Phenolphthalein diphosphate calcium salt

酚酞二磷酸钙

Also known as: Dicalcium isobenzofuran-3,3-diylbis(p-phenylene) bis(phosphate), [4-[3-oxo-1-(4-phosphonatooxyphenyl)-2-benzofuran-1-yl]phenyl] phosphate, 1(3H)-Isobenzofuranone, 3,3-bis[4-(phosphonooxy)phenyl]-, calcium salt (1:2), EINECS 305-350-0, 4,4'-(1-Oxo-3H-isobenzofuran-3,3-diyl)bisphenol bis(phosphoric acid calcium) salt

Phenolphthalein diphosphate calcium salt (CAS 94465-66-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H12Ca2O10P2 and a molecular weight of 554.40700 g/mol. It is also known as Dicalcium isobenzofuran-3,3-diylbis(p-phenylene) bis(phosphate), [4-[3-oxo-1-(4-phosphonatooxyphenyl)-2-benzofuran-1-yl]phenyl] phosphate and 1(3H)-Isobenzofuranone, 3,3-bis[4-(phosphonooxy)phenyl]-, calcium salt (1:2). Key property: a boiling point of 749.8ºC at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

94465-66-4

Jingsj CID

J-22709-0

Molecular Formula

C₂₀H₁₂Ca₂O₁₀P₂

Chinese Name

酚酞二磷酸钙

Molecular Weight

554.40700 g/mol

Category

Organic Acids

Last updated

8/21/2026