+
Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid contact with eyes, skin, and clothing. Ensure adequate ventilation. This compound is a Warning: causes serious eye irritation and may cause long lasting harmful effects to aquatic life.
Is (4-Iodophenylethynyl)trimethylsilane available for export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (4-Iodophenylethynyl)trimethylsilane.
How can I request a quote or sample for (4-Iodophenylethynyl)trimethylsilane?
+
Please contact our sales team or use the online enquiry form on our website to request a quote or sample for (4-Iodophenylethynyl)trimethylsilane.
▶ 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

4-Acetylphenoxyacetic acid
CH3COC6H4OCH2CO2H
Chemical Synthesis
(4-Iodophenylethynyl)trimethylsilane
C11H13ISi
Chemical Synthesis
4-Acetylphenyl isocyanate
CH3COC6H4NCO
Chemical Synthesis
4-Acetylphenyl sulfate potassium salt
CH3C(O)C6H4OS(O)2OK
Chemical Synthesis