Potassium ethylxanthate supplier

Name
Potassium ethylxanthate
EINECS 205-439-3
CAS No. 140-89-6
Article Data76
CAS DataBase
Density 1.558 g/cm³
Solubility Soluble in water.
Melting Point 209-214 °C
Formula C₃H₅KOS₂
Boiling Point 120.5 °C at 760 mmHg
Molecular Weight 161.31
Flash Point 26.7 °C
Transport Information UN 3342
Appearance light green solid
Safety 37/39-26-37-36
Risk Codes 36/37/38-22
Molecular Structure
Hazard Symbols Xn, Xi
Synonyms Carbonicacid, dithio-, O-ethyl ester, potassium salt (8CI);(O-Ethyl dithiocarbonato)potassium;Dithiocarbonic acid O-ethyl ester potassium salt;Ethyl potassium xanthogenate;Ethylxanthic acid potassium salt;KEX;O-Ethyldithiocarbonate potassium salt;PotassiumO-ethyl carbonodithioate;Potassium O-ethyl dithiocarbonate;Potassium xanthate;Z 3;potassium O-ethyl carbonodithioate;
PSA 66.62000
LogP 1.50530

Synthetic route

: 75-15-0
carbon disulfide

: 64-17-5
ethanol

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
With potassium hydroxide In diethyl ether at 20℃;	90%
With potassium hydroxide In water for 1.5h; Cooling with ice;	90%
With potassium hydroxide Cooling with ice;	71.8%

: 75-15-0
carbon disulfide

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
With potassium hydroxide; ethanol

: 51676-67-6
O-ethyl S-(2,4,6-trinitrophenyl) dithiocarbonate

A: 14798-26-6
picrate anion

B: 140-89-6
potassium ethyl xanthogenate

C: 2,4,6-trinitrobenzenethiolate anion

Conditions

Conditions	Yield
With potassium hydroxide; potassium chloride In 1,4-dioxane; water at 25℃; Kinetics; Equilibrium constant; Substitution; hydrolysis;	A 91 % Spectr. B n/a C 9 % Spectr.

...Expand

: 75-15-0
carbon disulfide

alcoholic KOH-solution: alcoholic KOH-solution

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
analoge Verbindungen ('Xanthogensaeuren') entstehen mit anderen Alkoholen oder mit Alkoholaten;

: 75-15-0
carbon disulfide

alcoholic KOH: alcoholic KOH

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
Geschwindigkeit;

: 2314-48-9
(S,S)-dimethyl trithiocarbonate

alcoholic KOH-solution: alcoholic KOH-solution

A: 140-89-6
potassium ethyl xanthogenate

B dimethyl disulfide (?): dimethyl disulfide (?)

...Expand

: 75-15-0
carbon disulfide

: 60-29-7
diethyl ether

potassium hydroxide: potassium hydroxide

: 140-89-6
potassium ethyl xanthogenate

...Expand

: 60-29-7
diethyl ether

: 64-17-5
ethanol

: 502-55-6
bis-ethoxythiocarbonyldisulfane

potassium: potassium

: 140-89-6
potassium ethyl xanthogenate

...Expand

: 64-17-5
ethanol

: 623-79-0
O,S-Diethyl dithiocarbonate

: potassium hydrosulfide

A: 140-89-6
potassium ethyl xanthogenate

B: 75-08-1
ethanethiol

...Expand

: 2905-52-4
bis(ethoxythiocarbonyl) sulfide

alcoholic potash: alcoholic potash

A: 140-89-6
potassium ethyl xanthogenate

B Bender's salt C2H5OCOSK: Bender's salt C2H5OCOSK

...Expand

: 502-55-6
bis-ethoxythiocarbonyldisulfane

alcoholic potassium hydrosulfide: alcoholic potassium hydrosulfide

A: 7783-06-4
hydrogen sulfide

B: 140-89-6
potassium ethyl xanthogenate

C sulfur: sulfur

...Expand

: 502-55-6
bis-ethoxythiocarbonyldisulfane

alcoholic potash: alcoholic potash

A: 140-89-6
potassium ethyl xanthogenate

B: 15719-64-9, 15719-76-3, 97762-63-5
methylammonium carbonate

C sulfur: sulfur

...Expand

: 917-58-8
potassium ethoxide

C2: C2

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
With ethanol
With ethanol

: 64-17-5
ethanol

CS2: CS2

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
With potassium hydroxide

: 64-17-5
ethanol

: 151-50-8
potassium cyanide

: tris (O-ethylxanthato)iron(III)

