Molekula
Tropolone
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
Tropolone is a carbocyclic, non-benzenoid aromatic cyclic ketone used in pharmaceuticals, agrochemicals, and as a ligand in coordination chemistry. It exhibits antimicrobial and antioxidant properties. Available with CAS number 533-75-5, molecular formula C7H6O2, and molecular weight 122.12 g/mol. Stored at 2 to 8 °C. Signal word: Danger. Molekula supplies Tropolone 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — $73.80 per pack
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 | Light brown/ yellow crystalline powder |
| Melting Point | 49 - 51°C |
| Water | ≤ 0.5% |
| Assay | ⩾ 98.0% |
| Identification (IR) | Conforms to structure |
| Identification (1H-NMR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.000679 mmHg |
Source: PubChem CID 10789 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 28877662 |
| CAS Number | 533-75-5 |
| IUPAC Name | 2-hydroxycyclohepta-2,4,6-trien-1-one |
| EC Number | 208-577-2 |
| Molecular Formula | C7H6O2 |
| Molecular Weight | 122.12 |
| Exact Mass | 122.0368 |
| SMILES | C1=CC=C(C(=O)C=C1)O |
| InChIKey | MDYOLVRUBBJPFM-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6O2/c8-6-4-2-1-3-5-7(6)9/h1-5H,(H,8,9) |
| PubChem CID | 10789 |
| UN Number | UN3261 |
| REACH Code | Y110 |
| HTS Code | 29144040 |
| Tariff Code | 2914409090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, Portuguese, 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
- 2-Hydroxy-2,4,6-cycloheptatrien-1-one
- 2-Hydroxy-2,4,6-cycloheptatriene-1-one
- 2-Hydroxy-2,4,6-cycloheptatrienone
- 2-hydroxycyclohepta-2,4,6-trien-1-one
- 2-Hydroxycyclohepta-2,4,6-trienone
- 2-Hydroxytropone
- 2,4,6-Cycloheptatrien-1-one, 2-hydroxy-
- Purpurocatechol
- tropolon
- Tropomyosins
Frequently asked questions
What is tropolone used for?
Tropolone is used as a chelating agent in organic synthesis and as a precursor in the production of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of tropolone?
The formula is C7H6O2 with a molecular weight of 122.12 g/mol.
How should tropolone be stored?
Store at 2 to 8 °C in a cool, dry place, protected from light and moisture.
What grade of tropolone does Molekula supply?
Molekula supplies tropolone in analytical grade.
Can Molekula supply tropolone in bulk?
Yes, Molekula can supply tropolone in bulk quantities—please contact sales for details.
What documentation comes with a tropolone order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.