4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene

Also known as: 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethyl-9H-xanthene, 4,5-Dibromo-2,7-di-t-butyl-9,9-dimethylxanthene, 4,5-dibromo-2,7-ditert-butyl-9,9-dimethylxanthene, 2,7-di(t-butyl)-4,5-dibromo-9,9-dimethylxanthene, 2,7-di-tert-butyl-4,5-dibromo-9,9-dimethylxanthene, 4,5-Dibromo-9,9-dimethyl-2,7-bis(2-methyl-2-propanyl)-9H-xanthene, 9H-Xanthene, 4,5-dibromo-2,7-bis(1,1-dimethylethyl)-9,9-dimethyl-, MFCD00134486

4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene (CAS 130525-43-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H28Br2O and a molecular weight of 480.27600 g/mol. Key properties include a melting point of 260-262ºC(lit.), a boiling point of 429.7ºC at 760 mmHg, a density of 1.329g/cm3 and a flash point of 178ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 130525-43-8
Jingsj CID: J-32231-6
Molecular Formula: C₂₃H₂₈Br₂O
Molecular Weight: 480.27600 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	260-262ºC(lit.)
Boiling Point	429.7ºC at 760 mmHg
Density	1.329g/cm3
Flash Point	178ºC
Exact Mass	478.05100
PSA	9.23000
LogP	8.23820
Vapor Pressure	3.46E-07mmHg at 25°C
Refractive Index	1.56

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene?

The CAS number of 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene is 130525-43-8.

What are the molecular formula and molecular weight of 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene?

4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene has molecular formula C23H28Br2O and molecular weight 480.27600 g/mol.

What are the upstream and downstream products of 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene?

For 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene, Upstream Products: 2,7-di-tert-butyl-9,9-dimethylxanthene, 9,9-dimethylxanthene, Xanthone; Downstream Products: (R,R)-2,7-Di-tert-butyl-9,9-dimethyl-4,5-bis(methylphenylphosphino)xanthene, 2,7-Di-tert-butyl-9,9-dimethyl-9H-xanthene-4,5-dicarboxylic 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. "4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene (CAS 130525-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32231-6 (accessed 2026-11-09).

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