Bis(diethoxyphosphinyl) disulfide

About Bis(diethoxyphosphinyl) disulfide

Bis(diethoxyphosphinyl) disulfide is an impurity of Ethion carrying the CAS registry number 4403-51-4. Formula C8H20O6P2S2, molecular weight 338.32 g/mol.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Ethion 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.

We offer Bis(diethoxyphosphinyl) disulfide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

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

Industries

Related to Ethion

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

Ethion impurities

Specifications & identifiers

Chemical identifiers
Product name	Bis(diethoxyphosphinyl) disulfide
Catalogue No.	VQ-051871
CAS Number	4403-51-4
Molecular formula	C₈H₂₀O₆P₂S₂
Molecular weight	338.32 g/mol
Grade	Reference Standard
HSN code	38229090

Physical properties
Physical form	Solid

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(diethoxyphosphinyl) disulfide?

The CAS Registry Number of Bis(diethoxyphosphinyl) disulfide is 4403-51-4.

What is the molecular formula and molecular weight of Bis(diethoxyphosphinyl) disulfide?

Bis(diethoxyphosphinyl) disulfide has the molecular formula C8H20O6P2S2 and a molecular weight of 338.32 g/mol.

What is Bis(diethoxyphosphinyl) disulfide used for?

Bis(diethoxyphosphinyl) disulfide is supplied as a characterised reference material related to Ethion. 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(diethoxyphosphinyl) disulfide can I order?

We supply Bis(diethoxyphosphinyl) disulfide 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(diethoxyphosphinyl) disulfide?

Yes. Every lot of Bis(diethoxyphosphinyl) disulfide 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(diethoxyphosphinyl) disulfide be shipped internationally?

Yes. We export Bis(diethoxyphosphinyl) disulfide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.