O,O,S-Triethyldithiophosphate

Name: O,O,S-Triethyldithiophosphate
Brand: Vaqora Chemicals
SKU: VQ-040887

About O,O,S-Triethyldithiophosphate

O,O,S-Triethyldithiophosphate (CAS 2524-09-6) is an impurity of Diazinon offered by Vaqora Chemicals. Formula C6H15O2PS2, molecular weight 214.3 g/mol. Its systematic (IUPAC) name is diethoxy-ethylsulfanyl-sulfanylidene-lambda5-phosphane. It is also known as Ethyl phosphorodithioate or Phosphorodithioic acid, O,O,S-triethyl ester.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

This Diazinon 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 O,O,S-Triethyldithiophosphate 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 Diazinon

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

Diazinon impurities

Specifications & identifiers

Chemical identifiers
Product name	O,O,S-Triethyldithiophosphate
Catalogue No.	VQ-040887
CAS Number	2524-09-6
IUPAC name	diethoxy-ethylsulfanyl-sulfanylidene-lambda5-phosphane
Molecular formula	C₆H₁₅O₂PS₂
Molecular weight	214.3 g/mol
Exact mass	214.0251
Grade	Reference Standard
HSN code	38229090
InChIKey	BZVCTTJRBWHTOF-UHFFFAOYSA-N
SMILES	CCOP(=S)(OCC)SCC
PubChem CID	17306

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	0 / 4
TPSA	75.9 Å²
Synonyms	Ethyl phosphorodithioate, Phosphorodithioic acid, O,O,S-triethyl ester, FMC 7811, Ethyl phosphorodithioate (6CI,7CI), O,O-diethyl (ethylsulfanyl)phosphonothioate, triethyl dithiophosphate, Phosphorothiolothionic acid, o,o,S-triethyl ester

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 O,O,S-Triethyldithiophosphate?

The CAS Registry Number of O,O,S-Triethyldithiophosphate is 2524-09-6. It is also known as Ethyl phosphorodithioate, Phosphorodithioic acid, O,O,S-triethyl ester, FMC 7811.

What is the molecular formula and molecular weight of O,O,S-Triethyldithiophosphate?

O,O,S-Triethyldithiophosphate has the molecular formula C6H15O2PS2 and a molecular weight of 214.3 g/mol. Its IUPAC name is diethoxy-ethylsulfanyl-sulfanylidene-lambda5-phosphane.

What is O,O,S-Triethyldithiophosphate used for?

O,O,S-Triethyldithiophosphate is supplied as a characterised reference material related to Diazinon. 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,S-Triethyldithiophosphate can I order?

We supply O,O,S-Triethyldithiophosphate 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,S-Triethyldithiophosphate?

Yes. Every lot of O,O,S-Triethyldithiophosphate 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,S-Triethyldithiophosphate be shipped internationally?

Yes. O,O,S-Triethyldithiophosphate 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.