Dichloro(methyl)phenylsilane
Dichloro(methyl)phenylsilane (CAS: 149-74-6, Formula: C6H5Si(CH3)Cl2, MW: 191.13) is a reactive organosilicon compound. It serves as a valuable intermediate in chemical synthesis, particularly in the introduction of phenylmethylsilyl groups. Its utility extends to applications requiring specialized silicon-based functionalities, acting as a building block for more complex molecules in various research and industrial processes.
- IUPAC
- Methyl-phenyl-dichlorosilane
- Synonyms
- Methylphenyldichlorosilane

Chemical Synthesis Intermediate
Used as a versatile building block in organic and organosilicon synthesis. It allows for the introduction of the methylphenylsilyl moiety into target molecules.
Protecting Group Chemistry
Can be employed in the derivatization of functional groups, offering protection during multi-step synthetic sequences. Its reactivity allows for controlled installation and removal.
Materials Science Research
Investigated for its potential in developing novel silicon-containing polymers and materials. The phenyl and methyl groups influence material properties.
| Molecular weight | 191.13 |
|---|---|
| Linear formula | C6H5Si(CH3)Cl2 |
| Assay | 97% |
| Boiling point | 205 °C(lit.) |
| Density | 1.176 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.519(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 67 °C / 152.6 °F |
| Transport (UN / ADR) | UN 2437 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-43-45 |
| Supplemental hazards | Reacts violently with water. |
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 Dichloro(methyl)phenylsilane used for?
+
Dichloro(methyl)phenylsilane is primarily used as an intermediate in chemical synthesis, for introducing methylphenylsilyl groups, and in protecting group strategies in organic chemistry.
What is the CAS number and formula for Dichloro(methyl)phenylsilane?
+
The CAS number is 149-74-6 and the chemical formula is C6H5Si(CH3)Cl2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Dichloro(methyl)phenylsilane with a minimum purity of 97%. This product is not represented as USP, EP, or BP grade.
How should Dichloro(methyl)phenylsilane be handled safely?
+
Dichloro(methyl)phenylsilane is corrosive and reacts violently with water. Handle with extreme care, using full-face protection, gloves, and appropriate respiratory protection in a well-ventilated area. Avoid contact with water.
How is Dichloro(methyl)phenylsilane packed, shipped, and exported?
+
This chemical is packed and shipped according to UN 2437, Class 8, PGII regulations for hazardous materials. Tech Serve Solutions is experienced in global export.
How can I request a quote or sample of Dichloro(methyl)phenylsilane?
+
To request a quote or sample, please contact our sales department via the website or direct email, providing your specific requirements and shipping details.
▶ 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