Octyl dihydrogen phosphate
辛基磷酸二氢酯
Also known as: MONOOCTYLPHOSPHATE, Phosphoric acid, monooctyl ester, Phosphoric acid dihydrogen octyl ester, octyl phosphate, Monooctylphosphoric acid, phosphoric Acid Octyl Ester
Octyl dihydrogen phosphate (CAS 3991-73-9) 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 210.20800 g/mol. It is also known as MONOOCTYLPHOSPHATE, Phosphoric acid, monooctyl ester and Phosphoric acid dihydrogen octyl ester. Key properties include a boiling point of 328.4ºC at 760mmHg, a density of 1.129g/cm3 and a flash point of 152.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3991-73-9
- Jingsj CID
- J-1388211-4
- Molecular Formula
- C8H19O4P
- Chinese Name
- 辛基磷酸二氢酯
- Molecular Weight
- 210.20800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 328.4ºC at 760mmHg |
|---|---|
| Density | 1.129g/cm3 |
| Flash Point | 152.4ºC |
Frequently Asked Questions
What is the CAS number of Octyl dihydrogen phosphate?
The CAS number of Octyl dihydrogen phosphate is 3991-73-9.
What are the molecular formula and molecular weight of Octyl dihydrogen phosphate?
Octyl dihydrogen phosphate has molecular formula C8H19O4P and molecular weight 210.20800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octyl dihydrogen phosphate (CAS 3991-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388211-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.