Urea Industrial Technical Grade & BP Ph Eur USP Analytical Reagent FCC Food Grade Suppliers Exporters, CAS 57-13-6 |
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MSDS of Urea IP BP Ph Eur USP Analytical Reagent FCC Food grade Manufacturers
Urea
Pure Carbamide
Also IP Ph Eur USP Analytical Reagent FCC Food Grades
Specifications of Urea BP Ph Eur
CH4N2O -- 60.1 -- CAS 57-13-6
Action and use
Keratolytic
DEFINITION
Carbamide
Content
98.5 per cent to 101.5 per cent (dried substance).
CHARACTERS
Appearance
White or almost white, crystalline powder or transparent crystals, slightly hygroscopic.
Solubility
Very soluble in water, soluble in alcohol, practically insoluble in methylene chloride.
IDENTIFICATION
First identification A, B.
Second identification A, C, D.
A. Melting point: 132C to 135C.
B. Infrared absorption spectrophotometry.
C. Dissolve 0.1 g in 1 ml of water. Add 1 ml of nitric acid. A white, crystalline precipitate is formed.
D. Heat 0.5 g in a test tube until it liquefies and the liquid becomes turbid. Cool, dissolve in a mixture of 1 ml of dilute sodium hydroxide solution and 10 ml of water and add 0.05 ml of copper sulphate solution. A reddish-violet colour is produced.
TESTS
Meets all the tests for Specifications of Urea BP Ph Eur mongograph.
Urea USP
CH4N2O 60.06
Carbamide.
Urea contains not less than 99.0 percent and not more than 100.5 percent of CH4N2O.
Labeling— Where it is intended for use in preparing injectable dosage forms, the label states that it is sterile or must be subjected to further processing during the preparation of injectable dosage forms.
Identification—
A: Heat about 500 mg in a test tube: it quefies,
and ammonia is evolved. Continue the heating until the liquid becomes turbid, then cool. Dissolve the fused mass in a mixture of 10 mL of water and 1 mL of sodium hydroxide solution (1 in 10), and add 1 drop of cupric sulfate TS: the solution acquires a reddish-violet color.
B: Dissolve 100 mg in 1 mL of water, and add 1 mL of nitric acid: a white crystalline precipitate of urea nitrate is formed.
TESTS
Meets all the tests for Specifications of Urea USP mongograph.
Urea FCC Food Grade
Carbamide
CH4N2O Formula weight 60.06
CAS 57-13-6
DESCRIPTION
Urea occurs as a colorless to white, prismatic, crystalline powder or as small, white pellets. It is commonly produced from CO2 by ammonolysis or from cyanamide by hydrolysis. It is freely soluble in water and in boiling alcohol, but practically insoluble in chloroform and in ether. It melts at a range of 132° to 135°.
Function Fermentation aid.
REQUIREMENTS
Identification:
A. Heat about 500 mg of sample in a test tube until it liquefies. Ammonia vapor is produced. Continue heating until the liquid becomes turbid, and then cool. Dissolve the fused mass in a 1:10 sodium hydroxide solution:water mixture. Add 1 drop of cupric sulfate TS. A red-violet colored solution develops.
B. Dissolve 100 mg of sample in 1 mL of water, and add 1 mL of nitric acid. A white precipitate of urea nitrate forms.
Assay: Not less than 99.0% and not more than 100.5% of CH4N2O.
TESTS
Meets all the tests for Specifications of Urea FCC Food Grade mongograph.
Urea Analytical Reagent
NH2CONH2
Formula Weight 60.06
CAS Number 57-13-6
REQUIREMENTS
| Assay | 99.0-100.5% |
| Melting point | 132-135C |
TESTS
Meets all the tests for Specifications of Urea Analytical Reagent mongograph.
Urea Industrial Technical Grade BP Ph Eur IP USP Analytical Reagent FCC Food grade Manufacturers at:
Muby Group
Chemicals Suppliers, API and Excipient Suppliers, Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
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