(Methoxymethyl)diphenylphosphine oxide
Also known as: Methoxymethyl(diphenyl)phosphine oxide, Diphenyl(methoxymethyl)phosphine oxide, Phosphine oxide, (methoxymethyl)diphenyl-, (Methoxymethyl)diphenylphosphine oxide 98%, (Methoxymethyl)(diphenyl)phosphane oxide, Methoxymethyl(diphenyl)phosphineOxide, [methoxymethyl(phenyl)phosphoryl]benzene
(Methoxymethyl)diphenylphosphine oxide (CAS 4455-77-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H15O2P and a molecular weight of 246.242 g/mol. Key properties include a melting point of 115-117ºC, a boiling point of 334.7±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 170.0±43.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4455-77-0
- Jingsj CID
- J-36028-1
- Molecular Formula
- C14H15O2P
- Molecular Weight
- 246.242 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 115-117ºC |
|---|---|
| Boiling Point | 334.7±25.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 170.0±43.5 °C |
| Exact Mass | 246.080963 |
| PSA | 36.11000 |
| LogP | 1.59 |
| Appearance | Crystalline Powder | White to pale yellow |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.556 |
| Additional Property | methylene chloride: 0.1 g/mL, clear |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2919900090 |
|---|---|
| Summary | 2919900090 other phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (Methoxymethyl)diphenylphosphine oxide?
The CAS number of (Methoxymethyl)diphenylphosphine oxide is 4455-77-0.
What are the molecular formula and molecular weight of (Methoxymethyl)diphenylphosphine oxide?
(Methoxymethyl)diphenylphosphine oxide has molecular formula C14H15O2P and molecular weight 246.242 g/mol.
Is (Methoxymethyl)diphenylphosphine oxide hazardous?
(Methoxymethyl)diphenylphosphine oxide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of (Methoxymethyl)diphenylphosphine oxide?
For (Methoxymethyl)diphenylphosphine oxide, Upstream Products: Chlorodiphenylphosphine, Methoxyacetic acid, Triphenylphosphine; Downstream Products: 2-Methoxyacetophenone, Triphenylphosphine oxide, Methyldiphenylphosphine oxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(Methoxymethyl)diphenylphosphine oxide (CAS 4455-77-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36028-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.