Potassium ethylxanthate

Name: Potassium ethylxanthate
Brand: Vaqora Chemicals
SKU: VQ-010951

About Potassium ethylxanthate

Vaqora Chemicals supplies Potassium ethylxanthate in Synthesis grade, an organosulfur compound registered under CAS number 140-89-6 with a typical assay of 96%. Formula C3H5KOS2, molecular weight 160.3 g/mol. The IUPAC name is potassium ethoxymethanedithioate. Common synonyms include O-Ethylxanthic acid potassium salt and KEX.

The material typically appears as a pale yellow to yellow powder. Key physical data: a melting point of 210 °C. 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.

It is commonly used for coordination chemistry and solvent and extraction work. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and metallurgy and mining.

Vaqora Chemicals supplies Potassium ethylxanthate in 100 g, 500 g, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Coordination chemistry
Solvent & extraction work

Industries

Specifications & identifiers

Chemical identifiers
Product name	Potassium ethylxanthate
Catalogue No.	VQ-010951
CAS Number	140-89-6
IUPAC name	potassium ethoxymethanedithioate
Molecular formula	C₃H₅KOS₂
Molecular weight	160.3 g/mol
Exact mass	159.9419
Grade	Synthesis
Purity / assay	96%
HSN code	29309099
InChIKey	JCBJVAJGLKENNC-UHFFFAOYSA-M
SMILES	CCOC(=S)[S-].[K+]
PubChem CID	2735045

Physical properties
Physical form	Powder
Appearance	Pale yellow to yellow powder
Melting point	210 °C
H-bond donors / acceptors	0 / 3
TPSA	42.3 Å²
UN number	UN 3342
Synonyms	O-Ethylxanthic acid potassium salt, KEX, Potassium O-ethyl dithiocarbonate, Potassium xanthogenate, Potassium ethyl xanthate, Ethylxanthic acid potassium salt, Potassium ethyl xanthogenate, Potassium ethylxanthogenate, Ethyl potassium xanthate, Z 3 (Pesticide), Ethyl potassium xanthogenate, Potassium ethyl dithiocarbonate

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H228Flammable solid
H302+H332Harmful if swallowed or if inhaled
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P210, P240, P241, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378, 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 Potassium ethylxanthate?

The CAS Registry Number of Potassium ethylxanthate is 140-89-6. It is also known as O-Ethylxanthic acid potassium salt, KEX, Potassium O-ethyl dithiocarbonate.

What is the molecular formula and molecular weight of Potassium ethylxanthate?

Potassium ethylxanthate has the molecular formula C3H5KOS2 and a molecular weight of 160.3 g/mol. Its IUPAC name is potassium ethoxymethanedithioate.

Which grade and pack sizes of Potassium ethylxanthate can I order?

We supply Potassium ethylxanthate in Synthesis (96%) grade, in 100 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium ethylxanthate?

Yes. Every lot of Potassium ethylxanthate 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 Potassium ethylxanthate be shipped internationally?

Yes. Potassium ethylxanthate is classified as hazardous (UN 3342), 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.