Tetraethyl Dithiodisuccinate (TDDS)

Name: Tetraethyl Dithiodisuccinate (TDDS)
Brand: Vaqora Chemicals
SKU: VQ-026552

About Tetraethyl Dithiodisuccinate (TDDS)

Listed under CAS 2090-25-7, Tetraethyl Dithiodisuccinate (TDDS) is an impurity of Malathion available from Vaqora Chemicals. With the molecular formula C16H26O8S2, it has a molar mass of 410.5 g/mol. Systematically, it is named diethyl 2-[(1,4-diethoxy-1,4-dioxobutan-2-yl)disulfanyl]butanedioate. It is also known as Tetraethyl dithiodisuccinate or Tetraethyl 2,2'-disulfanediyldisuccinate.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Malathion, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Tetraethyl Dithiodisuccinate (TDDS) in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Malathion

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

Malathion impurities

Specifications & identifiers

Chemical identifiers
Product name	Tetraethyl Dithiodisuccinate (TDDS)
Catalogue No.	VQ-026552
CAS Number	2090-25-7
IUPAC name	diethyl 2-[(1,4-diethoxy-1,4-dioxobutan-2-yl)disulfanyl]butanedioate
Molecular formula	C₁₆H₂₆O₈S₂
Molecular weight	410.5 g/mol
Exact mass	410.1069
Grade	Reference Standard
HSN code	38229090
InChIKey	WGYLQNYATPZUIZ-UHFFFAOYSA-N
SMILES	CCOC(=O)CC(C(=O)OCC)SSC(CC(=O)OCC)C(=O)OCC
PubChem CID	12031871

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 10
TPSA	156 Å²

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 Tetraethyl Dithiodisuccinate (TDDS)?

The CAS Registry Number of Tetraethyl Dithiodisuccinate (TDDS) is 2090-25-7. It is also known as Butanedioic acid, 2,2'-dithiobis-, tetraethyl ester (9CI), Tetraethyl dithiodisuccinate, Tetraethyl 2,2'-disulfanediyldisuccinate.

What is the molecular formula and molecular weight of Tetraethyl Dithiodisuccinate (TDDS)?

Tetraethyl Dithiodisuccinate (TDDS) has the molecular formula C16H26O8S2 and a molecular weight of 410.5 g/mol. Its IUPAC name is diethyl 2-[(1,4-diethoxy-1,4-dioxobutan-2-yl)disulfanyl]butanedioate.

What is Tetraethyl Dithiodisuccinate (TDDS) used for?

Tetraethyl Dithiodisuccinate (TDDS) is supplied as a characterised reference material related to Malathion. 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 Tetraethyl Dithiodisuccinate (TDDS) can I order?

We supply Tetraethyl Dithiodisuccinate (TDDS) 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 Tetraethyl Dithiodisuccinate (TDDS)?

Yes. Every lot of Tetraethyl Dithiodisuccinate (TDDS) 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 Tetraethyl Dithiodisuccinate (TDDS) be shipped internationally?

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