Prothiofos

Name: Prothiofos
Brand: Vaqora Chemicals
SKU: VQ-049661

About Prothiofos

Listed under CAS 34643-46-4, Prothiofos is an organic building block available from Vaqora Chemicals. The compound has the formula C11H15Cl2O2PS2, corresponding to a molecular weight of 345.2 g/mol. Its systematic (IUPAC) name is (2,4-dichlorophenoxy)-ethoxy-propylsulfanyl-sulfanylidene-lambda5-phosphane. Alternative names: BAY ntn 8629 and Prothiofos [BSI:ISO].

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Prothiofos
Catalogue No.	VQ-049661
CAS Number	34643-46-4
IUPAC name	(2,4-dichlorophenoxy)-ethoxy-propylsulfanyl-sulfanylidene-lambda5-phosphane
Molecular formula	C₁₁H₁₅Cl₂O₂PS₂
Molecular weight	345.2 g/mol
Exact mass	343.9628
InChIKey	FITIWKDOCAUBQD-UHFFFAOYSA-N
SMILES	CCCSP(=S)(OCC)OC1=C(C=C(C=C1)Cl)Cl
PubChem CID	36870

Physical properties
Physical form	Other
LogP (XLogP3)	4.9
H-bond donors / acceptors	0 / 4
TPSA	75.9 Å²
Synonyms	Phosphorodithioic acid, O-(2,4-dichlorophenyl) O-ethyl S-propyl ester, o-(2,4-Dichlorophenyl) o-ethyl S-propyl phosphorodithioate, O-(2,4-dichlorophenyl) O-ethyl S-propyl phosphorodithionate, BAY ntn 8629, O-(2,4-Dichlorophenyl) O-ethyl S-propyl dithiophosphate, Prothiofos [BSI:ISO], NTN-8629, O-(2,4-Dichlorophenyl) O-ethyl S-propylphosphorodithioate, O-Ethyl-O-(2,4-dichlorophenyl)-S-n-propyl-dithiophosphate, o-(2,4-Dichlorophenyl) o-ethyl S-propyl dithiophosphate #

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H330Fatal if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P264, P270, P271, P273, P284, P301 + P317, P304 + P340, P316, P320, P330, 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 Prothiofos?

The CAS Registry Number of Prothiofos is 34643-46-4. It is also known as Phosphorodithioic acid, O-(2,4-dichlorophenyl) O-ethyl S-propyl ester, o-(2,4-Dichlorophenyl) o-ethyl S-propyl phosphorodithioate, O-(2,4-dichlorophenyl) O-ethyl S-propyl phosphorodithionate.

What is the molecular formula and molecular weight of Prothiofos?

Prothiofos has the molecular formula C11H15Cl2O2PS2 and a molecular weight of 345.2 g/mol. Its IUPAC name is (2,4-dichlorophenoxy)-ethoxy-propylsulfanyl-sulfanylidene-lambda5-phosphane.

Which grade and pack sizes of Prothiofos can I order?

We supply Prothiofos, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Prothiofos?

Yes. Every lot of Prothiofos 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 Prothiofos be shipped internationally?

Yes. Prothiofos 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.