Molekula
Xanthone
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Xanthone is a polycyclic aromatic ketone used primarily as a precursor in organic synthesis, pharmaceuticals, and as a triplet photosensitizer in photochemical research. It appears as a pale yellow crystalline solid with a faint odor. Key specifications include a CAS number of 90-47-1, molecular formula C13H8O2, and a molecular weight of 196.20 g/mol. Store at ambient temperature with a signal word of Warning. Molekula supplies Xanthone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or almost white powder |
| Melting Point | 171 - 173°C |
| Identification | H-NMR |
| Loss on Drying | ≤0.2% |
| Assay (HPLC) | ≥98% |
| Residue on Ignition | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.0000585 mmHg |
Source: PubChem CID 7020 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90035784 |
| CAS Number | 90-47-1 |
| IUPAC Name | xanthen-9-one |
| EC Number | 201-997-7 |
| Molecular Formula | C13H8O2 |
| Molecular Weight | 196.20 |
| Exact Mass | 196.0524 |
| SMILES | C1=CC=C2C(=C1)C(=O)C3=CC=CC=C3O2 |
| InChIKey | JNELGWHKGNBSMD-UHFFFAOYSA-N |
| InChI | InChI=1S/C13H8O2/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8H |
| PubChem CID | 7020 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 2932990090 |
Safety & GHS
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 9-Oxoxanthene
- 9-Xanthenone
- 9-Xanthone
- 9H-Xanthen-9-one
- Benzophenone oxide
- Dibenzo-gamma-pyrone
- Diphenylene ketone oxide
- Genicide
- Xanthen-9-one
- Xanthenone
Frequently asked questions
What is xanthone commonly used for?
Xanthone is used as a precursor in organic synthesis for pharmaceuticals and agrochemicals, as a triplet photosensitizer in photochemistry, and as an insecticide and larvicide (historically sold as Genicide).
What is the chemical formula and molecular weight of xanthone?
The chemical formula is C13H8O2, and the molecular weight is 196.20 g/mol.
How should xanthone be stored?
Store xanthone at ambient temperature in a cool, dry place, away from direct sunlight and incompatible substances.
What grades of xanthone does Molekula supply?
Molekula supplies technical grade xanthone, suitable for industrial, research, and synthesis applications.
Can Molekula supply xanthone in bulk quantities?
Yes, Molekula can supply xanthone in bulk (minimum order quantities may apply—please inquire for details).
What documentation comes with an order of xanthone?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.