Tetrabutylphosphonium bromide
Also known as: Tetra-n-butylphosphonium bromide, TBPB, PX 4B, Phosphonium, tetrabutyl-, bromide, Tetranbutylphosphoniumbromide, HISHICOLIN PX-4B, TBP bromide, tetra-butylphosphonium bromide
Tetrabutylphosphonium bromide (CAS 3115-68-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H36BrP and a molecular weight of 339.335 g/mol. Key properties include a melting point of 100-103 °C(lit.) and a flash point of 290 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3115-68-2
- Jingsj CID
- J-1360386-6
- Molecular Formula
- C16H36BrP
- Molecular Weight
- 339.335 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 100-103 °C(lit.) |
|---|---|
| Flash Point | 290 °C |
| Exact Mass | 338.173798 |
| PSA | 13.59000 |
| LogP | 3.20840 |
| Additional Property | ca 70 g/100 mL |
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 Tetrabutylphosphonium bromide?
The CAS number of Tetrabutylphosphonium bromide is 3115-68-2.
What are the molecular formula and molecular weight of Tetrabutylphosphonium bromide?
Tetrabutylphosphonium bromide has molecular formula C16H36BrP and molecular weight 339.335 g/mol.
What are the upstream and downstream products of Tetrabutylphosphonium bromide?
For Tetrabutylphosphonium bromide, Upstream Products: 1-Bromobutane, Tributylphosphine, Butylmagnesium bromide; Downstream Products: 2-Chloroethyl Benzoate, Phenyl benzoate, Tributylphosphine 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. "Tetrabutylphosphonium bromide (CAS 3115-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360386-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.