Molekula
2-Ethylanthraquinone
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Ethylanthraquinone (CAS 84-51-5) is an organic compound primarily used as a key intermediate in the production of hydrogen peroxide via the anthraquinone process. It functions as a redox catalyst, enabling efficient peroxide synthesis in industrial applications. This chemical has a molecular formula of C16H12O2 and a molecular weight of 236.27 g/mol. It is stable at ambient storage conditions but requires careful handling due to its classification as a hazardous substance, with a signal word of Warning. Molekula supplies 2-Ethylanthraquinone 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
In stock — same-day dispatch
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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100 g — £24.80 per pack ex VAT · £29.76 inc. VAT
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500 g — £77.90 per pack ex VAT · £93.48 inc. VAT
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 yellow flake powder |
| Melting Point | 108-118 °c |
| Water | ≤0.5% |
| Identification | Conforms to reference |
| Assay | ≥99.0% |
| Iron (Fe) | ≤10 mg/kg |
| Sulphur (S) | ≤20 mg/kg |
| Chlorine (Cl) | ≤20 mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.00000102 mmHg |
Source: PubChem CID 6772 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 43238435 |
| CAS Number | 84-51-5 |
| IUPAC Name | 2-ethylanthracene-9,10-dione |
| EC Number | 201-535-4 |
| Molecular Formula | C16H12O2 |
| Molecular Weight | 236.27 |
| Exact Mass | 236.0837 |
| SMILES | CCC1=CC2=C(C=C1)C(=O)C3=CC=CC=C3C2=O |
| InChIKey | SJEBAWHUJDUKQK-UHFFFAOYSA-N |
| InChI | InChI=1S/C16H12O2/c1-2-10-7-8-13-14(9-10)16(18)12-6-4-3-5-11(12)15(13)17/h3-9H,2H2,1H3 |
| PubChem CID | 6772 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29146960 |
| Tariff Code | 2914698010 |
Safety & GHS
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H303 May be harmful if swallowed
- H341 Suspected of causing genetic defects
- H373 May cause damage to organs through prolonged or repeated exposure
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P308+313 IF exposed or concerned: Get medical advice/attention
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-Ethyl-9,10-anthraquinone
- 2-ethylanthracene-9,10-dione
- 2Ethyl9,10anthracenedione
- 2Ethylanthrachinon
- 2Ethylantrachinon
- 9,10-Anthracenedione, 2-ethyl-
- Anthraquinone, 2-ethyl-
- beta-Ethylanthraquinone
- USAF SO-1
Frequently asked questions
What is 2-Ethylanthraquinone (CAS 84-51-5) commonly used for?
It is primarily used as the hydrogen carrier in the anthraquinone process for the industrial production of hydrogen peroxide, and as a photoinitiator in UV-curable coatings and inks.
What is the molecular formula and molecular weight of 2-Ethylanthraquinone?
The molecular formula is C16H12O2, and the molecular weight is 236.27 g/mol.
What safety classification does 2-Ethylanthraquinone have, and how should it be stored?
The signal word is Warning, and it should be stored at ambient conditions in a cool, dry place away from incompatible substances.
What grades or purities of 2-Ethylanthraquinone does Molekula supply?
Molekula supplies technical grade and high-purity (98%+) 2-Ethylanthraquinone; please inquire for exact specifications.
Can Molekula supply 2-Ethylanthraquinone in bulk quantities?
Yes, Molekula can supply bulk quantities of 2-Ethylanthraquinone; minimum order quantities and packaging options vary by grade.
What documentation comes with an order of 2-Ethylanthraquinone?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a packing list with batch-specific details.
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.