Triphenylphosphine hydrobromide
Also known as: Triphenylphosphonium bromide, Triphenylphosphine hydrobromide (1:1), Phosphine, triphenyl-, hydrobromide, MFCD00035107, EINECS 229-012-6
Triphenylphosphine hydrobromide (CAS 6399-81-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H16BrP and a molecular weight of 343.197 g/mol. Key properties include a melting point of 196 °C (dec.)(lit.), a boiling point of 360ºC at 760 mmHg and a flash point of 181.7ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6399-81-1
- Jingsj CID
- J-1993115-8
- Molecular Formula
- C18H16BrP
- Molecular Weight
- 343.197 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 196 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 360ºC at 760 mmHg |
| Flash Point | 181.7ºC |
| Exact Mass | 342.017303 |
| PSA | 13.59000 |
| LogP | 4.40290 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triphenylphosphine hydrobromide?
The CAS number of Triphenylphosphine hydrobromide is 6399-81-1.
What are the molecular formula and molecular weight of Triphenylphosphine hydrobromide?
Triphenylphosphine hydrobromide has molecular formula C18H16BrP and molecular weight 343.197 g/mol.
Is Triphenylphosphine hydrobromide hazardous?
Triphenylphosphine hydrobromide has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Triphenylphosphine hydrobromide?
For Triphenylphosphine hydrobromide, Upstream Products: Triphenylphosphine, 2-Bromo-2-methylpropane, (2-Butyl)triphenylphosphonium bromide; Downstream Products: 3-Bromo-4-methoxybenzaldehyde, (2-Hydroxyethyl)triphenylphosphonium bromide, 4-(Benzyloxy)benzaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triphenylphosphine hydrobromide (CAS 6399-81-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993115-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.