Bis(4-nitrophenyl) Sulfone

Name: Bis(4-nitrophenyl) Sulfone
Brand: Vaqora Chemicals
SKU: VQ-036541

About Bis(4-nitrophenyl) Sulfone

Bis(4-nitrophenyl) Sulfone (CAS 1156-50-9) is an impurity of Dapsone offered by Vaqora Chemicals. Its molecular formula is C12H8N2O6S and its molecular weight is 308.27 g/mol. Systematically, it is named 1-nitro-4-(4-nitrophenyl)sulfonylbenzene. It is also known as Bis(4-nitrophenyl) sulphone or 4-Nitrophenyl sulfone.

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.

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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Bis(4-nitrophenyl) Sulfone in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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	Bis(4-nitrophenyl) Sulfone
Catalogue No.	VQ-036541
CAS Number	1156-50-9
IUPAC name	1-nitro-4-(4-nitrophenyl)sulfonylbenzene
Molecular formula	C₁₂H₈N₂O₆S
Molecular weight	308.27 g/mol
Exact mass	308.0103
Grade	Reference Standard
HSN code	38229090
InChIKey	BVHNGWRPAFKGFP-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1[N+](=O)[O-])S(=O)(=O)C2=CC=C(C=C2)[N+](=O)[O-]
PubChem CID	70871

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	0 / 6
TPSA	134 Å²
Synonyms	Bis(4-nitrophenyl) sulphone, 4-Nitrophenyl sulfone, 4,4'-Dinitrodiphenyl sulfone, 1-nitro-4-(4-nitrobenzenesulfonyl)benzene, 1,1'-Sulfonylbis(4-nitrobenzene), 4,4'-Dinitrodiphenylsulfone, 4,4'-sulfonylbis(nitrobenzene), 1-nitro-4-(4-nitrophenyl)sulfonyl-benzene, 1,1'-Sulfonylbis[4-nitrobenzene]

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 Bis(4-nitrophenyl) Sulfone?

The CAS Registry Number of Bis(4-nitrophenyl) Sulfone is 1156-50-9. It is also known as Bis(4-nitrophenyl) sulphone, 4-Nitrophenyl sulfone, 4,4'-Dinitrodiphenyl sulfone.

What is the molecular formula and molecular weight of Bis(4-nitrophenyl) Sulfone?

Bis(4-nitrophenyl) Sulfone has the molecular formula C12H8N2O6S and a molecular weight of 308.27 g/mol. Its IUPAC name is 1-nitro-4-(4-nitrophenyl)sulfonylbenzene.

What is Bis(4-nitrophenyl) Sulfone used for?

Bis(4-nitrophenyl) 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 Bis(4-nitrophenyl) Sulfone can I order?

We supply Bis(4-nitrophenyl) 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 Bis(4-nitrophenyl) Sulfone?

Yes. Every lot of Bis(4-nitrophenyl) 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 Bis(4-nitrophenyl) Sulfone be shipped internationally?

Yes. Bis(4-nitrophenyl) 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.