A: 502-55-6
bis-ethoxythiocarbonyldisulfane

B: 140-89-6
potassium ethyl xanthogenate

C K4: K4

Conditions

Conditions	Yield
bei Luftausschluss;

...Expand

: 75-15-0
carbon disulfide

: 917-58-8
potassium ethoxide

: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
In ethanol Addition;
In ethanol Cooling with ice;	80.0 g

: 502-55-6
bis-ethoxythiocarbonyldisulfane

: 99-85-4
crithmene

A: 99-87-6
4-methylisopropylbenzene

B: 140-89-6
potassium ethyl xanthogenate

Conditions

Conditions	Yield
With sodium phosphate In dichloromethane at 60℃; for 16h; Irradiation;

...Expand

: 140-89-6
potassium ethyl xanthogenate

: 502-55-6
bis-ethoxythiocarbonyldisulfane

Conditions

Conditions	Yield
With iodine In methanol at 20℃;	100%
With bromonitromethane In methanol	95%
With iodine In water at 20℃; for 5h; Dimerization;	95%

: 123-75-1
pyrrolidine

: 140-89-6
potassium ethyl xanthogenate

: 56525-82-7
1-pyrrolidinecarbothioic acid O-ethyl ester

Conditions

Conditions	Yield
With potassium triiodide In water for 0.5h;	100%

: 140-89-6
potassium ethyl xanthogenate

: 870-63-3
prenyl bromide

: 73872-29-4
S-(3-methyl-2-buten-1-yl) O-ethyl dithiocarbonate

Conditions

Conditions	Yield
In acetone for 1h;	100%

: 140-89-6
potassium ethyl xanthogenate

: 26048-46-4
Benzoic acid (3S,7S,10R,13R,17R)-7-bromo-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

: 73872-31-8
S<3β-(benzoyloxy)-5-cholesten-7β-yl> O-ethyl dithiocarbonate

Conditions

Conditions	Yield
In acetone for 1h;	100%

: 140-89-6
potassium ethyl xanthogenate

: 19190-74-0, 19190-75-1
N--carbaminsaeuremethylester

: 98234-86-7, 98234-87-8
ethyl S-threo-3 (methoxycarbamoil) 2-butylxanthate

Conditions

Conditions	Yield
In acetone for 2h; Ambient temperature;	100%

: 140-89-6
potassium ethyl xanthogenate

: 106-95-6
allyl bromide

: 7124-50-7
S-allyl O-ethyl dithiocarbonate

Conditions

Conditions	Yield
In acetone for 1h;	100%

: 20972-64-9
α-bromo-γ-thiobutyrolactone

: 140-89-6
potassium ethyl xanthogenate

: O-ethyl S-(2-oxotetrahydrothiophen-3-yl)carbonodithioate

Conditions

Conditions	Yield
In acetone for 0.75h; Ambient temperature;	100%
In acetone at 0 - 20℃; for 0.75h; Inert atmosphere;	36%

: 140-89-6
potassium ethyl xanthogenate

: C20H31BrO3

: C23H36O4S2

Conditions

Conditions	Yield
In acetone at 20℃; for 0.5h;	100%

: 140-89-6
potassium ethyl xanthogenate

: (E)-7-methyl-1-phenylocta-1,6-dien-3-one

: 538325-62-1
dithiocarbonic acid O-ethyl ester S-(7-methyl-3-oxo-1-phenyl-oct-6-enyl) ester

Conditions

Conditions	Yield
With acetic acid In dichloromethane at 0℃; for 4h; Michael addition;	100%

