Undecylenic Acid or Undecenoic acid BP Ph Eur USP Grade Suppliers & Manufacturers |
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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.
Specific gravity: between 0.910 and 0.913.
Congealing range: not lower than 21C.
Refractive index: between 1.447 and 1.448.
Residue on ignition: not more than 0.15%.
Water-soluble acids: Shake 5 mL with 5 mL of water and filter the water layer through a filter paper previously moistened with water. Add 1 drop of methyl orange and titrate with 0.01 N sodium hydroxide VS: not more than 1.0 mL of 0.010 N sodium hydroxide is required to match the color produced by 1 drop of methyl orange in 5 mL of water.
Iodine value: between 131 and 138.
Specifications of Undecenoic Acid BP Grade, Ph Eur:
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
Peroxide value: Maximum 10.
Fixed and mineral oils: To 1.0 g add 5 mL of sodium carbonate solution and 25 mL of water and boil for 3 min. The hot solution is not more opalescent than reference suspension.
Water-soluble acids: To 1.0 g add 20 mL of water heated to 35-45C and shake for 2 min. Cool and filter the aqueous layer through a moistened filter. To 10 mL of the filtrate add 0.1 mL of phenolphthalein solution. Not more than 0.1 mL of 0.1 M sodium hydroxide is required to change the colour of the indicator.
Degree of unsaturation: Dissolve 85.0 mg in a mixture of 5 mL of dilute hydrochloric acid and 30 mL of glacial acetic acid. Using 0.05 mL of indigo carmine solution as indicator, added towards the end of the titration, titrate with0.0167 M bromide-bromate until the colour changes from blue to yellow. 8.9 mL to 9.4 mL of0.0167 M bromide-bromate is required. Carry out a blank titration.
Sulphated ash: Maximum 0.1 per cent, determined on 0.50 g.
Undecylenic Acid or Undecenoic acid BP Ph Eur USP Grade Manufacturers:
Muby Chem Ltd.
Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
USA, Canada, Mexico Customers may e-mail: usa@mubygroup.com
Call 1-844-682-9243
Europe Africa Asia India Mumbai e-mail: info@mubygroup.com
Call +91-22-23774610
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Suppliers Manufacturers Exporters Importers between USA Canada UAE Europe Russia South Africa Tanzania Kenya Uganda Egypt Nigeria Turkey Mexico Brazil Argentina Chile Dubai China India etc.
Copyright and Usual Disclaimer is Applicable.
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