(Triphenylphosphoranylidene)acetonitrile
Also known as: (Cyanomethylene)triphenylphosphorane, Cyanomethyltriphenylphosphonium ylide, Triphenyl(cyanomethylene)phosphorane, 2-(Triphenylphosphoranylidene)acetonitrile, Acetonitrile, 2-(triphenylphosphoranylidene)-, NSC 135204, Triphenylphosphoranylidenacetonitrile, Cyanomethyltriphenylphosphoniumylide, (Cyano)(triphenylphosphoranylidene)methane, (Cyanomethylidene)triphenylphosphorane
(Triphenylphosphoranylidene)acetonitrile (CAS 16640-68-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H16NP and a molecular weight of 301.322 g/mol. Key properties include a melting point of 189-195ºC(lit.), a boiling point of 465.3±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 235.2±24.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16640-68-9
- Jingsj CID
- J-11226-5
- Molecular Formula
- C20H16NP
- Molecular Weight
- 301.322 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 189-195ºC(lit.) |
|---|---|
| Boiling Point | 465.3±28.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 235.2±24.0 °C |
| Exact Mass | 301.102051 |
| PSA | 33.60000 |
| LogP | 3.45 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.627 |
| Storage Conditions | Refrigerator |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 (Triphenylphosphoranylidene)acetonitrile?
The CAS number of (Triphenylphosphoranylidene)acetonitrile is 16640-68-9.
What are the molecular formula and molecular weight of (Triphenylphosphoranylidene)acetonitrile?
(Triphenylphosphoranylidene)acetonitrile has molecular formula C20H16NP and molecular weight 301.322 g/mol.
Is (Triphenylphosphoranylidene)acetonitrile hazardous?
(Triphenylphosphoranylidene)acetonitrile has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "(Triphenylphosphoranylidene)acetonitrile (CAS 16640-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11226-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.