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Calamine
CAS Number: 8011-96-9
Calamine
Calamine USP Grade Specifications:
Iron oxide (Fe2O3), mixture with zinc oxide;
Calamine (pharmaceutical preparation)) CAS 8011-96-9
DEFINITION
Calamine is Zinc Oxide with a small proportion of ferric oxide, and contains, after ignition, NLT 98.0% and NMT 100.5% of zinc oxide (ZnO).
IDENTIFICATION
A. Identification Tests—General, Zinc
B.
Sample: 1 g
Analysis: Add 10 mL of 3 N hydrochloric acid to the Sample, heat to boil, and filter.
Acceptance criteria: The filtrate assumes a reddish color upon the addition of ammonium thiocyanate.
Calcium: To pass the test.
Calcium or Magnesium: To pass the test.
Lead: To pass the test.
Acid-Insoluble Substances:
Sample: 2.0 g
Analysis: Dissolve the Sample in 50 mL of 3 N hydrochloric acid. If an insoluble residue remains, collect it on a tared filter, wash with water, and dry at 105C for 1 h. Cool, and weigh.
Acceptance criteria: NMT 40 mg (2.0%)
Alkaline Substances:
Sample: 1.0 g
Analysis: Digest the Sample with 20 mL of water on a steam bath for 15 min, filter, and add 2 drops of phenolphthalein.
Acceptance criteria: If a red color is produced, NMT 0.20 mL of 0.10 N sulfuric acid is required to discharge it.
Loss on Ignition: NMT 2.0% at 500C.
Microbial Enumeration Tests and Tests for Specified Microorganisms: It meets the requirements of the tests for absence of Staphylococcus aureus and Pseudomonas aeruginosa.
We can also supply Calamine of BP Ph Eur Grade.
Please visit SDS Safety Data Sheet of Calamine Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org