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Proxan sodium

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Name

Proxan sodium

EINECS 205-443-5
CAS No. 140-93-2 Density 1.225
PSA 66.62000 LogP 1.89380
Solubility Complete solubility in water Melting Point 216-218°C(lit.)
Formula C4H7NaOS2 Boiling Point 138 °C at 760 mmHg
Molecular Weight 158.221 Flash Point 37.2 °C
Transport Information N/A Appearance White to yellowish powder or lumps
Safety 13-61 Risk Codes 22-38-51/53
Molecular Structure Molecular Structure of 140-93-2 (Proxan sodium) Hazard Symbols DangerousN,HarmfulXn
Synonyms

Carbonicacid, dithio-, O-isopropyl ester, sodium salt (8CI);Aeroxanthate 343;Good-rite Nix;NIX;O-Isopropyl sodium dithiocarbonate;O-Isopropyl sodium xanthate;Sodium O-isopropyl dithiocarbonate;Sodiumisopropylxanthogenate;Z 11;

Article Data 9

Proxan sodium Synthetic route

75-15-0

carbon disulfide

67-63-0

isopropyl alcohol

140-93-2

sodium isopropylxanthate

Conditions
ConditionsYield
With sodium hydroxide In Petroleum ether
With sodium hydroxide In toluene at 25 - 30℃; for 2h;
Stage #1: isopropyl alcohol With sodium at 65℃; for 3h; Inert atmosphere;
Stage #2: carbon disulfide for 1h;
136.67 g
Stage #1: isopropyl alcohol With sodium at 65℃; for 6h; Inert atmosphere;
Stage #2: carbon disulfide at 35℃; for 1h;
136.67 g
67-63-0

isopropyl alcohol

CS2

CS2

140-93-2

sodium isopropylxanthate

Conditions
ConditionsYield
With sodium hydroxide
75-15-0

carbon disulfide

683-60-3

sodium isopropylate

140-93-2

sodium isopropylxanthate

Conditions
ConditionsYield
at 0 - 20℃;

cis-dichlorodioxobis(triphenylphosphine oxide)molybdenum(VI)

140-93-2

sodium isopropylxanthate

(dioxomolybdenum)Cl(isopropyl xanthate)(triphenylphosphine oxide)

Conditions
ConditionsYield
In dichloromethane byproducts: OP(C6H5)3, NaCl; soln. of MoO2Cl2(OP(C6H5)3)2 in CH2Cl2 added with stirring at room temp.to susp. of Na(C3H7OCS2)2 in CH2Cl2, mixt. stirring 3 h; NaCl fitered off, washed with CH2Cl2, filtrate concd., solid dried in vacuo and repeated washing with dried benzene; elem. anal.;98%
140-93-2

sodium isopropylxanthate

100-44-7

benzyl chloride

51698-64-7

2-propylcarbonothioylthiomethylbenzene

Conditions
ConditionsYield
In water at 75℃; for 4h;97.1%
at 75℃; for 3h;
at 75℃; for 3h;
140-93-2

sodium isopropylxanthate

541-41-3

chloroformic acid ethyl ester

67969-80-6

S-ethoxycarbonyl O-2-propyl dithiocarbonate

Conditions
ConditionsYield
With cetyltrimethylammonim bromide In N,N-dimethyl-aniline at 10 - 25℃; for 6.5h;97.1%
140-93-2

sodium isopropylxanthate

4-anisidinium hydrogen sulfate

C11H15NO2S

Conditions
ConditionsYield
Stage #1: sodium isopropylxanthate; 4-anisidinium hydrogen sulfate With dihydrogen peroxide In water at 40℃; for 1.1h; Green chemistry;
Stage #2: With sulfuric acid In water at 80℃; for 2.2h; pH=7; Green chemistry;
97%
65087-26-5

diisopropylammonium hydrogen sulphate

140-93-2

sodium isopropylxanthate

C10H21NOS

Conditions
ConditionsYield
Stage #1: diisopropylammonium hydrogen sulphate; sodium isopropylxanthate With dihydrogen peroxide In water at 45℃; for 1.4h; Green chemistry;
Stage #2: With sulfuric acid In water at 80℃; for 2.3h; pH=7; Green chemistry;
96%
140-93-2

sodium isopropylxanthate

2424-53-5

aniline sulfate

10129-28-9

phenyl-thiocarbamic acid S-iso-propyl ester

Conditions
ConditionsYield
Stage #1: sodium isopropylxanthate; aniline sulfate With dihydrogen peroxide In water at 40℃; for 1h; Green chemistry;
Stage #2: With sulfuric acid In water at 100℃; for 2h; pH=7; Green chemistry;
96%
908126-51-2

di-n-propylammonium hydrogen sulphate

140-93-2

sodium isopropylxanthate

C10H21NOS

Conditions
ConditionsYield
Stage #1: di-n-propylammonium hydrogen sulphate; sodium isopropylxanthate With dihydrogen peroxide In water at 40℃; for 1h; Green chemistry;
Stage #2: With sulfuric acid In water at 70℃; for 2h; pH=7; Green chemistry;
95%

Proxan sodium Specification

The IUPAC name of Proxan-sodium is sodium propan-2-yloxymethanedithioate. With the CAS registry number 140-93-2, it is also named as Sodium isopropyl xanthate. The product's category is Inorganic & Organic Chemicals. Besides, it is mainly used for the flotation and collection of non-ferrous metal sulphide, which should be stored in ventilated and dry warehouse at low temperature. In addition, its molecular formula is C4H7NaOS2 and molecular weight is 158.21.

The other characteristics of Proxan-sodium can be summarized as: (1)EINECS: 205-443-5; (2)ACD/LogP: 2.29; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): -0.58; (5)ACD/LogD (pH 7.4): -1.42; (6)ACD/BCF (pH 5.5): 1; (7)ACD/BCF (pH 7.4): 1; (8)ACD/KOC (pH 5.5): 1; (9)ACD/KOC (pH 7.4): 1; (10)#H bond acceptors: 1; (11)#H bond donors: 0; (12)#Freely Rotating Bonds: 2; (13)Polar Surface Area: 80.12 Å2; (14)Flash Point: 37.2 °C; (15)Enthalpy of Vaporization: 35.98 kJ/mol; (16)Boiling Point: 138 °C at 760 mmHg; (17)Vapour Pressure: 8.55 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following: it is harmful if swallowed and irritating to skin. It is also toxic to aquatic organisms that may cause long-term adverse effects in the aquatic environment. Please keep away from food, drink and animal foodstuffs. Moreover, please avoid release to the environment. Refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
(1)SMILES: [Na+].[S-]C(=S)OC(C)C
(2)InChI: InChI=1/C4H8OS2.Na/c1-3(2)5-4(6)7;/h3H,1-2H3,(H,6,7);/q;+1/p-1
(3)InChIKey: IRZFQKXEKAODTJ-REWHXWOFAU
(4)Std. InChI: InChI=1S/C4H8OS2.Na/c1-3(2)5-4(6)7;/h3H,1-2H3,(H,6,7);/q;+1/p-1
(5)Std. InChIKey: IRZFQKXEKAODTJ-UHFFFAOYSA-M

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo parenteral 600mg/kg (600mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 7, Pg. 696, 1955.

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