Diethyl (4-biphenylylmethyl)phosphonate
Also known as: DIETHYL (4-BIPHENYLYLMETHYL)PHOSPHONATE, Diethyl (4-phenylbenzyl)phosphonate, Phosphonic acid, P-([1,1'-biphenyl]-4-ylmethyl)-, diethyl ester, 1-(diethoxyphosphorylmethyl)-4-phenylbenzene, 4-[(Diethoxyphosphoryl)methyl]-1,1'-biphenyl, Diethyl P-([1,1'-biphenyl]-4-ylmethyl)phosphonate, diethyl 4-phenylbenzylphosphonate, diethyl biphenyl-4-ylmethylphosphonate
Diethyl (4-biphenylylmethyl)phosphonate (CAS 30818-70-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H21O3P and a molecular weight of 304.32100 g/mol. Key properties include a melting point of 58-60ºC, a boiling point of 438.3ºC at 760 mmHg, a density of 1.11g/cm3 and a flash point of 232.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 30818-70-3
- Jingsj CID
- J-1439734-3
- Molecular Formula
- C17H21O3P
- Molecular Weight
- 304.32100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 58-60ºC |
|---|---|
| Boiling Point | 438.3ºC at 760 mmHg |
| Density | 1.11g/cm3 |
| Flash Point | 232.2ºC |
| Exact Mass | 304.12300 |
| PSA | 45.34000 |
| LogP | 5.11970 |
| Refractive Index | 1.53 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl (4-biphenylylmethyl)phosphonate?
The CAS number of Diethyl (4-biphenylylmethyl)phosphonate is 30818-70-3.
What are the molecular formula and molecular weight of Diethyl (4-biphenylylmethyl)phosphonate?
Diethyl (4-biphenylylmethyl)phosphonate has molecular formula C17H21O3P and molecular weight 304.32100 g/mol.
What are the upstream and downstream products of Diethyl (4-biphenylylmethyl)phosphonate?
For Diethyl (4-biphenylylmethyl)phosphonate, Upstream Products: 4-(Bromomethyl)-1,1'-biphenyl, Triethyl phosphite, 4-(Chloromethyl)biphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl (4-biphenylylmethyl)phosphonate (CAS 30818-70-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1439734-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.