Dibutyl phosphate
Also known as: Dibutyl hydrogen phosphate, Di-n-butyl phosphate, Phosphoric acid, dibutyl ester, DBP, di-n-butylphosphoric acid, dibutyl acid phosphate, bisbutyl phosphate, HDBP
Dibutyl phosphate (CAS 107-66-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H19O4P and a molecular weight of 210.208 g/mol. Key properties include a melting point of -13 °C, a boiling point of 275.3±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 120.3±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 107-66-4
- Jingsj CID
- J-14470-7
- Molecular Formula
- C8H19O4P
- Molecular Weight
- 210.208 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -13 °C |
|---|---|
| Boiling Point | 275.3±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 120.3±22.6 °C |
| Exact Mass | 210.102097 |
| PSA | 65.57000 |
| LogP | 2.20 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.436 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H351 — Suspected of causing cancer
Customs & Trade Information
| HS Code | 2919900090 |
|---|---|
| Summary | 2919900090 other phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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 Dibutyl phosphate?
The CAS number of Dibutyl phosphate is 107-66-4.
What are the molecular formula and molecular weight of Dibutyl phosphate?
Dibutyl phosphate has molecular formula C8H19O4P and molecular weight 210.208 g/mol.
Is Dibutyl phosphate hazardous?
Dibutyl phosphate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H351 — Suspected of causing cancer.
What are the upstream and downstream products of Dibutyl phosphate?
For Dibutyl phosphate, Upstream Products: Dibutyl chlorophosphate, Tributyl phosphate, Dibutyl phosphite; Downstream Products: Dibutyl chlorophosphate, 3-Methyl-1,1-diphenylurea, Tributyl phosphate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dibutyl phosphate (CAS 107-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14470-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.