Phenylethynyltri-n-butyltin
Also known as: Tributyl(phenylethynyl)tin, Tributyl(phenylethynyl)stannane, Tri-n-butyl(phenylethynyl)tin, (phenylethynyl)tributyltin, tributyl(2-phenylethynyl)stannane, 1-tributylstannyl-2-phenylacetylene, Stannane, tributyl(2-phenylethynyl)-, Stannane, tributyl(phenylethynyl)-
Phenylethynyltri-n-butyltin (CAS 3757-88-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H32Sn and a molecular weight of 391.178 g/mol. Key properties include a boiling point of 397.4±25.0 °C at 760 mmHg, a density of 1.116 g/mL at 25ºC(lit.) and a flash point of 197.9±10.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3757-88-8
- Jingsj CID
- J-1323010-9
- Molecular Formula
- C20H32Sn
- Molecular Weight
- 391.178 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 397.4±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.116 g/mL at 25ºC(lit.) |
| Flash Point | 197.9±10.3 °C |
| Exact Mass | 392.152588 |
| LogP | 11.56 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | n20/D 1.532(lit.) |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H372 — Causes damage to organs through prolonged exposure
- H400 — Very toxic to aquatic life
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. 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 Phenylethynyltri-n-butyltin?
The CAS number of Phenylethynyltri-n-butyltin is 3757-88-8.
What are the molecular formula and molecular weight of Phenylethynyltri-n-butyltin?
Phenylethynyltri-n-butyltin has molecular formula C20H32Sn and molecular weight 391.178 g/mol.
Is Phenylethynyltri-n-butyltin hazardous?
Phenylethynyltri-n-butyltin has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye 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. "Phenylethynyltri-n-butyltin (CAS 3757-88-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323010-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.