10-(2,5-Dihydroxyphenyl)-10H-9-oxa-10-phosphaphenanthrene 10-oxide

10-(2,5-二羟基苯基)-10H-9-氧杂-10-磷杂菲-10-氧化物

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. It is 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 and 2-(10H-9-Oxa-10-phospha-1-phenanthryl)hydroquinone phosphorus oxide. 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-1516399-4

Molecular Formula

C₁₈H₁₃O₄P

Chinese Name

10-(2,5-二羟基苯基)-10H-9-氧杂-10-磷杂菲-10-氧化物

Molecular Weight

324.26700 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026