Butyltriphenylphosphonium bromide
Also known as: (n-Butyl)triphenylphosphonium bromide, (1-Butyl)triphenylphosphonium bromide, Butyltriphenylphosphonium bromide (TBP), n-Butyltriphenylphosphonium bromide, Butyl(triphenyl)phosphonium bromide, BTPPBR, Butyl triphenyl phosphonium bromide, Ph3P(CH2)3CH3Br, Ph3P(+)CH2CH2CH2CH3Br(-), Phosphonium, butyltriphenyl-, bromide (1:1), MFCD00011855, EINECS 217-219-4
Butyltriphenylphosphonium bromide (CAS 1779-51-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H24BrP and a molecular weight of 399.304 g/mol. Key property: a melting point of 240-243 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H312 — Harmful in contact with skin. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 1779-51-7
- Jingsj CID
- J-36246-9
- Molecular Formula
- C22H24BrP
- Molecular Weight
- 399.304 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 240-243 °C(lit.) |
|---|---|
| Exact Mass | 398.079895 |
| PSA | 13.59000 |
| LogP | 1.78460 |
| Additional Property | soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
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 Butyltriphenylphosphonium bromide?
The CAS number of Butyltriphenylphosphonium bromide is 1779-51-7.
What are the molecular formula and molecular weight of Butyltriphenylphosphonium bromide?
Butyltriphenylphosphonium bromide has molecular formula C22H24BrP and molecular weight 399.304 g/mol.
Which suppliers offer Butyltriphenylphosphonium bromide?
1 supplier(s) listed; request a quote for pricing.
Is Butyltriphenylphosphonium bromide hazardous?
Butyltriphenylphosphonium bromide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of Butyltriphenylphosphonium bromide?
For Butyltriphenylphosphonium bromide, Upstream Products: 1-Bromobutane, Triphenylphosphine, 1-Butanol; Downstream Products: 1-(4-Chlorophenyl)-1-pentanone, (Z)-8-Dodecen-1-yl acetate, (E)-8-Dodecen-1-yl acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butyltriphenylphosphonium bromide (CAS 1779-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36246-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.