Zinc Undecylenate or Zinc Undecenoate USP BP Ph Eur Grade Suppliers & Suppliers Exporters, CAS 557-08-4 |
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SDS MSDS of Zinc Undecylenate Undecenoate USP BP Ph Eur Manufacturers
Zinc Undecylenate Undecenoate
CAS Number 557-08-4, USP BP Ph Eur & Pure
We supply as under:
Zinc Undecylenate USP Grade Specifications:
C22H38O4Zn --- 431.91
10-Undecenoic acid, zinc(2+) salt.
Zinc 10-undecenoate --- CAS 557-08-4
Zinc Undecylenate contains not less than 98.0 percent and not more than 102.0 percent of C22H38O4Zn, calculated on the dried basis.
Identification:
A: Acidify about 5 g with 25 mL of 2 N sulfuric acid, add 20 mL of water, and extract in a separator with two 25-mL portions of ether. Evaporate the ether solution until the odor of ether no longer is perceptible. Add potassium permanganate TS dropwise to a 1-mL portion of this residue: the permanganate color is discharged.
B: A 3-mL portion of the residue of undecylenic acid obtained in Identification test A responds to Identification test B under Undecylenic Acid.
C: Dissolve about 100 mg in a mixture of 10 mL of water and 1 mL of ammonium hydroxide and add a few drops of sodium sulfide TS: a white, flocculent precipitate of zinc sulfide is formed.
TESTS
Meets all the tests for Specifications of Zinc Undecylenate USP Grade mongograph.
Specifications of Zinc Undecenoate BP Ph Eur Grade
C22H38O4Zn -- 431.9 -- 557-08-4
Action and use: Used topically in treatment of fungal infections.
DEFINITION
Zinc di(undec-10-enoate).br>
Content: 98.0 per cent to 102.0 per cent (dried substance).
CHARACTERS
Appearance: White or almost white, fine powder.
Solubility: Practically insoluble in water and in ethanol (96 per cent).
mp: 116C to 121C, it may leave a slight solid residue.
IDENTIFICATION
A. To 2.5 g add 10 ml of water and 10 ml of dilute sulphuric acid. Shake with 2 quantities, each of 10 ml, of ether. Reserve the aqueous layer for identification test C. Wash the combined ether layers with water and evaporate to dryness. To the residue add 2 ml of freshly distilled aniline and boil under a reflux condenser for 10 min. Allow to cool and add 30 ml of ether. Shake with 3 quantities, each of 20 ml, of dilute hydrochloric acid and then with 20 ml of water. Evaporate the organic layer to dryness on a water-bath.
The residue, after recrystallisation twice from ethanol (70 per cent V/V) R and drying in vacuo for 3 h, melts at 66C to 68C.
B. Dissolve 0.1 g in a mixture of 2 ml of dilute sulphuric acid and 5 ml of glacial acetic acid. Add drop-wise 0.25 ml of potassium permanganate solution. The colour of the potassium permanganate solution is discharged.
C. A mixture of 1 ml of the aqueous layer obtained in identification test A and 4 ml of water gives the reaction of zinc.
TESTS
Meets all the tests for Specifications of Zinc Undecenoate BP Ph Eur Grade mongograph.
Zinc Undecylenate Undecenoate USP BP Ph Eur Manufacturers:
Muby Group
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