4,4-Dichlorodiphenyl Sulfone

Name: 4,4-Dichlorodiphenyl Sulfone
Brand: Vaqora Chemicals
SKU: VQ-025186

About 4,4-Dichlorodiphenyl Sulfone

Listed under CAS 80-07-9, 4,4-Dichlorodiphenyl Sulfone is an impurity of Dapsone available from Vaqora Chemicals. The compound has the formula C12H8Cl2O2S, corresponding to a molecular weight of 287.2 g/mol. Its systematic (IUPAC) name is 1-chloro-4-(4-chlorophenyl)sulfonylbenzene. Alternative names: Bis(4-chlorophenyl) sulfone and p,p'-Dichlorodiphenyl sulfone.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Dapsone to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4,4-Dichlorodiphenyl Sulfone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Dapsone

View every impurity, metabolite and intermediate we list for Dapsone.

Dapsone impurities

Specifications & identifiers

Chemical identifiers
Product name	4,4-Dichlorodiphenyl Sulfone
Catalogue No.	VQ-025186
CAS Number	80-07-9
IUPAC name	1-chloro-4-(4-chlorophenyl)sulfonylbenzene
Molecular formula	C₁₂H₈Cl₂O₂S
Molecular weight	287.2 g/mol
Exact mass	285.9622
Grade	Reference Standard
HSN code	38229090
InChIKey	GPAPPPVRLPGFEQ-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1S(=O)(=O)C2=CC=C(C=C2)Cl)Cl
PubChem CID	6625

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	0 / 2
TPSA	42.5 Å²
Synonyms	Bis(4-chlorophenyl) sulfone, p,p'-Dichlorodiphenyl sulfone, Bis(p-chlorophenyl) sulfone, 4-Chlorophenyl sulfone, 1,1'-Sulfonylbis(4-chlorobenzene), Sulfone, bis(p-chlorophenyl), Di-p-chlorophenyl sulfone, p-Chlorophenyl sulfone, 4,4'-Dichlorodiphenyl sulphone

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P264 + P265, P273, P280, P305 + P351 + P338, P337 + P317, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4,4-Dichlorodiphenyl Sulfone?

The CAS Registry Number of 4,4-Dichlorodiphenyl Sulfone is 80-07-9. It is also known as Bis(4-chlorophenyl) sulfone, p,p'-Dichlorodiphenyl sulfone, Bis(p-chlorophenyl) sulfone.

What is the molecular formula and molecular weight of 4,4-Dichlorodiphenyl Sulfone?

4,4-Dichlorodiphenyl Sulfone has the molecular formula C12H8Cl2O2S and a molecular weight of 287.2 g/mol. Its IUPAC name is 1-chloro-4-(4-chlorophenyl)sulfonylbenzene.

What is 4,4-Dichlorodiphenyl Sulfone used for?

4,4-Dichlorodiphenyl Sulfone is supplied as a characterised reference material related to Dapsone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 4,4-Dichlorodiphenyl Sulfone can I order?

We supply 4,4-Dichlorodiphenyl Sulfone in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,4-Dichlorodiphenyl Sulfone?

Yes. Every lot of 4,4-Dichlorodiphenyl Sulfone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4,4-Dichlorodiphenyl Sulfone be shipped internationally?

Yes. 4,4-Dichlorodiphenyl Sulfone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.