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Propionic Acid USP NF FCC Food Grade Supplier Exporter Manufacturers' Representative |
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Propionic Acid
CAS Number: 79-09-4
Molecular Formula: CH3CH2COOH
Molecular Weight: 74.08
Propionic Acid
Propionic Acid USP NF Grade Specifications
Propionic Acid contains not less than 99.5 percent and not more than 100.5 percent, by weight, of C3H6O2.
Specific gravity: between 0.988 and 0.993.
Distilling range: between 138.5 and 142.5 .
Heavy metals: To the residue obtained in the test for Nonvolatile residue add 8 mL of 0.1 N hydrochloric acid, warm gently until solution is complete, dilute with water to 100 mL, and use 10 mL of the solution: the limit is 0.001%.
Limit of nonvolatile residue: Evaporate 20 g in a tared dish, and dry at 105 for 1 hour: the weight of the residue does not exceed 2.0 mg.
Readily oxidizable substances: Dissolve 15 g of sodium hydroxide in 50 mL of water, cool, add 6 mL of bromine, stirring to effect complete solution, and dilute with water to 2000 mL. Transfer 25.0 mL of this solution to a glass-stoppered, 250-mL conical flask containing 100 mL of water, and add 10 mL of sodium acetate solution (1 in 5) and 10.0 mL of Propionic Acid. Allow to stand for 15 minutes, add 5 mL of potassium iodide solution (1 in 4) and 10 mL of hydrochloric acid, and titrate with 0.1 N sodium thiosulfate VS just to the disappearance of the brown color. Perform a blank determination. The difference between the volume of 0.1 N sodium thiosulfate required for the blank and that required for the test specimen is not more than 2.2 mL.
Limit of aldehydes: Transfer 10.0 mL to a glass-stoppered, 250-mL conical flask containing 50 mL of water and 10.0 mL of sodium bisulfite solution (1 in 80), insert the stopper, and shake vigorously. Allow the mixture to stand for 30 minutes, then titrate with 0.1 N iodine to the same brownish yellow endpoint obtained with a blank treated with the same quantities of the same reagents. The difference between the volume of 0.1 N iodine required for the blank and that required for the test specimen is not more than 1.75 mL.
Propionic Acid FCC Food Grade Specifications
CH3CH2COOH
C3H6O2 Formula weight 74.08
INS: 280 CAS 79-09-4
DESCRIPTION
Propionic Acid occurs as an oily liquid. It is miscible with water, with alcohol, and with various other organic solvents.
Function: Preservative; mold inhibitor.
REQUIREMENTS
Assay: Not less than 99.5% and not more than 100.5% of C3H6O2, calculated on the anhydrous basis.
Aldehydes (as propionaldehyde): Passes test (limit about 0.05%).
Distillation Range: Between 138.5° and 142.5°.
Lead: Not more than 2 mg/kg.
Nonvolatile Residue: Not more than 0.01%.
Readily Oxidizable Substances: (as formic acid) Passes test (limit about 0.05%).
Specific Gravity: Between 0.993 and 0.997 at 20C.
Water: Not more than 0.15%.
Please visit SDS Safety Data Sheet of Propionic Acid 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