Molekula
Tetrachloro-p-benzoquinone
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
Tetrachloro-p-benzoquinone is a chlorinated organic compound used in organic synthesis and as a reagent in chemical research. It serves as an oxidizing and dehydrogenation reagent, an intermediate for dyes, a rubber vulcanizing agent, and a fungicide for seed treatment. It appears as a yellow to orange crystalline solid. CAS: 118-75-2, Molecular Formula: C6Cl4O2, Molecular Weight: 245.88 g/mol. Store at ambient temperature. Signal word: Warning.
Molekula supplies Tetrachloro-p-benzoquinone at ≥ 99% purity in 100 g and 500 g packs, from $58.70 excl. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 7 languages. Larger quantities, up to multi-tonne, are quoted on request.
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 — $58.70 per pack
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500 g — $177.30 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 | Yellow powder or crystal |
| Melting Point | 290°C - 296°C |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellow leaflets or prisms |
| Melting Point | 290 °C |
| Density | 2 (relative, water = 1) |
| Water Solubility | 250 mg/L at room temperature |
| Vapour Pressure | 5.1 × 10⁻⁶ mmHg at 25 °C |
Source: PubChem CID 8371 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 12120735 |
| CAS Number | 118-75-2 |
| IUPAC Name | 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione |
| EC Number | 204-274-4 |
| Molecular Formula | C6Cl4O2 |
| Molecular Weight | 245.88 |
| Exact Mass | 245.8623 |
| SMILES | C1(=C(C(=O)C(=C(C1=O)Cl)Cl)Cl)Cl |
| InChIKey | UGNWTBMOAKPKBL-UHFFFAOYSA-N |
| InChI | InChI=1S/C6Cl4O2/c7-1-2(8)6(12)4(10)3(9)5(1)11 |
| PubChem CID | 8371 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914794000 |
| Tariff Code | 2914790080 |
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
- H315 Causes skin irritation
- 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
- P261 Avoid breathing 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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
- Chloranil
- Coversan
- p-Chloranil
- Reranil
- Spergon
- Spergon technical
- Tetrachloro-1,4-benzoquinone
- Tetrachlorobenzoquinone
- Tetrachloroquinone
- Vulklor
Frequently asked questions
What is tetrachloro-p-benzoquinone used for?
It is primarily used as a chemical intermediate in organic synthesis, particularly in the production of dyes and pharmaceuticals.
What is the chemical formula and molecular weight?
The formula is C6Cl4O2 with a molecular weight of 245.88 g/mol.
How should tetrachloro-p-benzoquinone be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
It is supplied with an assay of at least 99%, loss on drying of no more than 0.5% and a melting point of 290°C to 296°C; custom purity levels may be requested.
Can Molekula supply it in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for pricing and lead times.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Where can I buy Tetrachloro-p-benzoquinone?
Directly from Molekula, which lists Tetrachloro-p-benzoquinone in 100 g and 500 g packs from $58.70 excl. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Tetrachloro-p-benzoquinone dangerous goods for shipping?
Yes. Tetrachloro-p-benzoquinone ships as dangerous goods: UN3077, class 9, packing group III.
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.