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Carbasalate Calcium BP Grade Manufacturers
Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA and toll manufacturers in China. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, ACS, AR or Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards.
Our manufacturing facility is FDA GMP approved and ISO-9001-2008, ISO 22000-2005 HACCP , FSSAI certified. We are offering products manufactured as per Kosher and Halal approved certified method. We are pre-registered with "Reach" for export to European countries. We can give all solid chemical materials as per specified size or shape.
Carbasalate Calcium SDS of Manufacturers
CAS Number: 5749-67-7, Molecular Weight: 458.4, Chemical Formula: C19-H18-Ca-N2-O9, EINECS EC Number: 227-273-0, FEMA: ----,
Carbasalate Calcium BP Grade
C19H18CaN2O9 -- 458.4 -- 5749-67-7
Equimolecular compound of calcium di[2-(acetyloxy)benzoate] and urea.
Content: 99.0 per cent to 101.0 per cent (anhydrous substance).
Appearance: White or almost white, crystalline powder.
Solubility: Freely soluble in water and in dimethylformamide, practically insoluble in acetone and in anhydrous methanol.
Protect the substance from moisture during handling. Examination in aqueous solutions has to be performed immediately after preparation.
First identification: B, E.
Second identification: A, C, D, E.
A. Ultraviolet and visible absorption spectrophotometry.
Test solution: Dissolve 0.250 g in water and dilute to 100.0 ml with the same solvent. To 1.0 ml of the solution add 75 ml of water and 5 ml of dilute hydrochloric acid, mix and dilute to 100.0 ml with water. Examine immediately.
Spectral range: 220-350 nm.
Absorption maxima: At 228 nm and 276 nm.
Specific absorbances at the absorption maxima:
at 228 nm: 363 to 379,
at 276 nm: 49 to 53.
B. Infrared absorption spectrophotometry. Comparison: Ph. Eur. reference spectrum of carbasalate calcium.
C. Dissolve 0.1 g in 10 ml of water, boil for 2 min and cool. The solution gives reaction (a) of salicylates.
D. Heat 0.2 g with 0.2 g of sodium hydroxide; a yellow or yellowish-brown colour is produced and the vapour turns red litmus paper blue.
E. It gives reaction (a) of calcium.
Appearance of solution: The solution is not more opalescent than reference suspension II and is colourless.
Dissolve 2.5 g in 50 ml of water.
Related substances: Maximum 0.1 per cent, expressed as acetylsalicylsalicylic acid.
In a 100 ml volumetric flask, dissolve 0.150 g in 10 ml of 0.1 M tetrabutylammonium hydroxide in 2-propanol . Allow to stand for 10 min shaking occasionally. Add 8.0 ml of 0.1 M hydrochloric acid and 20.0 ml of a 19 g/l solution of disodium tetraborate and mix. While swirling continuously, add 2.0 ml of a 10 g/l solution of aminopyrazolone and 2.0 ml of a 10 g/l solution of potassium ferricyanide. Allow to stand for 2 min, dilute to 100.0 ml with water, mix and allow to stand for 20 min. Measure the absorbance of the solution at the absorption maximum at 505 nm using water as the compensation liquid. The absorbance is not greater than 0.125.
Impurity C: Maximum 0.5 per cent.
In a 100 ml volumetric flask, dissolve 0.200 g in 80 ml of water and add 10 ml of a 10 g/l solution of ferric nitrate in a 80 g/l solution of dilute nitric acid. Dilute to 100.0 ml with water. Immediately after preparation, measure the absorbance of the solution at the absorption maximum of 525 nm using water as the compensation liquid. The absorbance is not greater than 0.115.
Sodium: Maximum 0.10 per cent.
Heavy metals: Maximum 10 ppm.
Water: Maximum 0.1 per cent, determined on 1.000 g. Use a mixture of 15 ml of anhydrous methanol and 15 ml of dimethylformamide as the solvent.
In a flask with a ground-glass stopper, dissolve 0.400 g in 25 ml of water. Add 25.0 ml of 0.1 M sodium hydroxide . Close the flask and allow to stand for 2 h. Titrate the excess of alkali with 0.1 M hydrochloric acid , using 0.2 ml of phenolphthalein solution. Carry out a blank titration. 1 ml of 0.1 M sodium hydroxide is equivalent to 22.92 mg of C19H18CaN2O9.
Specified impurities: A, B, C.
A. 2-(acetyloxy)benzoic anhydride,
B. 2-[[2-(acetyloxy)benzoyl]oxy]benzoic acid (acetylsalicylsalicylic acid),
C. 2-hydroxybenzoic acid (salicylic acid).
Taloja Mumbai and Ankleshwar Gujarat, INDIA
Representatives in Houston, Chicago and New York, USA
TEL: (OFF) 91-22-23726950, 23774610, 23723564
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Last updated 30-may-17
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Representatives in New York, Houston - Texas, Chicago - Illinois, Los Angeles.
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