American Molecules - USA

Zinc Stearate or Octadecanoic Acid Zinc Salt USP Grade Supplier Exporter Manufacturers' Representative

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Zinc Stearate or Octadecanoic Acid Zinc Salt
CAS Number: 557-05-1

Molecular Formula: Zn(C18H35O2)2
Molecular Weight: 632.2

Zinc Stearate or Octadecanoic Acid Zinc Salt Suppliers
Zinc Stearate or Octadecanoic Acid Zinc Salt

Specifications of Zinc Stearate USP grade:
Octadecanoic acid, zinc salt;
Zinc stearate CAS 557-05-1.

Zinc Stearate is a compound of zinc with a mixture of solid organic acids obtained from fats and consists chiefly of variable proportions of zinc stearate and zinc palmitate. It contains the equivalent of NLT 12.5% and NMT 14.0% of ZnO.

AIdentification Tests General, Zinc:
Sample solution: Mix 25 g with 200 mL of hot water, add 60 mL of 2 N sulfuric acid, and boil until the fatty acids separate as a transparent layer. Cool the mixture, and remove the solidified layer of fatty acids.
Acceptance criteria: A portion of the water layer meets the requirements.
BCongealing Temperature:
Analysis: Place the separated fatty acids obtained in Identification test A in a filter wetted with water, and wash with boiling water until free from sulfate. Collect the fatty acids in a small beaker, allow to cool, pour off the separated water, then melt the acids. Filter into a dry beaker while hot, and dry at 105C for 20 minutes.
Acceptance criteria: The fatty acids congeal at a temperature not below 54C.

Arsenic: NMT 1.5 ppm
Lead: NMT 10 ppm.
Alkalies and Alkaline Earths:
Sample solution: Mix 2.0 g with 50 mL of water and add 10 mL of hydrochloric acid. Boil until the solution is clear, filter while hot, and wash the separated fatty acids with about 50 mL of hot water. Render the combined filtrate and washings alkaline with 6 N ammonium hydroxide. Add ammonium sulfide to precipitate the zinc completely, dilute with water to 200 mL, mix, and filter.
Analysis: To 100 mL of the clear filtrate add 0.5 mL of sulfuric acid, evaporate to dryness, and ignite to constant weight.
Acceptance criteria: The weight of the residue does not exceed 10 mg (1.0%).
Packaging and Storage: Preserve in well-closed containers.

We also supply Zinc Stearate or Octadecanoic Acid Zinc Salt of BP Ph Eur Grade.

Please visit SDS Safety Data Sheet of Zinc Stearate or Octadecanoic Acid Zinc Salt Suppliers.

American Molecules, also known as 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.

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Suppliers and Manufacturers' Representative:
American Molecules - USA
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665