Undecylenic Acid or Undecenoic acid BP Ph Eur USP Grade Suppliers Exporters, CAS 112-38-9 |
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SDS MSDS of Undecylenic Acid or Undecenoic acid BP Ph Eur USP Grade Manufacturers
Undecylenic Acid
CAS Number 112-38-9, Undecenoic acid BP Ph Eur USP Grade & Pure
We supply as under:
Specifications of Undecylenic Acid USP Grade:
C11H20O2 --- 184.28
10-Undecenoic acid.
10-Undecenoic acid CAS 112-38-9
Undecylenic Acid contains not less than 97.0 percent and not more than 100.5 percent of C11H20O2.
Identification:
A: To 1 mL add potassium permanganate TS, dropwise: the permanganate color is discharged.
B: Place 3 mL of it and 3 mL of freshly distilled aniline in a tall test tube, and heat for 10 minutes at a rate such that the ring of condensate remains just below the mouth of the tube. Cool, add 10 mL of alcohol and 10 mL of ether, and transfer to a separator. Wash the ether solution with four 20-mL portions of water and discard the water washings. Heat on a steam bath until the odor of ether no longer is perceptible, then add a few mg of activated carbon, mix, and filter. Evaporate the filtrate nearly to dryness and recrystallize the residue from 70 percent alcohol: the anilide so obtained melts between 66C and 67.5C.
TESTS
Meets all the tests for Specifications of Undecylenic Acid USP mongograph.
Specifications of Undecenoic Acid BP Ph Eur Grade:
C11H20O2 --- 184.3 --- CAS 112-38-9
DEFINITION
Undec-10-enoic acid.
Content: 97.0 per cent to 102.0 per cent.
CHARACTERS
Appearance: White or very pale yellow, crystalline mass or colourless or pale-yellow liquid.
Solubility: Practically insoluble in water, freely soluble in ethanol (96 per cent) and in fatty and essential oils.
IDENTIFICATION
A. Refractive index: 1.447 to 1.450, determined at 25±0.5C.
B. Freezing point: 21C to 24C.
C. To 2.0 g 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. After re-crystallising twice from ethanol (70 per cent V/V) and drying in vacuo for 3 h, the residue melts at 66C to 68C.
D. Dissolve 0.1 g in a mixture of 2 mL of dilute sulfuric acid and 5 mL of glacial acetic acid. Add dropwise 0.25 mL of potassium permanganate solution. The colour of the potassium permanganate is discharged.
TESTS
Meets all the tests for Specifications of Undecenoic Acid BP Ph Eur mongograph.
Undecylenic Acid or Undecenoic acid BP Ph Eur USP Grade Manufacturers:
Muby Group
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