: 6776-46-1
N-(1-chloro-2,2,2-trifluoro-ethyl)-acetamide

: 140-89-6
potassium ethyl xanthogenate

: 583029-16-7
dithiocarbonic acid S-(1-acetylamino-2,2,2-trifluoro-ethyl) ester O-ethyl ester

Conditions

Conditions	Yield
In acetone at 20℃; for 0.25h;	100%
In acetone at 20℃; for 0.25h;	99%
In ethanol at 25℃;	12.5 g

: 60965-24-4
2-bromo-1-(2-hydroxy-4-methoxy-phenyl)-ethanone

: 140-89-6
potassium ethyl xanthogenate

: 616892-31-0
dithiocarbonic acid ethyl ester [2-(2-hydroxy-4-methoxy-phenyl)-2-oxo-ethyl] ester

Conditions

Conditions	Yield
In acetone at 0℃; for 2h;	100%

: 2-chloro-N-(2-chloro-pyridin-3-yl)-N-isopropyl-acetamide

: 140-89-6
potassium ethyl xanthogenate

: 864365-01-5
dithiocarbonic acid S-{[(2-chloro-pyridin-3-yl)-isopropyl-carbamoyl]-methyl} ester O-ethyl ester

Conditions

Conditions	Yield
In acetone at 20℃; for 1.5h;	100%

: N-tert-butyl-2-chloro-N-(2-chloro-pyridin-3-yl)-acetamide

: 140-89-6
potassium ethyl xanthogenate

: dithiocarbonic acid S-{[tert-butyl-(2-chloro-pyridin-3-yl)-carbamoyl]-methyl} ester O-ethyl ester

Conditions

Conditions	Yield
In acetone at 20℃; for 1.5h;	100%

: 140-89-6
potassium ethyl xanthogenate

: 53981-24-1
2-amino-5-fluorophenol

: 145096-57-7
6-fluoro-1,3-benzoxazole-2-thiol

Conditions

Conditions	Yield
Stage #1: potassium ethyl xanthogenate; 2-amino-5-fluorophenol In ethanol Reflux; Stage #2: With hydrogenchloride In water	100%
In ethanol Reflux;	100%
In ethanol; N,N-dimethyl-formamide for 24h; Reflux;	90%
In ethanol Heating;
In ethanol

: 4519-40-8
2,3-difluoroanilline

: 140-89-6
potassium ethyl xanthogenate

: 154327-29-4
2-mercapto-7-fluorobenzothiazole

Conditions

Conditions	Yield
In N,N-dimethyl-formamide for 4h; Inert atmosphere; Heating;	100%
In N,N-dimethyl-formamide at 100℃; for 4h; Inert atmosphere;	100%
In N,N-dimethyl-formamide at 160℃; for 4h;	89%

: 877082-30-9
4-(1-acetyl-5-bromo-2,3-dihydro-1H-indol-3-yl)-1-chloro-butan-2-one

: 140-89-6
potassium ethyl xanthogenate

: 877082-34-3
dithiocarbonic acid [4-(1-acetyl-5-bromo-2,3-dihydro-1H-indol-3-yl)-2-oxo-butyl] ester ethyl ester

Conditions

Conditions	Yield
In acetone at 20℃; for 4h;	100%

: 305805-18-9
3,4-dihydro-3-benzyl-6-chloro-2-hydrazino-quinazolin-4-one

: 140-89-6
potassium ethyl xanthogenate

: 4-benzyl-7-chloro-1-mercapto-4H-[1,2,4]triazolo[4,3-a]quinazoline-5-one

Conditions

Conditions	Yield
With pyridine for 7h; Heating / reflux;	100%

: C7H11ClF3NO2

: 140-89-6
potassium ethyl xanthogenate

: ethyl [1-(tert-butoxycarbonylamino)-2,2,2-trifluoro-ethyl]sulfanylmethanethioate

