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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 4327890Generated: October 23, 2026

2,7-Di-tert-butyl-9,9-dimethylxanthene

2,7-DI-TERT-BUTYL-9,9-DIMETHYLXANTHENE · 2,7-Di-tert-butyl-9,9-diMethyl-9H-xanthene · 2,7-Di-tert-butyl-9,9-dimethylxanthene 97% · 9H-Xanthene, 2,7-bis(1,1-dimethylethyl)-9,9-dimethyl-

https://huagongshe.com/en/chemical/4327890

2,7-Di-tert-butyl-9,9-dimethylxanthene molecular structure

Identifiers & Physical Properties

CAS No.130525-41-6
Molecular formulaC23H30O
Average molar mass322.5 g/mol
Monoisotopic mass322.22966558 g/mol
SMILESCC(C)(C)c1ccc2c(c1)C(C)(C)c1cc(C(C)(C)C)ccc1O2
InChIKeyCOCYABCDIOEUAC-UHFFFAOYSA-N
PubChem CID4327890
DTXSIDDTXSID00401977

Chemical & Physical Properties

XLogP7.7
Topological polar surface area9.2
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds2
Heavy atoms24
Formal charge0
Complexity410
Melting point188-192 °C (lit.)
Boiling point370.2±42.0 °C(Predicted)
Density0.980±0.06 g/cm3(Predicted)
InChIInChI=1S/C23H30O/c1-21(2,3)15-9-11-19-17(13-15)23(7,8)18-14-16(22(4,5)6)10-12-20(18)24-19/h9-14H,1-8H3
InChIKeyCOCYABCDIOEUAC-UHFFFAOYSA-N
SMILESC1(C)(C)C2=C(C=CC(C(C)(C)C)=C2)OC2=C1C=C(C(C)(C)C)C=C2
UNSPSC Code12352100
NACRESNA.22
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Safety statements (S)22-24/25
Water hazard class (WGK)3
Storage class11 - Combustible Solids

Safety & Regulations

Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
Safety statements (S)22-24/25
Storage class11 - Combustible Solids

Applications & Uses

Uses

2,7-Di-tert-butyl-9,9-dimethylxanthene may be used in the preparation of 4,5-diamino-9,9′-dimethylxanthene.

General Description

Synthesis of a new series of diphosphine ligands based on 2,7-di-tert-butyl-9,9-dimethylxanthene has been reported.