5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobisindane

5,5',6,6'-四羟基-3,3,3',3'-四甲基-1,1'-螺双茚满

Also known as: 5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindan, 3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-5,5',6,6'-tetrol, EINECS 201-003-1, MFCD00021235

5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobisindane (CAS 77-08-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H24O4 and a molecular weight of 340.41300 g/mol. It is also known as 5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindan, 3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-5,5',6,6'-tetrol and EINECS 201-003-1. Key properties include a melting point of 300ºC, a boiling point of 561.2ºC at 760 mmHg, a density of 1.37g/cm3 and a flash point of 260.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

77-08-7

Jingsj CID

J-1414680-4

Molecular Formula

C₂₁H₂₄O₄

Chinese Name

5,5',6,6'-四羟基-3,3,3',3'-四甲基-1,1'-螺双茚满

Molecular Weight

340.41300 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026