1S,5S,6S-(-)-1,6-bis(diphenylphosphinoxy)spiro[4.4]nonane

(1S,5S,6S)-(-)-1,6-双(二苯基膦氧基)螺[4.4]壬烷

Also known as: Phosphinous acid, P,P-diphenyl-, P,P'-(1S,6S)-spiro[4.4]nonane-1,6-diyl ester, CTH-(S)-SpiroP, (1S,5S,6S)-(-)-1,6-bis(diphenylphosphinoxy)spiro[4.4]nonane, 1S,5S,6S-(-)-1,6-bis(diphenylphosphinoxy)spiro[4.4]nonane, min. 95% CTH-(S)-SpiroP

1S,5S,6S-(-)-1,6-bis(diphenylphosphinoxy)spiro[4.4]nonane (CAS 197252-01-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C33H34O2P2 and a molecular weight of 524.56900 g/mol. It is also known as Phosphinous acid, P,P-diphenyl-, P,P'-(1S,6S)-spiro[4.4]nonane-1,6-diyl ester, CTH-(S)-SpiroP and (1S,5S,6S)-(-)-1,6-bis(diphenylphosphinoxy)spiro[4.4]nonane. Key properties include a boiling point of 628.7ºC at 760mmHg and a flash point of 420.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

197252-01-0

Jingsj CID

J-980844-3

Molecular Formula

C₃₃H₃₄O₂P₂

Chinese Name

(1S,5S,6S)-(-)-1,6-双(二苯基膦氧基)螺[4.4]壬烷

Molecular Weight

524.56900 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026