Triphenyl Phosphorothionate

Name: Triphenyl Phosphorothionate
Brand: Vaqora Chemicals
SKU: VQ-050692

About Triphenyl Phosphorothionate

Triphenyl Phosphorothionate (CAS 597-82-0) is a process intermediate or related compound of Ascorbic acid offered by Vaqora Chemicals. Formula C18H15O3PS, molecular weight 342.3 g/mol. The IUPAC name is triphenoxy(sulfanylidene)-lambda5-phosphane. It is also known as O,O,O-Triphenyl phosphorothioate or Triphenyl phosphorothioate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is a process intermediate or related compound in the synthesis of Ascorbic acid, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Ascorbic acid

View every impurity, metabolite and intermediate we list for Ascorbic acid.

Ascorbic acid impurities

Specifications & identifiers

Chemical identifiers
Product name	Triphenyl Phosphorothionate
Catalogue No.	VQ-050692
CAS Number	597-82-0
IUPAC name	triphenoxy(sulfanylidene)-lambda5-phosphane
Molecular formula	C₁₈H₁₅O₃PS
Molecular weight	342.3 g/mol
Exact mass	342.048
InChIKey	IKXFIBBKEARMLL-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)OP(=S)(OC2=CC=CC=C2)OC3=CC=CC=C3
PubChem CID	69011

Physical properties
Physical form	Solid
LogP (XLogP3)	6.3
H-bond donors / acceptors	0 / 4
TPSA	59.8 Å²
Synonyms	O,O,O-Triphenyl phosphorothioate, Triphenyl phosphorothioate, Phosphorothioic acid, O,O,O-triphenyl ester, Thiophosphoric acid triphenyl ester, O,O,O-Triphenyl thiophosphate, O,O,O-Triphenylphosphorothioate, Phenyl phosphorothioate, (PhO)3PS, Triphenyl thiophosphate, Triphenoxyphosphine sulfide, triphenylthiophosphate, Tris(phenoxy)-sulfanylidenephosphorane, O,O-Triphenyl thiophosphate

Safety & hazard information (GHS)

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P203, P273, P280, P318, P391, 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 Triphenyl Phosphorothionate?

The CAS Registry Number of Triphenyl Phosphorothionate is 597-82-0. It is also known as O,O,O-Triphenyl phosphorothioate, Triphenyl phosphorothioate, Phosphorothioic acid, O,O,O-triphenyl ester.

What is the molecular formula and molecular weight of Triphenyl Phosphorothionate?

Triphenyl Phosphorothionate has the molecular formula C18H15O3PS and a molecular weight of 342.3 g/mol. Its IUPAC name is triphenoxy(sulfanylidene)-lambda5-phosphane.

What is Triphenyl Phosphorothionate used for?

Triphenyl Phosphorothionate is supplied as a characterised reference material related to Ascorbic acid. 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 Triphenyl Phosphorothionate can I order?

We supply Triphenyl Phosphorothionate, 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 Triphenyl Phosphorothionate?

Yes. Every lot of Triphenyl Phosphorothionate 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 Triphenyl Phosphorothionate be shipped internationally?

Yes. Triphenyl Phosphorothionate 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.