O,O-Diethyl hydrogen phosphorothioate

About O,O-Diethyl hydrogen phosphorothioate

O,O-Diethyl hydrogen phosphorothioate is an impurity of Ethion carrying the CAS registry number 2465-65-8. The compound has the formula C4H11O3PS, corresponding to a molecular weight of 170.17 g/mol. Its systematic (IUPAC) name is diethoxy-hydroxy-sulfanylidene-lambda5-phosphane. Alternative names: O,O-diethyl O-hydrogen phosphorothioate and DETP (ester).

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Ethion, 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.

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 Ethion

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

Ethion impurities

Specifications & identifiers

Chemical identifiers
Product name	O,O-Diethyl hydrogen phosphorothioate
Catalogue No.	VQ-051870
CAS Number	2465-65-8
IUPAC name	diethoxy-hydroxy-sulfanylidene-lambda5-phosphane
Molecular formula	C₄H₁₁O₃PS
Molecular weight	170.17 g/mol
Exact mass	170.0167
Grade	Reference Standard
HSN code	38229090
InChIKey	PKUWKAXTAVNIJR-UHFFFAOYSA-N
SMILES	CCOP(=S)(O)OCC
PubChem CID	655

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	1 / 4
TPSA	70.8 Å²
Synonyms	O,O-diethyl O-hydrogen phosphorothioate, DETP (ester), O,O-Diethyl phosphorothionate, Diethyl hydrogen phosphorothionate, Diethylthiophosphoric acid, O,O-Diethyl thiophosphate, Phosphorothioic acid, O,O-diethyl ester, Diethyl phosphothionate, Diethyl phosphorothionate, O,O-Diethyl phosphorothiolate, Diethylthiophosphorate

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 O,O-Diethyl hydrogen phosphorothioate?

The CAS Registry Number of O,O-Diethyl hydrogen phosphorothioate is 2465-65-8. It is also known as O,O-diethyl O-hydrogen phosphorothioate, DETP (ester), O,O-Diethyl phosphorothionate.

What is the molecular formula and molecular weight of O,O-Diethyl hydrogen phosphorothioate?

O,O-Diethyl hydrogen phosphorothioate has the molecular formula C4H11O3PS and a molecular weight of 170.17 g/mol. Its IUPAC name is diethoxy-hydroxy-sulfanylidene-lambda5-phosphane.

What is O,O-Diethyl hydrogen phosphorothioate used for?

O,O-Diethyl hydrogen phosphorothioate 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 O,O-Diethyl hydrogen phosphorothioate can I order?

We supply O,O-Diethyl hydrogen phosphorothioate 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 O,O-Diethyl hydrogen phosphorothioate?

Yes. Every lot of O,O-Diethyl hydrogen phosphorothioate 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 O,O-Diethyl hydrogen phosphorothioate be shipped internationally?

Yes. We export O,O-Diethyl hydrogen phosphorothioate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.