6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman

6,6'-二羟基-4,4,4',4',7,7'-六甲基-2,2'-螺双色满

Also known as: 4,4,4',4',7,7'-Hexamethyl-2,2'-spirobi[chroman]-6,6'-diol, 4,4,4',4',7,7'-Hexamethyl-2,2'-spirobi[3H-chromene]-6,6'-diol, 2,2'-Spirobi[2H-1-benzopyran]-6,6'-diol, 3,3',4,4'-tetrahydro-4,4,4',4',7,7'-hexamethyl-, 6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobischroman, 6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman 2-propanol adduct, D2286, Dihydroxyhexamethylspirobichroman

6,6'-Dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman (CAS 40278-59-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H28O4 and a molecular weight of 368.46600 g/mol. It is also known as 4,4,4',4',7,7'-Hexamethyl-2,2'-spirobi[chroman]-6,6'-diol, 4,4,4',4',7,7'-Hexamethyl-2,2'-spirobi[3H-chromene]-6,6'-diol and 2,2'-Spirobi[2H-1-benzopyran]-6,6'-diol, 3,3',4,4'-tetrahydro-4,4,4',4',7,7'-hexamethyl-. Key properties include a melting point of 210ºC, a boiling point of 559.165ºC at 760 mmHg, a density of 1.238g/cm3 and a flash point of 291.973ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40278-59-9

Jingsj CID

J-42509-0

Molecular Formula

C₂₃H₂₈O₄

Chinese Name

6,6'-二羟基-4,4,4',4',7,7'-六甲基-2,2'-螺双色满

Molecular Weight

368.46600 g/mol

Category

Organic Compounds

Last updated

8/21/2026