Benzenamine,4,4`-[oxybis(4,1-phenylenesulfony… 54616-64-7

Name: Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis
Brand: Vaqora Chemicals
SKU: VQ-036545

About Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis

Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis (CAS 54616-64-7) is an impurity of Dapsone offered by Vaqora Chemicals. The compound has the formula C24H20N2O5S2, corresponding to a molecular weight of 480.6 g/mol. The IUPAC name is 4-[4-[4-(4-aminophenyl)sulfonylphenoxy]phenyl]sulfonylaniline. It is also known as 4,4'-Oxybis[p-(phenylsulfonylaniline)] or 4,4'-(Oxybis(4,1-phenylenesulfonyl))dianiline.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Dapsone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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	Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis
Catalogue No.	VQ-036545
CAS Number	54616-64-7
IUPAC name	4-[4-[4-(4-aminophenyl)sulfonylphenoxy]phenyl]sulfonylaniline
Molecular formula	C₂₄H₂₀N₂O₅S₂
Molecular weight	480.6 g/mol
Exact mass	480.0814
Grade	Reference Standard
HSN code	38229090
InChIKey	CAIMXHCQEIPTCR-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N)S(=O)(=O)C2=CC=C(C=C2)OC3=CC=C(C=C3)S(=O)(=O)C4=CC=C(C=C4)N
PubChem CID	18401317

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	2 / 7
TPSA	146 Å²
Synonyms	4-(4-(4-(4-Aminophenyl)sulfonylphenoxy)phenyl)sulfonylaniline, 4,4'-Oxybis[p-(phenylsulfonylaniline)], 4,4'-(Oxybis(4,1-phenylenesulfonyl))dianiline, Dapsone O-Dimer, 4,4'-[Oxybis(4,1-phenylenesulfonyl)]dianiline, 4,4'-[Oxybis(4,1-phenylenesulfonyl)]bisbenzenamine, 4,4'-{Oxybis[(4,1-phenylene)sulfonyl]}dianiline, Benzenamine, 4,4'-[oxybis(4,1-phenylenesulfonyl)]bis- (9CI), 4-(4-(4-(4-aminophenylsulfonyl)phenoxy)phenylsulfonyl)benzenamine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis?

The CAS Registry Number of Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis is 54616-64-7. It is also known as 4-(4-(4-(4-Aminophenyl)sulfonylphenoxy)phenyl)sulfonylaniline, 4,4'-Oxybis[p-(phenylsulfonylaniline)], 4,4'-(Oxybis(4,1-phenylenesulfonyl))dianiline.

What is the molecular formula and molecular weight of Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis?

Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis has the molecular formula C24H20N2O5S2 and a molecular weight of 480.6 g/mol. Its IUPAC name is 4-[4-[4-(4-aminophenyl)sulfonylphenoxy]phenyl]sulfonylaniline.

What is Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis used for?

Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis 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 Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis can I order?

We supply Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis 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 Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis?

Yes. Every lot of Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis 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 Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis be shipped internationally?

Yes. Benzenamine,4,4`-[oxybis(4,1-phenylenesulfonyl)]bis 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.