Tributyl phosphite
Also known as: Tri-n-butyl phosphite, Tributoxyphosphine, Phosphorous acid tributyl ester, Phosphorous acid, tributyl ester, Butyl phosphite, TRIBUTYL PHOSPHITE, Tri-n-butylphosphite, MFCD00009437, EINECS 203-061-3
Tributyl phosphite (CAS 102-85-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H27O3P and a molecular weight of 250.315 g/mol. Key properties include a melting point of -80 °C, a boiling point of 268.1±0.0 °C at 760 mmHg, a density of 0.925 g/mL at 25 °C(lit.) and a flash point of 121.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H312 — Harmful in contact with skin 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.
- 102-85-2
- Jingsj CID
- J-40752-3
- Molecular Formula
- C12H27O3P
- Molecular Weight
- 250.315 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -80 °C |
|---|---|
| Boiling Point | 268.1±0.0 °C at 760 mmHg |
| Density | 0.925 g/mL at 25 °C(lit.) |
| Flash Point | 121.1±0.0 °C |
| Exact Mass | 250.169785 |
| PSA | 41.28000 |
| LogP | 3.85 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | n20/D 1.431(lit.) |
GHS Safety & Compliance
- H312 — Harmful in contact with skin
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2920901900 |
|---|---|
| Summary | 2920901900 VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tributyl phosphite?
The CAS number of Tributyl phosphite is 102-85-2.
What are the molecular formula and molecular weight of Tributyl phosphite?
Tributyl phosphite has molecular formula C12H27O3P and molecular weight 250.315 g/mol.
Is Tributyl phosphite hazardous?
Tributyl phosphite has GHS signal word Danger and hazard statements H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tributyl phosphite (CAS 102-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40752-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.