Molekula
Bis(4-chlorophenyl) sulfone
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
Bis(4-chlorophenyl) sulfone is a synthetic organic compound used in the synthesis of high-performance polymers and specialty chemicals. It serves as a key intermediate in the production of polyarylsulfones and other advanced materials. It is also a precursor to dapsone, which is used as an epoxy resin hardener and as an active pharmaceutical ingredient. CAS: 80-07-9, Molecular Formula: SO2(C6H4Cl)2, Molecular Weight: 287.16 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Bis(4-chlorophenyl) sulfone 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.
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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 to off-white powder |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 233 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Melting Point | 147.9 °C |
| Boiling Point | 250 °C at 10 mmHg |
| Water Solubility | Slightly soluble in water |
| Solubility (other solvents) | Soluble in ethanol and chloroform |
| Vapour Pressure | 8.1 × 10⁻⁷mmHg at 25 °C (Estimated) |
| log P (octanol/water) | 3.9 |
Source: PubChem CID 6625 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90027178 |
| CAS Number | 80-07-9 |
| IUPAC Name | 1-chloro-4-(4-chlorophenyl)sulfonylbenzene |
| EC Number | 201-247-9 |
| Molecular Formula | SO2(C6H4Cl)2 |
| Molecular Weight | 287.16 |
| Exact Mass | 285.9622 |
| SMILES | C1=CC(=CC=C1S(=O)(=O)C2=CC=C(C=C2)Cl)Cl |
| InChIKey | GPAPPPVRLPGFEQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H8Cl2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H |
| PubChem CID | 6625 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309029 |
| Tariff Code | 2930909899 |
Safety & GHS
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- EUH441 Strongly accumulates in the environment and living organisms including in humans
- H319 Causes serious eye irritation
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists 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.
Synonyms
- 1,1'-Sulfonylbis(4-chlorobenzene)
- 4-Chlorophenyl sulfone
- 4,4'-DICHLORODIPHENYL SULFONE
- 4,4'-Dichlorodiphenyl sulphone
- Benzene, 1,1'-sulfonylbis[4-chloro-
- Bis(p-chlorophenyl) sulfone
- Di-p-chlorophenyl sulfone
- p-Chlorophenyl sulfone
- p,p'-Dichlorodiphenyl sulfone
- Sulfone, bis(p-chlorophenyl)
Frequently asked questions
What is Bis(4-chlorophenyl) sulfone used for?
It is primarily used as an intermediate in the synthesis of high-performance polymers and specialty chemicals.
What is the chemical formula and molecular weight?
The formula is SO2(C6H4Cl)2 with a molecular weight of 287.16 g/mol.
How should Bis(4-chlorophenyl) sulfone be stored?
It should be stored at ambient temperature, away from moisture and incompatible substances.
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 details.
What documentation comes with the 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.