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Ammonium Alginate or Ammonium polymannurate or Algin or Analgine
CAS Number: 9005-34-9
Molecular Formula: (C6H11NO6)n
Molecular Weight: Varies
Ammonium Alginate or Ammonium polymannurate or Algin or Analgine
Ammonium Alginate or Ammonium polymannurate or Algin or Analgine is used in soft drinks (suspending agent), dairy (stabilizer), processed foods (modify texture), rubber latex (creaming agent) and boiler feed-water.
General Properties and Specification of Ammonium Alginate or Ammonium polymannurate or Algin or Analgine:
Appearance: It occurs as a white to yellow, fibrous or granular powder.
Odor: Slight characteristic odor.
Solubility: Slightly soluble in water. Insoluble in alcohol.
Ammonium Alginate FCC Food Grade:
Algin
(C6H7O6NH4)n Formula weight, calculated 193.16
Formula weight, actual (avg.) 217.00
INS: 403 CAS 9005-34-9
DESCRIPTION
Ammonium Alginate occurs as a white to yellow, fibrous or granular powder. It is the ammonium salt of alginic acid. It dissolves in water to form a viscous, colloidal solution. It is insoluble in alcohol and in hydroalcoholic solutions in which the alcohol content is greater than about 30% by weight. It is insoluble in chloroform, in ether, and in acids having a pH lower than about 3.
Function: Stabilizer; thickener; emulsifier.
REQUIREMENTS
Identification:
A. Add 1 mL of calcium chloride to 5 mL of a 1:100 aqueous solution. A voluminous, gelatinous precipitate forms.
B. Add 1 mL of 2.7 N sulfuric acid to 10 mL of a 1:100 aqueous solution. A heavy, gelatinous precipitate forms.
C. Place about 5 mg of sample into a test tube, add 5 mL of water, 1 mL of a freshly prepared 1:100 solution naphtholresorcinol:ethanol, and 5 mL of hydrochloric acid. Heat the mixture to boiling, boil gently for about 3 min, and then cool to about 15C. Transfer the contents of the test tube to a 30-mL separator with the aid of 5 mL of water, and extract with 15 mL of isopropyl ether. Perform a blank determination and make any necessary correction. The isopropyl ether extract from the sample exhibits a deeper purple hue than that from the blank.
D. Add 5 mL of 1 N sodium hydroxide to about 1 g of sample contained in a test tube, and shake the mixture briefly. The odor of ammonia is evident.
Assay: A sample yields not less than 18% and not more than 21% of carbon dioxide (CO2), corresponding to between 88.7% and 103.6% of Ammonium Alginate (equivalent weight 217.00), calculated on the dried basis.
Arsenic: Not more than 3 mg/kg.
Lead: Not more than 5 mg/kg.
Loss on Drying: Not more than 15.0%.
Residue on Ignition (Sulfated Ash): Not more than 7.0%, calculated on the dried basis.
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.
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