Structure via PubChem · Public domain (PubChem)
fluoran
Sign in to saveAlso known as spiro(isobenzofuran-1(3H),9'-xanthen)-3-one, spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one
Fluoran is a triarylmethane dye. It is the structural core of a variety of other dyes.
Chemical data
- Formula
- C20H12O3
- Molecular weight
- 300.3 g/mol
- IUPAC name
- spiro[2-benzofuran-3,9'-xanthene]-1-one
- SMILES
- C1=CC=C2C(=C1)C(=O)OC23C4=CC=CC=C4OC5=CC=CC=C35
- InChIKey
- FWQHNLCNFPYBCA-UHFFFAOYSA-N
- XLogP
- 4.1
- Polar surface area
- 35.5 Ų
- H-bond donors
- 0
- H-bond acceptors
- 3
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
Wikidata facts
- Subclass of
- chemical compound
- Mass
- 300.079
Show 2 more facts
- chemical formula
- C₂₀H₁₂O₃
- canonical SMILES
- C1=CC=C2C(=C1)C(=O)OC23C4=CC=CC=C4OC5=CC=CC=C35
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
1 sectionsContents
- References
Fluoran is a triarylmethane dye. It is the structural core of a variety of other dyes.
These dyes have a variety of applications such as chemical stains (for example eosins) and in thermal paper. Black 305 is a common leuco dye product for thermal paper.
Excerpted from Wikipedia’s “fluoran” article, available under the CC BY-SA 4.0 licence.