Methyltriphenylphosphonium bromide
Also known as: Triphenylmethylphosphonium bromide, Methyltriphenylphosphine bromide, Phosphonium, methyltriphenyl-, bromide, Bromo(methyl)triphenylphosphorane, Methyl triphenylphosphonium bromide, Methyltriphenylphosphanium bromide
Methyltriphenylphosphonium bromide (CAS 1779-49-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H18BrP and a molecular weight of 357.224 g/mol. Key properties include a melting point of 230-234 °C(lit.) and a flash point of >240°C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 3, 2026.
- CAS No.
- 1779-49-3
- Jingsj CID
- J-34514-2
- Molecular Formula
- C19H18BrP
- Molecular Weight
- 357.224 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 230-234 °C(lit.) |
|---|---|
| Flash Point | >240°C |
| Exact Mass | 356.032928 |
| PSA | 13.59000 |
| LogP | 0.61430 |
| Additional Property | 400 g/L (25 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
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 Methyltriphenylphosphonium bromide?
The CAS number of Methyltriphenylphosphonium bromide is 1779-49-3.
What are the molecular formula and molecular weight of Methyltriphenylphosphonium bromide?
Methyltriphenylphosphonium bromide has molecular formula C19H18BrP and molecular weight 357.224 g/mol.
Which suppliers offer Methyltriphenylphosphonium bromide?
1 supplier(s) listed; request a quote for pricing.
Is Methyltriphenylphosphonium bromide hazardous?
Methyltriphenylphosphonium bromide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Methyltriphenylphosphonium bromide?
For Methyltriphenylphosphonium bromide, Upstream Products: Methyl bromide, Triphenylphosphine, Diphenylphosphine; Downstream Products: 4-n-Octylstyrene, Nalmefene, (Trimethylsilylmethyl)triphenylphosphonium iodide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyltriphenylphosphonium bromide (CAS 1779-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34514-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.