cas 129-06-6, Warfarin sodium | Articles data

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A PROCESS FOR THE PREPARATION OF WARFARIN SODIUM
Provided are novel solvates of Warfarin sodium namely Acetone- ethyl acetate solvate, ethyl acetate solvate, Ethanol-Heptane solvate, Acetone-Heptane solvate and methods for their preparation. Also provided are methods for making Warfarin sodium from Warfarin via the novel solvates.
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Page/Page column 6-8

(2008/06/13)

PROCESS FOR SYNTHESIS OF PURE WARFARIN ACID, WARFARIN ALKALI METAL SALTS AND CORRESPONDING CLATHRATES
An improved procedure for the purification of warfarin acid. Sodium, potassium and lithium warfarin salts and the corresponding clathrates are prepared in high, pharmacopeial grade purity and good yields from the pure warfarin acid and the respective metal salt bases in suitable media.
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(2008/06/13)

Preparation of warfarin sodium from warfarin sodium-2-propanol clathrate
The present invention is a method for producing warfarin sodium from warfarin sodium 2-propanol clathrate by thermal, nondestructive solvent expulsion. The solvent expulsion is conducted under conditions of controlled heat transfer whereby the 2-propanol is expelled from the warfarin sodium 2-propanol clathrate without decomposition of warfarin sodium or the clathrate. Heating is conducted the clathrate at a temperature from about 100° C. to about 170° C. in an active oven under air or in an inert atmosphere and at partial pressures ranging from that of a relative vacuum to atmospheric pressure. The invention also relates to pure warfarin sodium prepared according to the method of the invention and pharmaceutical compositions containing warfarin sodium.
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(2008/06/13)

Chemical Properties

Appearance/Colour :white or yellowish powder
Melting Point: approximate 161℃
Boiling Point: 515.2oC at 760mmHg
Flash Point:188.8oC
Density: 1.307g/cm3
Solubility:Very soluble in water and in ethanol (96 per cent), soluble in acetone, very slightly soluble in methylene chloride.
Storage Temp.:2-8°C
Merck: 14,10038
PSA: 70.34000
LogP: 4.04780

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129-06-6

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Chemical Properties

Appearance/Colour :white or yellowish powder

Melting Point: approximate 161℃

Boiling Point: 515.2oC at 760mmHg

Flash Point:188.8oC

Density: 1.307g/cm3

Solubility:Very soluble in water and in ethanol (96 per cent), soluble in acetone, very slightly soluble in methylene chloride.

Storage Temp.:2-8°C

Merck: 14,10038

PSA: 70.34000

LogP: 4.04780

Global suppliers and manufacturers of 129-06-6total 124 suppliers on LookChem