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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 606997Generated: October 23, 2026

9,9-Dimethylxanthene

9,9-DIMETHYLXANTHENE · CL159 · LABOTEST-BB LT00160133 · 9,9-Dimethylxanthene>9,9-DIMETHYL-9H-XANTHENE · 9,9-Dimethylxanthene 96% · 9H-Xanthene, 9,9-dimethyl- · 9,9-Dimethylxanthene, 98+% · 9,9-Dimethylxanthene, 97.5%

https://huagongshe.com/en/chemical/606997

9,9-Dimethylxanthene molecular structure

Identifiers & Physical Properties

CAS No.19814-75-6
Molecular formulaC15H14O
Average molar mass210.27 g/mol
Monoisotopic mass210.10446507 g/mol
SMILESCC1(C)c2ccccc2Oc2ccccc21
InChIKeyMTVNAPYHLASOSX-UHFFFAOYSA-N
PubChem CID606997
EC No.803-050-9
DTXSIDDTXSID00345781

Chemical & Physical Properties

XLogP4.3
Topological polar surface area9.2
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms16
Formal charge0
Complexity234
Melting point35-38 °C (lit.)
Boiling point114-115 °C/0.6 mmHg (lit.)
Density1.0232 (rough estimate)
Refractive index1.5725 (estimate)
Flash point>230 °F
Storage conditionsSealed in dry,Room Temperature
Physical statepowder to lump to clear liquid
ColorWhite or Colorless to Yellow to Green
SolubilityInsoluble in water.
InChIInChI=1S/C15H14O/c1-15(2)11-7-3-5-9-13(11)16-14-10-6-4-8-12(14)15/h3-10H,1-2H3
InChIKeyMTVNAPYHLASOSX-UHFFFAOYSA-N
SMILESC1(C)(C)C2=C(C=CC=C2)OC2=C1C=CC=C2
CAS DataBase Reference19814-75-6
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H312-H332
GHS precautionary statementsP261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P330-P362-P403+P233-P501
Hazard symbolsXi
Risk statements (R)43
Safety statements (S)36/37-24/25
Water hazard class (WGK)3
Customs code29329990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 100% (39 of 39) of all reports.Not ClassifiedAggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard Classes and CategoriesNot Classified
Water hazard class (WGK)3
Customs code29329990
Risk statements (R)43
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)36/37-24/25
Storage class11 - Combustible Solids
GHS hazard statementsH302-H312-H332
GHS precautionary statementsP261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P330-P362-P403+P233-P501

Applications & Uses

Uses

9,9-Dimethylxanthene is suitable for use in the preparation of 9,9-dimethylxanthene-4,5-dicarboxylic acid. It may be used in the preparation of 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene. It may be used in the preparation of 4,6-bis(dimesitylboryl)dibenzofuran.

General Description

9,9-Dimethylxanthene is a heterocyclic building block.