Conditions

Conditions	Yield
In acetone at 20℃; for 0.5h;	100%

: 53078-85-6
2-bromo-5-methylaniline

: 140-89-6
potassium ethyl xanthogenate

: 475203-25-9
(2-bromo-5-methylphenylthio)ethoxymethane-1-thione

Conditions

Conditions	Yield
Stage #1: 2-bromo-5-methylaniline With hydrogenchloride In water at 0 - 20℃; for 0.583333h; Stage #2: With sodium nitrite In water at 0℃; for 0.5h; Stage #3: potassium ethyl xanthogenate In water at 0 - 55℃; for 3.16667h;	100%

: 23504-03-2
2,4-dihydroxy-1-isopropylbenzene

: 140-89-6
potassium ethyl xanthogenate

: 1046490-81-6
2,4-dihydroxy-5-isopropylbenzenecarbodithioic acid

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 100℃; Product distribution / selectivity;	100%
In N,N-dimethyl-formamide at 100℃; for 16h;	80%
In N,N-dimethyl-formamide at 100℃; for 12h; Inert atmosphere;	73%
Stage #1: 2,4-dihydroxy-1-isopropylbenzene; potassium ethyl xanthogenate In N,N-dimethyl-formamide at 100℃; for 15h; Inert atmosphere; Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide pH=2 - 3;

: 123563-94-0
4-(4-(12-bromododecyloxy)benzoyloxy)benzoic acid

: 140-89-6
potassium ethyl xanthogenate

: 1043885-40-0
4-(4-(12-(ethoxycarbonothioylthio)dodecyloxy)benzoyloxy)benzoic acid

Conditions

Conditions	Yield
In acetone at 4℃; for 72h; Darkness; Inert atmosphere;	100%

: 1043885-45-5
1,3-phenylene bis(4-(4-(12-bromododecyloxy)benzoyloxy)benzoate)

: 140-89-6
potassium ethyl xanthogenate

: 1043885-46-6
1,3-phenylene bis(4-(4-(12-(ethoxycarbonothioylthio)dodecyloxy)benzoyloxy)benzoate)

Conditions

Conditions	Yield
In acetone at 4℃; for 72h; Darkness; Inert atmosphere;	100%

: 140-89-6
potassium ethyl xanthogenate

: 88931-97-9
p-(ω-bromodecyloxy)benzoic acid

: 1043885-35-3
4-(10-(ethoxycarbonothioylthio)decyloxy)benzoic acid

Conditions

Conditions	Yield
In acetone at 4℃; for 72h; Darkness; Inert atmosphere;	100%

: 140-89-6
potassium ethyl xanthogenate

: 623-48-3
ethyl iodoacetae

: 3278-34-0
ethyl 2-(ethoxythiocarbonylthio)acetate

Conditions

Conditions	Yield
In acetone at 20℃; for 4h;	100%

: 140-89-6
potassium ethyl xanthogenate

: 619-41-0
4-(bromoacetyl)toluene

: 91496-28-5
O-ethyl S-(2-oxo-2-(p-tolyl)ethyl) carbonodithioate

Conditions

Conditions	Yield
Stage #1: 4-(bromoacetyl)toluene With sodium iodide In acetone at 20℃; for 0.166667h; Stage #2: potassium ethyl xanthogenate In acetone at 20℃; for 0.333333h;	100%
In acetone at 23℃; for 1h; Inert atmosphere; stereoselective reaction;	84%
Stage #1: 4-(bromoacetyl)toluene With sodium iodide In acetone at 20℃; for 0.166667h; Stage #2: potassium ethyl xanthogenate In acetone at 20℃;

: 1428846-97-2
N-(4-amino-2-(cyclopropylmethoxy)phenyl)-methanesulfonamide

: 140-89-6
potassium ethyl xanthogenate

: 1428846-98-3
S-3-(cyclopropylmethoxy)-4-(methylsulfonamido)phenyl O-ethyl carbonodithioate

Conditions

Conditions	Yield
Stage #1: N-(4-amino-2-(cyclopropylmethoxy)phenyl)-methanesulfonamide With hydrogenchloride; sodium nitrite In water at 5 - 10℃; for 0.25h; Stage #2: potassium ethyl xanthogenate In water at 65℃; for 0.25h;	100%

