(Methoxymethyl)triphenylphosphonium chloride
Also known as: Methoxymethyltriphenylphosphonium chloride, Methoxymethyl(triphenyl)phosphonium chloride, Triphenyl(methoxymethyl)phosphonium chloride, Methoxymethyl triphenylphosphonium chloride, Phosphonium, (methoxymethyl)triphenyl-, chloride, Phosphonium, (methoxymethyl)triphenyl-, chloride (1:1), (Methoxymethyl)(triphenyl)phosphonium chloride, MFCD00011800, EINECS 223-664-5, MMC, AURORA KA-1153, METHOXYMETHYL-TRIPHENYLPHOSPHONIUM-, Methoxymethyltriphenylphosphoniumchloride, METHOXY METHYL TRIPHENYL PHOSPHONIUM CHLORIDE LOW WATER
(Methoxymethyl)triphenylphosphonium chloride (CAS 4009-98-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H20OP and a molecular weight of 307.35300 g/mol. Key properties include a melting point of 195-197 ºC (dec.) and a flash point of >250°C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 4009-98-7
- Jingsj CID
- J-4228-6
- Molecular Formula
- C20H20OP
- Molecular Weight
- 307.35300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195-197 ºC (dec.) |
|---|---|
| Flash Point | >250°C |
| Exact Mass | 342.094025 |
| PSA | 22.82000 |
| LogP | 0.58840 |
| Additional Property | decomposes |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 29310095 |
|---|
Frequently Asked Questions
What is the CAS number of (Methoxymethyl)triphenylphosphonium chloride?
The CAS number of (Methoxymethyl)triphenylphosphonium chloride is 4009-98-7.
What are the molecular formula and molecular weight of (Methoxymethyl)triphenylphosphonium chloride?
(Methoxymethyl)triphenylphosphonium chloride has molecular formula C20H20OP and molecular weight 307.35300 g/mol.
Is (Methoxymethyl)triphenylphosphonium chloride hazardous?
(Methoxymethyl)triphenylphosphonium chloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of (Methoxymethyl)triphenylphosphonium chloride?
For (Methoxymethyl)triphenylphosphonium chloride, Upstream Products: Triphenylphosphine; Downstream Products: (3-phenoxyphenyl)acetaldehyde, (3,3-dimethylcyclohexyl)methanol, β-Methoxystyrene.
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)triphenylphosphonium chloride (CAS 4009-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4228-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.