Trimethyl Thiophosphate

Name: Trimethyl Thiophosphate
Brand: Vaqora Chemicals
SKU: VQ-032929

About Trimethyl Thiophosphate

Vaqora Chemicals supplies Trimethyl Thiophosphate, an analytical reagent registered under CAS number 152-18-1. The compound has the formula C3H9O3PS, corresponding to a molecular weight of 156.14 g/mol. The IUPAC name is trimethoxy(sulfanylidene)-lambda5-phosphane. Alternative names: O,O,O-Trimethylthiophosphate and Phosphorothioic acid, O,O,O-trimethyl ester.

Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include agrochemical formulations and laboratory analysis. It is used across academic and industrial research and agrochemical production.

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. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Trimethyl Thiophosphate
Catalogue No.	VQ-032929
CAS Number	152-18-1
IUPAC name	trimethoxy(sulfanylidene)-lambda5-phosphane
Molecular formula	C₃H₉O₃PS
Molecular weight	156.14 g/mol
Exact mass	156.001
InChIKey	XWSLYQXUTWUIKM-UHFFFAOYSA-N
SMILES	COP(=S)(OC)OC
PubChem CID	9038

Physical properties
Physical form	Other
LogP (XLogP3)	1.2
H-bond donors / acceptors	0 / 4
TPSA	59.8 Å²
Synonyms	O,O,O-Trimethylthiophosphate, Phosphorothioic acid, O,O,O-trimethyl ester, O,O,O-Trimethyl phosphorothioic acid ester, O,O,O-Trimethyl thiophosphate, O,O,O-Trimethylthiofosfat, (CH3O)3PS, O,O,O-Trimethylester kyseliny thiofosforecne, Trimethyl thionophosphate, trimethylphosphorothionate, Trimethoxyphosphine Sulfide, o,o',o''-Trimethyl thiophosphate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, 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 Trimethyl Thiophosphate?

The CAS Registry Number of Trimethyl Thiophosphate is 152-18-1. It is also known as O,O,O-Trimethylthiophosphate, Phosphorothioic acid, O,O,O-trimethyl ester, O,O,O-Trimethyl phosphorothioic acid ester.

What is the molecular formula and molecular weight of Trimethyl Thiophosphate?

Trimethyl Thiophosphate has the molecular formula C3H9O3PS and a molecular weight of 156.14 g/mol. Its IUPAC name is trimethoxy(sulfanylidene)-lambda5-phosphane.

Which grade and pack sizes of Trimethyl Thiophosphate can I order?

We supply Trimethyl Thiophosphate, 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 Trimethyl Thiophosphate?

Yes. Every lot of Trimethyl Thiophosphate 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 Trimethyl Thiophosphate be shipped internationally?

Yes. Trimethyl Thiophosphate 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.