Bis(2-ethylhexyl) phosphite
双(2-乙基己基)亚磷酸酯
Also known as: Di(2-ethylhexyl) phosphite, Dioctyl phosphite, Bis(2-ethylhexyl) hydrogen phosphite, Phosphorous acid bis(2-ethylhexyl) ester, Bis(2-ethylhexyl) phosphonate, Chelex H8, NSC 2664
Bis(2-ethylhexyl) phosphite (CAS 3658-48-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H35O3P and a molecular weight of 306.421 g/mol. It is also known as Di(2-ethylhexyl) phosphite, Dioctyl phosphite and Bis(2-ethylhexyl) hydrogen phosphite. Key properties include a boiling point of 372.9±11.0 °C at 760 mmHg, a density of 0.916 g/mL at 25 °C(lit.) and a flash point of 198.8±13.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3658-48-8
- Jingsj CID
- J-7281-8
- Molecular Formula
- C16H35O3P
- Chinese Name
- 双(2-乙基己基)亚磷酸酯
- Molecular Weight
- 306.421 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 372.9±11.0 °C at 760 mmHg |
|---|---|
| Density | 0.916 g/mL at 25 °C(lit.) |
| Flash Point | 198.8±13.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Bis(2-ethylhexyl) phosphite?
The CAS number of Bis(2-ethylhexyl) phosphite is 3658-48-8.
What are the molecular formula and molecular weight of Bis(2-ethylhexyl) phosphite?
Bis(2-ethylhexyl) phosphite has molecular formula C16H35O3P and molecular weight 306.421 g/mol.
Is Bis(2-ethylhexyl) phosphite hazardous?
Bis(2-ethylhexyl) phosphite 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. "Bis(2-ethylhexyl) phosphite (CAS 3658-48-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7281-8 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.