10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide
Also known as: 10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phospha-phenantbrene-10-oxide, 10-(2,5-Dihydroxyphenyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 2-(10H-9-Oxa-10-phospha-1-phenanthryl)hydroquinone phosphorus oxide, 2-(6-oxobenzo[c][2,1]benzoxaphosphinin-6-yl)benzene-1,4-diol, ODOPB, DOPO-HQ, HCA-HQ
10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide (CAS 99208-50-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H13O4P and a molecular weight of 324.26700 g/mol. Key properties include a melting point of 245-255ºC, a boiling point of 592.882ºC at 760 mmHg, a density of 1.498 g/cm3 and a flash point of 312.364ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 99208-50-1
- Jingsj CID
- J-1516399-2
- Molecular Formula
- C18H13O4P
- Molecular Weight
- 324.26700 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 245-255ºC |
|---|---|
| Boiling Point | 592.882ºC at 760 mmHg |
| Density | 1.498 g/cm3 |
| Flash Point | 312.364ºC |
| Exact Mass | 324.05500 |
| PSA | 76.57000 |
| LogP | 3.38610 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide?
The CAS number of 10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide is 99208-50-1.
What are the molecular formula and molecular weight of 10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide?
10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide has molecular formula C18H13O4P and molecular weight 324.26700 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide (CAS 99208-50-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516399-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.