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4-Aminophenyl Arsonic Acid or Arsanilic Acid USP Grade Supplier Exporter Manufacturers' Representative

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4-Aminophenyl Arsonic Acid or Arsanilic Acid
CAS Number: 98-50-0

Molecular Formula: C6H8AsNO3
Molecular Weight: 217.05

Arsanilic Acid Suppliers
4-Aminophenyl Arsonic Acid or Arsanilic Acid

Arsanilic Acid USP Grade Specifications
C6H8AsNO3 --- 217.05
p-Aminobenzenearsonic acid CAS 98-50-0

Arsanilic Acid contains not less than 98.0 percent and not more than 102.0 percent of C6H8AsNO3, calculated on the dried basis.

Labeling: Label it to indicate that it is for veterinary use only.
Identification: Infrared Absorption 197K .
Loss on drying: Dry it in vacuum at 80C for 4 hours: it loses not more than 0.5% of its weight.
Limit of o-arsanilic acid: To pass the chromatographic test: not more than 0.12% is found.
Limit of aniline: pass the chromatographic test: not more than 0.045% is found.
Assay: Transfer about 125 mg of Arsanilic Acid, accurately weighed, to a 50-mL conical flask, and add 10.0 mL of a mixture of sulfuric acid, nitric acid, and perchloric acid (1000:50:50) and several glass beads. Digest on a hot plate for about 1 hour, increasing the temperature of the hot plate in steps until a ring of sulfuric acid rises into the neck of the flask. Allow to cool, to the colorless solution add about 400 mg of hydrazine sulfate, and heat the flask vigorously on a hot plate until a ring of sulfuric acid rises into the neck of the flask. Allow to cool, and wash down the rim, neck, and insides of the flask with about 1 mL of water. Heat the flask again until a ring of sulfuric acid rises into the neck of the flask. Allow to cool, and transfer the colorless solution, with the aid of about 80 mL of water, to a 125-mL conical flask. Add 10 mL of hydrochloric acid and several drops of 0.002 M potassium iodide, cool to between 0C and 5C and titrate with 0.1 N potassium permanganate to a pale pink endpoint, maintaining the temperature between 0C and 5C during the titration. Perform a blank determination and make any necessary correction. Each mL of 0.1 N potassium permanganate is equivalent to 10.852 mg of C6H8AsNO3.

Please visit SDS Safety Data Sheet of 4-Aminophenyl Arsonic Acid or Arsanilic Acid 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:
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9910 Bent Oak Dr
Houston, TX 77040, USA
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