Ethyl hydrogen phosphonate
乙膦酸
Also known as: Brn 0969557, Ethyl hydrogen phosphonate (9CI), Ethyl phosphite, Ethyl phosphonate, Fosetyl, Fosetyl [ISO], Fosetyl-l, Monoethyl phosphonate, Monoethyl phosphite, Phosphonic acid ethyl ester, Phosphonic acid hydrogene ethyl ester, Phosphonic acid monoethyl ester, TL 463, ethoxy-hydroxy-oxophosphanium, ethyl H-phosphonate monoester, ethyl H-phosphonic acid, phosethyl, phosphonic acid ethyl ester
Ethyl hydrogen phosphonate (CAS 15845-66-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H7O3P and a molecular weight of 110.04900 g/mol. It is also known as Brn 0969557, Ethyl hydrogen phosphonate (9CI) and Ethyl phosphite. Key properties include a boiling point of 176ºC at 760mmHg and a flash point of 60.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15845-66-6
- Jingsj CID
- J-1334722-2
- Molecular Formula
- C2H7O3P
- Chinese Name
- 乙膦酸
- Molecular Weight
- 110.04900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 176ºC at 760mmHg |
|---|---|
| Flash Point | 60.3ºC |
| Exact Mass | 110.01300 |
| PSA | 70.00000 |
| LogP | 0.40490 |
| Vapor Pressure | 0.533mmHg at 25°C |
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl hydrogen phosphonate?
The CAS number of Ethyl hydrogen phosphonate is 15845-66-6.
What are the molecular formula and molecular weight of Ethyl hydrogen phosphonate?
Ethyl hydrogen phosphonate has molecular formula C2H7O3P and molecular weight 110.04900 g/mol.
What are the upstream and downstream products of Ethyl hydrogen phosphonate?
For Ethyl hydrogen phosphonate, Upstream Products: Ethanol, Triethyl phosphite, Diethyl phosphite; Downstream Products: Diethyl phosphite, Phosphorous acid, Ethanol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl hydrogen phosphonate (CAS 15845-66-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334722-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.