Molekula
Tetrachloro-p-benzoquinone
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
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 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.
-
100 g — £30.90 per pack ex VAT · £37.08 inc. VAT
-
500 g — £93.30 per pack ex VAT · £111.96 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 | 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
-
Corrosive
GHS05
-
Health Hazard
GHS07
-
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.
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?
Available in technical grade; 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.
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.