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Potassium amylxanthate

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Name

Potassium amylxanthate

EINECS 220-329-5
CAS No. 2720-73-2 Density 1.22
PSA 66.62000 LogP 2.67560
Solubility very faint turbidity Melting Point 19.5~21.5℃
Formula C6H11OS2K Boiling Point 190.7 °C at 760 mmHg
Molecular Weight 202.383 Flash Point 69.1 °C
Transport Information N/A Appearance Yellow or yellowish powder or pellet
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 2720-73-2 (AMYLXANTHIC ACID POTASSIUM SALT) Hazard Symbols N/A
Synonyms

Carbonicacid, dithio-, O-pentyl ester, potassium salt (8CI);Carbonodithioic acid,O-pentyl ester, potassium salt (9CI);Xanthic acid, pentyl-, potassium salt(6CI);Amyl potassium xanthate;Potassiumamylxanthate;Potassium n-amylxanthogenate;Potassium pentyl xanthate;Potassium pentyl xanthogenate;

Article Data 5

Potassium amylxanthate Synthetic route

75-15-0

carbon disulfide

71-41-0

pentan-1-ol

2720-73-2

potassium amylxanthate

Conditions
ConditionsYield
With potassium hydroxide In diethyl ether at 20℃; for 3h;95%
Stage #1: pentan-1-ol With potassium hydroxide for 4h; Schlenk technique; Inert atmosphere;
Stage #2: carbon disulfide Schlenk technique; Inert atmosphere;
75.9%
With potassium hydroxide In Petroleum ether
Stage #1: pentan-1-ol With potassium hydroxide for 1h; Reflux;
Stage #2: carbon disulfide
Stage #1: pentan-1-ol With potassium hydroxide for 0.666667h;
Stage #2: carbon disulfide at 30℃; for 2h;
2720-73-2

potassium amylxanthate

10108-64-2

cadmium(II) chloride

bis(n-pentylxanthato)cadmium(II)

Conditions
ConditionsYield
In water at 20℃; Schlenk technique; Inert atmosphere;87%
2720-73-2

potassium amylxanthate

7646-85-7

zinc(II) chloride

zinc(II)-O-pentan-1-yl-dithiocarbonate

Conditions
ConditionsYield
In water for 2h;86.1%
In water at 20℃; Schlenk technique; Inert atmosphere;78.8%
2720-73-2

potassium amylxanthate

536-38-9

4-chlorobenzoylmethyl bromide

1861-73-0

O-Pentyl-S-(4-chlor-phenacyl)-dithiocarbonat

Conditions
ConditionsYield
In acetone for 0.5h; Heating;83.4%
2720-73-2

potassium amylxanthate

87427-58-5

2-bromo-1-(3-bromo-4-chlorophenyl)ethanone

Dithiocarbonic acid S-[2-(3-bromo-4-chloro-phenyl)-2-oxo-ethyl] ester O-pentyl ester

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;81.6%
2720-73-2

potassium amylxanthate

99-73-0

para-bromophenacyl bromide

1861-53-6

O-Pentyl-S-(4-brom-phenacyl)-dithiocarbonat

Conditions
ConditionsYield
In acetone for 0.5h; Heating;78.8%
2720-73-2

potassium amylxanthate

98-86-2

acetophenone

31197-64-5

pentyl 2-oxo-2-phenylacetate

Conditions
ConditionsYield
With iodine; dimethyl sulfoxide In water at 80℃; for 12h; Schlenk technique;78%
2720-73-2

potassium amylxanthate

molybdenum pentakis(pentylxanthate)

Conditions
ConditionsYield
With molybdenum(V) chloride In dichloromethane; water for 0.5h;68%
10241-05-1

molybdenum(V) chloride

2720-73-2

potassium amylxanthate

molybdenum (IV) n-pentyloxyxanthate

Conditions
ConditionsYield
In dichloromethane; water for 0.5h;65%
1270-98-0

cyclopentadienyl titanium(IV) trichloride

2720-73-2

potassium amylxanthate

93939-53-8

(C5H5)Ti(S2COC5H11)Cl2

Conditions
ConditionsYield
In dichloromethane taking CpTiCl3 and potassium alkyl xanthate in 1:1 molar ratio and adding CH2Cl2 followed by reflux for 22 h; soln. filtered, volume reduced, dry petroleum ether (60-80°C) added and allowed to stand overnight, crystals filtered and dried at 80°C; elem. anal.;48%

Potassium amylxanthate Chemical Properties

Name: Potassium n-amylxanthogenate
Molecular Formula: C6H11KOS2
Formula Weight: 202.38g/mol
Boiling Point: 190.7°C at 760 mmHg
Flash point: 69.1°C
Vapor Pressure: 0.742mmHg at 25°C
EINECS: 220-329-5
Freely Rotating Bonds: 5
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 5
Polar Surface Area: 80.12 Å2
Enthalpy of Vaporization: 40.94 kJ/mol
Synonyms of Potassium amylxanthate (CAS NO.2720-73-2): Aeroxanthate ; Aeroxanthate350 ; Amylpotassiumxanthate ; Carbonicacid , dithio- , o-pentylester,potassiumsalt ; Carbonodithioicacid , o-pentylester,potassiumsalt ; Dithiocarbonicacid , o-pentylester , potassiumsalt ; Dithiocarbonicacido-pentylesterpotassiumsalt ; Ppentylxanthicacid , potassiumsalt .
Product Categories of Potassium amylxanthate (CAS NO.2720-73-2): Beneficiation reagent
Structure of Potassium amylxanthate (CAS NO.2720-73-2):

Potassium amylxanthate Toxicity Data With Reference

1.    

Ivn-mus LD50:99 mg/kg

    AIPTAK    Archives Internationales de Pharmacodynamie et de Therapie. 135 (1962),330.

Potassium amylxanthate Consensus Reports

Reported in EPA TSCA Inventory.

Potassium amylxanthate Safety Profile

RIDADR: 3342
HazardClass: 4.2
PackingGroup: II

Potassium amylxanthate Analytical Methods

Raw materials: Potassium hydroxide -->Carbon disulphide-->1-Pentanol.

Potassium amylxanthate Specification

  Potassium amylxanthate (CAS NO.2720-73-2) is used in the processing of metal of collector.

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