2,2-Dithiobis (pyridine n-oxide), 98%

Name: 2,2-Dithiobis (pyridine n-oxide), 98%
Brand: Vaqora Chemicals
SKU: VQ-011658

About 2,2-Dithiobis (pyridine n-oxide), 98%

2,2-Dithiobis (pyridine n-oxide) is a pyridine derivative carrying the CAS registry number 3696-28-4 with a typical assay of 98%. The compound has the formula C10H8N2O2S2, corresponding to a molecular weight of 252.3 g/mol. The IUPAC name is 1-oxido-2-[(1-oxidopyridin-1-ium-2-yl)disulfanyl]pyridin-1-ium. Alternative names: dipyrithione and Bispyrithione.

The material typically appears as a white to off-white powder. Store it at 2–8 °C, in a tightly closed container. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,2-Dithiobis (pyridine n-oxide), 98%
Catalogue No.	VQ-011658
CAS Number	3696-28-4
IUPAC name	1-oxido-2-[(1-oxidopyridin-1-ium-2-yl)disulfanyl]pyridin-1-ium
Molecular formula	C₁₀H₈N₂O₂S₂
Molecular weight	252.3 g/mol
Exact mass	252.0027
Purity / assay	98%
HSN code	29242990
InChIKey	ZHDBTKPXEJDTTQ-UHFFFAOYSA-N
SMILES	C1=CC=[N+](C(=C1)SSC2=CC=CC=[N+]2[O-])[O-]
PubChem CID	3109

Physical properties
Physical form	Powder
Appearance	White to off-white powder
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 4
TPSA	102 Å²
Storage	2–8 °C
Synonyms	dipyrithione, Bispyrithione, Omadine disulfide, pyrithione disulfide, Pyrithione disulphide, 2,2'-Dithiobis(pyridine 1,1'-dioxide), Pyridine, 2,2'-dithiobis-, 1,1'-dioxide, 1-oxido-2-((1-oxidopyridin-1-ium-2-yl)disulfanyl)pyridin-1-ium, dipyrithione magnesium sulfate, bis(2-pyridyl-1-oxide)disulfide magnesium sulfate, 2,2-Dithiobis(pyridine-n-oxide), Bis(2-pyridyl-N-oxide) disulfide

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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 2,2-Dithiobis (pyridine n-oxide), 98%?

The CAS Registry Number of 2,2-Dithiobis (pyridine n-oxide), 98% is 3696-28-4. It is also known as dipyrithione, Bispyrithione, Omadine disulfide.

What is the molecular formula and molecular weight of 2,2-Dithiobis (pyridine n-oxide), 98%?

2,2-Dithiobis (pyridine n-oxide), 98% has the molecular formula C10H8N2O2S2 and a molecular weight of 252.3 g/mol. Its IUPAC name is 1-oxido-2-[(1-oxidopyridin-1-ium-2-yl)disulfanyl]pyridin-1-ium.

Which grade and pack sizes of 2,2-Dithiobis (pyridine n-oxide), 98% can I order?

We supply 2,2-Dithiobis (pyridine n-oxide), 98% in (98%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,2-Dithiobis (pyridine n-oxide), 98%?

Yes. Every lot of 2,2-Dithiobis (pyridine n-oxide), 98% 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 2,2-Dithiobis (pyridine n-oxide), 98% be shipped internationally?

Yes. 2,2-Dithiobis (pyridine n-oxide), 98% 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.

How should 2,2-Dithiobis (pyridine n-oxide), 98% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.