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Tributyl(trimethylsilyl)stannane

Also known as: Trimethyl(tributylstannyl)silane, (Trimethylsilyl)tributylstannane, (Trimethylsilyl)tributyltin, Trimethylsilyltri-n-butyltin, Tributylstannyltrimethylsilane, Bu3Sn-SiMe3, MFCD00054903

Tributyl(trimethylsilyl)stannane (CAS 17955-46-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H36SiSn and a molecular weight of 363.242 g/mol. Key properties include a boiling point of 308.8±0.0 °C at 760 mmHg, a density of 1.04 g/mL at 25 °C(lit.) and a flash point of 146.6±19.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17955-46-3
Jingsj CID
J-29696-8
Molecular Formula
C15H36SiSn
Molecular Weight
363.242 g/mol
Category
Organic Compounds
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point308.8±0.0 °C at 760 mmHg
Density1.04 g/mL at 25 °C(lit.)
Flash Point146.6±19.3 °C
Exact Mass364.160828
LogP9.60
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Indexn20/D 1.488(lit.)

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H372 — Causes damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Tributyl(trimethylsilyl)stannane?

The CAS number of Tributyl(trimethylsilyl)stannane is 17955-46-3.

What are the molecular formula and molecular weight of Tributyl(trimethylsilyl)stannane?

Tributyl(trimethylsilyl)stannane has molecular formula C15H36SiSn and molecular weight 363.242 g/mol.

Is Tributyl(trimethylsilyl)stannane hazardous?

Tributyl(trimethylsilyl)stannane has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "Tributyl(trimethylsilyl)stannane (CAS 17955-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29696-8 (accessed 2026-11-09).

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