2,7-Dibromo-9,9-dimethylfluorene

Also known as: 2,7-dibromo-9,9-dimethyl-9H-fluorene, 9,9-Dimethyl-2,7-dibromofluorene, 2,7-dibromo-9,9-dimethyl-fluororene, 9H-Fluorene, 2,7-dibromo-9,9-dimethyl-

2,7-Dibromo-9,9-dimethylfluorene (CAS 28320-32-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H12Br2 and a molecular weight of 352.064 g/mol. Key properties include a melting point of 180ºC, a boiling point of 401.8±38.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 230.3±26.0 °C. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 28320-32-3
Jingsj CID: J-1492465-3
Molecular Formula: C₁₅H₁₂Br₂
Molecular Weight: 352.064 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	180ºC
Boiling Point	401.8±38.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	230.3±26.0 °C
Exact Mass	349.930573
LogP	6.74
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.635

GHS Safety & Compliance

Environmental HazardSignal word: Warning

H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2,7-Dibromo-9,9-dimethylfluorene?

The CAS number of 2,7-Dibromo-9,9-dimethylfluorene is 28320-32-3.

What are the molecular formula and molecular weight of 2,7-Dibromo-9,9-dimethylfluorene?

2,7-Dibromo-9,9-dimethylfluorene has molecular formula C15H12Br2 and molecular weight 352.064 g/mol.

Is 2,7-Dibromo-9,9-dimethylfluorene hazardous?

2,7-Dibromo-9,9-dimethylfluorene has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of 2,7-Dibromo-9,9-dimethylfluorene?

For 2,7-Dibromo-9,9-dimethylfluorene, Upstream Products: 2,7-Dibromofluorene, iodomethane, 9,9-Dimethylfluorene; Downstream Products: 9,9-Dimethylfluorene-2,7-diboronic acid bis(pinacol) ester, (9,9-Dimethyl-9H-fluorene-2,7-diyl)diboronic acid, (7-Bromo-9,9-dimethyl-9H-fluoren-2-yl)boronic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,7-Dibromo-9,9-dimethylfluorene (CAS 28320-32-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492465-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.