2,7-Di-tert-butylfluorene

2,7-二叔丁基芴

Also known as: 2,7-Bis(2-methyl-2-propanyl)-9H-fluorene, 2,7-Bis-tert-butyl-9H-fluorene, 2,7-DI-TERT-BUTYLFLUORENE, 2,7-DI-TERT-BUTYLFLUORENE 98%, 2,7-DI-TERT-BUTYLFLUOROENE, 2,7-Di(tert-butyl)-9H-fluorene, 2,7-Di-tert-butyl-9H-fluorene, 2,7-Di-tert-butylfluorene>2,7-Di-tert-butyL, 2,7-di-tert-butyl-9H-fluorene, 2,7-ditert-butyl-9H-fluorene, 9H-Fluorene, 2,7-bis(1,1-dimethylethyl)-, MFCD03093998

2,7-Di-tert-butylfluorene (CAS 58775-05-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H26 and a molecular weight of 278.431 g/mol. It is also known as 2,7-Bis(2-methyl-2-propanyl)-9H-fluorene, 2,7-Bis-tert-butyl-9H-fluorene and 2,7-DI-TERT-BUTYLFLUORENE. Key properties include a melting point of 121-124 °C(lit.), a boiling point of 372.4±22.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 194.1±13.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58775-05-6
Jingsj CID
J-1524004-6
Molecular Formula
C21H26
Chinese Name
2,7-二叔丁基芴
Molecular Weight
278.431 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point121-124 °C(lit.)
Boiling Point372.4±22.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point194.1±13.1 °C
Exact Mass278.203461
LogP7.54
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.556

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,7-Di-tert-butylfluorene?

The CAS number of 2,7-Di-tert-butylfluorene is 58775-05-6.

What are the molecular formula and molecular weight of 2,7-Di-tert-butylfluorene?

2,7-Di-tert-butylfluorene has molecular formula C21H26 and molecular weight 278.431 g/mol.

What are the upstream and downstream products of 2,7-Di-tert-butylfluorene?

For 2,7-Di-tert-butylfluorene, Upstream Products: 9H FLUORENE, tert-butyl chloride, Butylated hydroxytoluene; Downstream Products: 4-Acetylaminofluorene, 2,7-Di-tert-butyl-9-fluorenylmethyl chloroformate, 4-METHYLFLUORENE.

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

Last updated:

How to cite: Jingsj. "2,7-Di-tert-butylfluorene (CAS 58775-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524004-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.