Dapsone

Name: Dapsone
Brand: Vaqora Chemicals
SKU: VQ-007407

About Dapsone

Dapsone (CAS 80-08-0) is a high-purity reference standard of Dapsone offered by Vaqora Chemicals. The compound has the formula C12H12N2O2S, corresponding to a molecular weight of 248.3 g/mol. Its systematic (IUPAC) name is 4-(4-aminophenyl)sulfonylaniline. It is also known as 4,4′-Sulfonylbis[benzenamine] or 1,1′-Sulfonylbis[4-aminobenzene].

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a reference sample of Dapsone, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Dapsone in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Dapsone

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

Dapsone impurities

Specifications & identifiers

Chemical identifiers
Product name	Dapsone
Catalogue No.	VQ-007407
CAS Number	80-08-0
IUPAC name	4-(4-aminophenyl)sulfonylaniline
Molecular formula	C₁₂H₁₂N₂O₂S
Molecular weight	248.3 g/mol
Exact mass	248.0619
Grade	Reference Standard
HSN code	38229090
InChIKey	MQJKPEGWNLWLTK-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N)S(=O)(=O)C2=CC=C(C=C2)N
PubChem CID	2955

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	2 / 4
TPSA	94.6 Å²
Synonyms	4,4′-Sulfonylbis[benzenamine], 1,1′-Sulfonylbis[4-aminobenzene], 4,4'-Sulfonyldianiline, 4,4′-Dapsone, 4,4′-DDS, 4,4′-Diaminobiphenyl sulfone, 4,4′-Diaminodiphenyl sulfone, 4,4′-Sulfonylbisaniline, 4,4′-Sulfonylbisbenzamine, 4-(4-Aminophenylsulfonyl)benzenamine, 4-Aminophenyl sulfone, Diaphenylsulfone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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

Other grades of CAS 80-08-0

Synthesis

4,4'-Diaminodiphenylsulphone, 98%

CAS: 80-08-0
Formula: C₁₂H₁₂N₂O₂S
MW: 248.3 g/mol

VQ-018999

Frequently asked questions

What is the CAS number of Dapsone?

The CAS Registry Number of Dapsone is 80-08-0. It is also known as 4,4′-Sulfonylbis[benzenamine], 1,1′-Sulfonylbis[4-aminobenzene], 4,4'-Sulfonyldianiline.

What is the molecular formula and molecular weight of Dapsone?

Dapsone has the molecular formula C12H12N2O2S and a molecular weight of 248.3 g/mol. Its IUPAC name is 4-(4-aminophenyl)sulfonylaniline.

What is Dapsone used for?

Dapsone 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 Dapsone can I order?

We supply Dapsone in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dapsone?

Yes. Every lot of Dapsone 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 Dapsone be shipped internationally?

Yes. Dapsone 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.