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Macrogols or Polythylene Glycol
CAS Number: 25322-68-3
Molecular Formula: H(OCH2CH2)nOH
Molecular Weight: Varies
Macrogols or Polythylene Glycol
Polyethylene Glycol USP NF Grade:
Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-;
Polyethylene glycol CAS 25322-68-3
DEFINITION
Polyethylene Glycol is an addition polymer of ethylene oxide and water, represented by the formula H(OCH2CH2)nOH, in which n represents the average number of oxyethylene groups. The average molecular weight is NLT 95.0% and NMT 105.0% of the labeled nominal value if the labeled nominal value is less than 1000; it is NLT 90.0% and NMT 110.0% of the labeled nominal value if the labeled nominal value is between 1000 and 7000; and it is NLT 87.5% and NMT 112.5% of the labeled nominal value if the labeled nominal value is more than 7000. It may contain a suitable antioxidant.
Limit of Free Ethylene Oxide and 1,4-Dioxane: To pass the test by Chromatography.
Limit of Ethylene Glycol and Diethylene Glycol (for Polyethylene Glycol having a nominal molecular weight of 450 or more but NMT 1000): To pass the test.
pH: 5.0 g of Polyethylene Glycol in 100 mL of carbon dioxide-free water. Add 0.30 mL of saturated potassium chloride solution. Acceptance criteria: 4.5–7.5
Completeness and Color of Solution: A solution of 5 g of Polyethylene Glycol in 50 mL of water is colorless; it is clear for liquid grades and NMT slightly hazy for solid grades.
Viscosity—Capillary Methods: To meet the requirement.
We also supply Macrogols EP BP Ph Eur Grade.
Please visit SDS Safety Data Sheet of Macrogols or Polythylene Glycol 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