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254770

Sigma-Aldrich

Potassium ethyl xanthogenate

96%

Synonym(s):

O-Ethylxanthic acid potassium salt, KEX, Potassium O-ethyl dithiocarbonate, Potassium xanthogenate

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About This Item

Linear Formula:
C2H5OCSSK
CAS Number:
140-89-6
Molecular Weight:
160.30
Beilstein:
3596974
EC Number:
205-439-3
MDL number:
MFCD00004931
UNSPSC Code:
12352100
PubChem Substance ID:
24855406
NACRES:
NA.22

Assay

96%

form

powder

mp

210 °C (dec.) (lit.)

solubility

alcohol: soluble(lit.)
water: very soluble(lit.)

SMILES string

[K+].CCOC([S-])=S

InChI

1S/C3H6OS2.K/c1-2-4-3(5)6;/h2H2,1H3,(H,5,6);/q;+1/p-1

InChI key

JCBJVAJGLKENNC-UHFFFAOYSA-M

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Application

Potassium ethyl xanthogenate (ethyl potassium xanthogenate) has been used:
  • in synthesis of unsymmetrical sulfides via cross-coupling reaction, using recyclable CuO nanoparticles under ligand-free conditions
  • as surfactant to investigate the adsorption of colloidal dye Disperse Blue 3 onto pretreated polyester fabric
  • in determination of microgram amounts of cadmium in water samples by substoichiometric radiochemical method

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH018

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Flash Point(F)

204.8 °F

Flash Point(C)

96 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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H Tjälve et al.
The Science of the total environment, 148(2-3), 217-242 (1994-06-06)
Dithiocarbamates, thiuram sulphides, xanthates, pyridinethiones and halogenated 8-hydroxyquinolines are groups of compounds which can form lipophilic complexes with Ni2+. These compounds are widely used as drugs and pesticides, and in industry. We have exposed rodents (mice, rats) and fish (brown
Anthony J Shallop et al.
The Journal of organic chemistry, 68(22), 8657-8661 (2003-10-25)
We have previously reported the use of a 13C tag at the C2 of 15N-multilabeled purine nucleosides to distinguish the adjacent-labeled 15N atoms from those in an untagged nucleoside. We now introduce the use of an indirect tag at the
Yi-Kuo Chang et al.
Journal of hazardous materials, 94(1), 89-99 (2002-07-27)
Although, the xanthate process has been shown to be an effective method for heavy metal removal from contaminated water, a heavy metal contaminated residual sludge is produced by the treatment process and the metal-xanthate sludge must be handled in accordance
M Espinosa-Jiménez et al.
Journal of colloid and interface science, 265(2), 227-233 (2003-09-10)
Data are presented on the adsorption of the colloidal dye Disperse Blue 3 onto polyester fabric (Dacron 54, Stile 777), the fabric being pretreated with different amounts of the surfactant potassium ethyl xanthogenate (PEX). This study has been made by
J Gottofrey et al.
Pharmacology & toxicology, 63(1), 46-51 (1988-07-01)
Brown trouts, Salmo trutta, were exposed to water containing 0.1 or 10 micrograms/l of 63Ni2+, alone or with potassium ethylxanthate or sodium diethyldithiocarbamate. After one and three weeks the accumulation and disposition of the 63Ni2+ in the fish were examined
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