(4-Methoxyphenyl)methylphosphonic Acid
(4-甲氧基苄基)磷酸
Also known as: 4-Methoxybenzylphosphonic acid, 4-Methoxybenzylphosphonsaeure, 4-methoxybenzylphosphonate
(4-Methoxyphenyl)methylphosphonic Acid (CAS 40299-61-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11O4P and a molecular weight of 202.14400 g/mol. It is also known as 4-Methoxybenzylphosphonic acid, 4-Methoxybenzylphosphonsaeure and 4-methoxybenzylphosphonate. Key properties include a boiling point of 415.4ºC at 760 mmHg, a density of 1.357g/cm3 and a flash point of 205ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40299-61-4
- Jingsj CID
- J-1499024-9
- Molecular Formula
- C8H11O4P
- Chinese Name
- (4-甲氧基苄基)磷酸
- Molecular Weight
- 202.14400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 415.4ºC at 760 mmHg |
|---|---|
| Density | 1.357g/cm3 |
| Flash Point | 205ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of (4-Methoxyphenyl)methylphosphonic Acid?
The CAS number of (4-Methoxyphenyl)methylphosphonic Acid is 40299-61-4.
What are the molecular formula and molecular weight of (4-Methoxyphenyl)methylphosphonic Acid?
(4-Methoxyphenyl)methylphosphonic Acid has molecular formula C8H11O4P and molecular weight 202.14400 g/mol.
Is (4-Methoxyphenyl)methylphosphonic Acid hazardous?
(4-Methoxyphenyl)methylphosphonic Acid 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. "(4-Methoxyphenyl)methylphosphonic Acid (CAS 40299-61-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499024-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.