Tributyl borate
Also known as: tri-n-butyl borate, boric acid tributyl ester, tributoxyborane, tributoxyboron, Borester 2, n-butyl borate, Tributoxyborane, Tri-n-butoxyborane, Boric acid tri-n-butyl ester
Tributyl borate (CAS 688-74-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H27BO3 and a molecular weight of 230.152 g/mol. Key properties include a melting point of −70 °C(lit.), a boiling point of 230.6±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 93.3±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 688-74-4
- Jingsj CID
- J-1354129-2
- Molecular Formula
- C12H27BO3
- Molecular Weight
- 230.152 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −70 °C(lit.) |
|---|---|
| Boiling Point | 230.6±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 93.3±0.0 °C |
| Exact Mass | 230.205322 |
| PSA | 27.69000 |
| LogP | 6.23 |
| Additional Property | 7.95 (vs air) |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.410 |
| Additional Property | decomposes |
Customs & Trade Information
| HS Code | 2920909090 |
|---|---|
| Summary | 2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tributyl borate?
The CAS number of Tributyl borate is 688-74-4.
What are the molecular formula and molecular weight of Tributyl borate?
Tributyl borate has molecular formula C12H27BO3 and molecular weight 230.152 g/mol.
What are the upstream and downstream products of Tributyl borate?
For Tributyl borate, Upstream Products: 1-Butanol, Boric acid, Tributylborane; Downstream Products: 2-Chlorophenylboronic acid, Phenethylboronic acid, 1-Butanol-d1.
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 borate (CAS 688-74-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354129-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.