Tributylphosphine oxide
Also known as: Tri-n-butylphosphine oxide, TBPO, NSC 41935, NSC 65484, Butyphos, Phosphine oxide, tributyl-, 1-dibutylphosphorylbutane, tributylphosphane oxide, tris(1-butyl)phosphine oxide, trisbutylphosphine oxide, HISHICOLIN PO-4, MFCD00002082
Tributylphosphine oxide (CAS 814-29-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H27OP and a molecular weight of 218.31600 g/mol. Key properties include a melting point of 64-69 °C(lit.), a boiling point of 150 °C1.5 mm Hg(lit.) and a flash point of 150°C/1mm. It is classified under GHS with signal word Danger 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 Aug 21, 2026.
- CAS No.
- 814-29-9
- Jingsj CID
- J-13908-2
- Molecular Formula
- C12H27OP
- Molecular Weight
- 218.31600 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 64-69 °C(lit.) |
|---|---|
| Boiling Point | 150 °C1.5 mm Hg(lit.) |
| Flash Point | 150°C/1mm |
| Exact Mass | 218.18000 |
| PSA | 26.88000 |
| LogP | 4.74980 |
| Refractive Index | 1.428 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H314 — Causes severe skin burns and eye damage
Frequently Asked Questions
What is the CAS number of Tributylphosphine oxide?
The CAS number of Tributylphosphine oxide is 814-29-9.
What are the molecular formula and molecular weight of Tributylphosphine oxide?
Tributylphosphine oxide has molecular formula C12H27OP and molecular weight 218.31600 g/mol.
Which suppliers offer Tributylphosphine oxide?
1 supplier(s) listed; request a quote for pricing.
Is Tributylphosphine oxide hazardous?
Tributylphosphine oxide has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tributylphosphine oxide (CAS 814-29-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13908-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.