: 140-89-6
potassium ethyl xanthogenate

: 28144-70-9
anthranilic acid amide

: 13906-09-7
2-mercapto-3H-quinazolin-4-one

Conditions

Conditions	Yield
With water In ethanol for 20h; Reflux;	100%

: C12H10N4S

: 140-89-6
potassium ethyl xanthogenate

: C13H7N4S2(1-)*K(1+)

Conditions

Conditions	Yield
In isopropyl alcohol	100%

: C12H10N4S

: 140-89-6
potassium ethyl xanthogenate

: C13H7N4S2(1-)*K(1+)

Conditions

Conditions	Yield
In isopropyl alcohol	100%

: C12H11N5

: 140-89-6
potassium ethyl xanthogenate

: C13H8N5S(1-)*K(1+)

Conditions

Conditions	Yield
In isopropyl alcohol	100%

Potassium ethylxanthate Chemical Properties

The Molecular Structure of Potassium ethylxanthate (CAS NO.140-89-6):

Empirical Formula: C₃H₅KOS₂
Molecular Weight: 160.2995
IUPAC Name: potassium ethoxymethanedithioate
Appearance: Light Green Solid
Nominal Mass: 160 Da
Average Mass: 160.2995 Da
Monoisotopic Mass: 159.941887 Da
Flash Point: 26.7 °C
Enthalpy of Vaporization: 34.38 kJ/mol
Boiling Point: 120.5 °C at 760 mmHg
Vapour Pressure: 18.2 mmHg at 25°C
Stability: Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.
Product Categories: Miscellaneous Reagents;Classes of Metal Compounds;K (Potassium) Compounds (excluding simple potassium salts);Typical Metal Compounds
Synonyms: (o-ethyldithiocarbonato)potassium ; Carbonicacid,dithio-,o-ethylester,potassiumsalt ; Carbonodithioicacid,O-ethylester,potassiumsalt ; Dithiocarbonicacid,o-ethylester,potassiumsalt ; Ethylpotassiumxanthate ; Ethylpotassiumxanthogenate ; Ethylxanthatedepotassium ; Ethyl-xanthicacipotassiumsalt

Potassium ethylxanthate Toxicity Data With Reference

1.	orl-rat LD50:1700 mg/kg	GISAAA Gigiena i Sanitariya. 41 (6)(1976),95.
2.	orl-mus LD50:308 mg/kg	GTPZAB Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 29 (11)(1985),51.
3.	scu-mus LDLo:400 mg/kg	AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 12 (1904),447.
4.	ivn-mus LD50:199 mg/kg	AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 135 (1962),330.

Potassium ethylxanthate Consensus Reports

Potassium ethylxanthate (CAS NO.140-89-6) is reported in EPA TSCA Inventory.

Potassium ethylxanthate Safety Profile

Hazard Codes: Harmful Xn Irritant Xi
Risk Statements: 36/37/38-22
R36/37/38: Irritating to eyes, respiratory system and skin
R22: Harmful if swallowed
Safety Statements: 37/39-26-37-36
S37/39: Wear suitable gloves and eye/face protection
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S37: Wear suitable gloves
S36: Wear suitable protective clothing
RIDADR: 3342
RTECS: FG1575000
HazardClass: 4.2
PackingGroup: II
Poison by subcutaneous and intravenous routes. Moderately toxic by ingestion. Combustible when exposed to heat or flame. Moderately explosive in the form of vapor when exposed to flame. Can react with oxidizing materials. To fight fire, use water, CO₂, dry chemical. Incompatible with diazonium salts. When heated to decomposition it emits highly toxic fumes of K₂O and SO_x.

Potassium ethylxanthate Specification

1. Fire Fighting Measures
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
2. Handling and Storage
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Store in a tightly closed container.

Product Name

Potassium ethylxanthate

Synthetic route

Potassium ethylxanthate Chemical Properties

Potassium ethylxanthate Toxicity Data With Reference

Potassium ethylxanthate Consensus Reports

Potassium ethylxanthate Safety Profile

Potassium ethylxanthate Specification

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