Skip to main content

(Phenylthio)trimethylsilane

Also known as: Phenylthiotrimethylsilane, Phenyl trimethylsilyl sulfide, S-(Trimethylsilyl)benzenethiol, S-(Trimethylsilyl)thiophenol, Trimethyl(phenylthio)silane, Trimethyl(phenylsulfanyl)silane, Benzene, [(trimethylsilyl)thio]-, Trimethylsilylthiobenzene

(Phenylthio)trimethylsilane (CAS 4551-15-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H14SSi and a molecular weight of 182.358 g/mol. Key properties include a boiling point of 200.3±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 87.4±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4551-15-9
Jingsj CID
J-40992-7
Molecular Formula
C9H14SSi
Molecular Weight
182.358 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point200.3±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point87.4±19.8 °C
Exact Mass182.058548
PSA25.30000
LogP3.95
Vapor Pressure0.5±0.3 mmHg at 25°C
Refractive Index1.519

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H332 — Harmful if inhaled

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (Phenylthio)trimethylsilane?

The CAS number of (Phenylthio)trimethylsilane is 4551-15-9.

What are the molecular formula and molecular weight of (Phenylthio)trimethylsilane?

(Phenylthio)trimethylsilane has molecular formula C9H14SSi and molecular weight 182.358 g/mol.

Is (Phenylthio)trimethylsilane hazardous?

(Phenylthio)trimethylsilane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H332 — Harmful if inhaled.

What are the upstream and downstream products of (Phenylthio)trimethylsilane?

For (Phenylthio)trimethylsilane, Upstream Products: 1,1,1,3,3,3-Hexamethyldisilazane, Chlorotrimethylsilane, Allyltrimethylsilane; Downstream Products: ethyl 4-(phenylthio)benzoate, 2,4,5-Trimethylphenol, Bis(4-methoxyphenyl) disulfide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(Phenylthio)trimethylsilane (CAS 4551-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40992-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.