Tributyl phosphate
磷酸三丁酯
Also known as: TBP, Tri-n-butyl phosphate, Phosphoric acid, tributyl ester, Butyl phosphate, n-Butyl phosphate
Tributyl phosphate (CAS 126-73-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H27O4P and a molecular weight of 266.314 g/mol. It is also known as TBP, Tri-n-butyl phosphate and Phosphoric acid, tributyl ester. Key properties include a melting point of -79 °C, a boiling point of 288.3±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 193.3±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 126-73-8
- Jingsj CID
- J-14471-7
- Molecular Formula
- C12H27O4P
- Chinese Name
- 磷酸三丁酯
- Molecular Weight
- 266.314 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -79 °C |
|---|---|
| Boiling Point | 288.3±8.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 193.3±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Tributyl phosphate?
The CAS number of Tributyl phosphate is 126-73-8.
What are the molecular formula and molecular weight of Tributyl phosphate?
Tributyl phosphate has molecular formula C12H27O4P and molecular weight 266.314 g/mol.
Is Tributyl phosphate hazardous?
Tributyl phosphate has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tributyl phosphate (CAS 126-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14471-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.