2,2',7,7'-Tetrabromo-9,9'-spirobifluorene

2,2',7,7'-四溴-9,9'-螺二芴

Also known as: 2,2',7,7'-Tetrabromo-9,9'-spirobi[9H-fluorene], 2,2',7,7'-Tetrabromo-9,9'-spirobifluorene, Tetrabromo-9,9'-spirobifluorene, 2,2',7,7'-Tetrabromo-9,9'-spirobi[fluorene], MFCD08704220

CAS No.
128055-74-3
Jingsj CID
J-1080519-4
Molecular Formula
C31H37N7O9S
Chinese Name
2,2',7,7'-四溴-9,9'-螺二芴
Molecular Weight
683.732 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point633.7ºC at 760 mmHg
Density2.12g/cm3
Flash Point322.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,2',7,7'-Tetrabromo-9,9'-spirobifluorene?

128055-74-3

What are the molecular formula and molecular weight of 2,2',7,7'-Tetrabromo-9,9'-spirobifluorene?

C31H37N7O9S, molecular weight 683.732 g/mol

Is 2,2',7,7'-Tetrabromo-9,9'-spirobifluorene hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026