Category: Inactive Ingredients
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Polyoxyethylene Alkyl Ethers
General Description Synonyms: Polyoxyethylene alkyl ethers are nonionic surfactants produced by the polyethoxylation of linear fatty alcohols. Products tend to be mixtures of polymers of slightly varying molecular weights, and the numbers used to describe polymer lengths are average values Description: Polyoxyethylene alkyl ethers vary considerably in their physical appearance from liquids, to pastes, to…
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Poly(methyl vinyl ether/maleic anhydride)
General Description Synonyms: Butyl ester of poly(methylvinyl ether-co-maleic anhydride); calcium and sodium salts of poly(methylvinyl ether-co-maleic anhydride); Gantrez. Description: In the solid state, poly(methylvinyl ether/maleic anhydride) copolymers are a white to off-white free flowing, odorless, hygroscopic powders. In solution, poly(methylvinyl ether/maleic anhydride) is a slightly hazy, odorless, viscous liquid. Chemical Name: Functions Bioadhesive material; color…
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Polymethacrylates
General Description Synonyms: Acryl-EZE; acidi methacrylici et ethylis acrylatis polymerisatum; acidi methacrylici et methylis methacrylatis polymerisatum; ammonio methacrylatis copolymerum; copolymerum methacrylatis butylati basicum; Eastacryl; Eudragit; Kollicoat MAE; polyacrylatis dispersio 30 per centum; polymeric methacrylates. Description: Polymethacrylates are synthetic cationic and anionic polymers of dimethylaminoethyl methacrylates, methacrylic acid, and methacrylic acid esters in varying ratios. Several…
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Polyethylene Oxide
General Description Synonyms: Polyox; polyoxiante; polyoxirane; polyoxyethylene. Description: White to off-white, free-flowing powder. Slight ammoniacal odor. Chemical Name: Polyethylene oxide Functions Mucoadhesive; coating agent; tablet binder; thickening agent. Uses Polyethylene oxide can be used as a tablet binder at concentrations of 5–85%. The higher molecular weight grades provide delayed drug release via the hydrophilic matrix…
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Polyethylene Glycol
General Description Synonyms: Carbowax; Carbowax Sentry; Lipoxol; Lutrol E; macrogola; PEG; Pluriol E; polyoxyethylene glycol. Description: The USP32–NF27 describes polyethylene glycol as being an addition polymer of ethylene oxide and water. Polyethylene glycol grades 200–600 are liquids; grades 1000 and above are solids at ambient temperatures. Liquid grades (PEG 200–600) occur as clear, colorless or…
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Poly(DL-Lactic Acid)
General Description Synonyms: DL-Dilactide homopolymer; DL-dilactide polymer; DL-PLA; DL-3,6- dimethyl-1,4-dioxane-2,5-dione homopolymer; DL-PLA; lactic acid homopolymer; D,L-lactic acid homopolymer; D,L-lactic acid polymer; D-lactic acid-L copolymer; DL-lactide polymer; D-lactide-Llactide copolymer; PDLLA; poly (RS)-2-hydroxypropanoic acid; D,L-polylactic acid; poly(dl-lactic acid); polylactide; poly(DL-lactide); poly-DL-lactide; RS-propanoic acid, 2-hydroxy-, homopolymer Description: Poly(DL-lactic acid) is a glassy material, occurring as white to golden-yellow…
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Polydextrose
General Description Synonyms: E1200; Litesse; polydextrose A; polydextrose K; STA-Lite. Description: Polydextrose occurs as an odorless, off-white to light tan powder with a bland, slightly sweet to slightly tart taste, dependent upon grade. Polydextrose is also available as a clear, light yellow to colorless liquid (70% dry substance), which is odorless with a slightly sweet…
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Polycarbophil
General Description Synonyms: Noveon AA-1. Description: Adsorbent; bioadhesive material; controlled-release agent; emulsifying agent; suspending agent; tablet binder; thickening agent. Chemical Name: Polycarbophil Functions Adsorbent; bioadhesive material; controlled-release agent; emulsifying agent; suspending agent; tablet binder; thickening agent. Uses Conventionally, polycarbophil is used as a thickening agent at very low concentrations (less than 1%) to produce a…
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Polacrilin Potassium
General Description Synonyms: Amberlite IRP-88; methacrylic acid polymer with divinylbenzene, potassium salt; polacrilinum kalii. Description: Polacrilin potassium occurs as a cream-colored, odorless and tasteless, free-flowing powder. Aqueous dispersions have a bitter taste. Chemical Name: 2-Methyl-2-propenoic acid polymer with divinylbenzene, potassium salt Functions Antimicrobial preservative. Uses Polacrilin potassium is a cation-exchange resin used in oral pharmaceutical…
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Phospholipids
General Description Synonyms: Coatsome; glycerol phosphatides; Lipoid; phosphatides; phosphatidic acid; phosphatidylcholine; phosphatidylethanolamine; phosphatidylglycerol; phosphatidylinositol; phosphatidylserine; phosphoglycerides; PhosphoLipid; purified egg yolk PC; sphingomyelin. Description: Phospholipids occur as white powders. They are sometimes supplied as clear, nearly colorless chloroform or methylene chloride solutions. Phosphatidylglycerols, phosphatidic acids, and phosphatidylserines are available as sodium or ammonium salts. Phospholipids can…
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Phosphoric Acid
General Description Synonyms:Acid fosforico; acide phosphorique; acidum phosphorum concentratum; E338; hydrogen phosphate; syrupy phosphoric acid. Description: Concentrated phosphoric acid occurs as a colorless, odorless, syrupy liquid. Chemical Name: Orthophosphoric acid [ Functions Acidifying agent. Uses Phosphoric acid is widely used as an acidifying agent in a variety of pharmaceutical formulations. It is used in pharmaceutical…
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Poloxamer
General Description Synonyms: Lutrol; Monolan; Pluronic; poloxalkol; poloxamera; polyethylene– propylene glycol copolymer; polyoxyethylene–polyoxypropylene copolymer; Supronic; Synperonic. Description: Poloxamers generally occur as white, waxy, free-flowing prilled granules, or as cast solids. They are practically odorless and tasteless. At room temperature, poloxamer 124 occurs as a colorless liquid. Chemical Name: a-Hydro-o-hydroxypoly(oxyethylene)poly(oxypropylene) poly- (oxyethylene) block copolymer Functions Dispersing…
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Phenylmercuric Nitrate
General Description Synonyms: Basic phenylmercury nitrate; mercuriphenyl nitrate; merphenyl nitrate; nitratophenylmercury; phenylhydrargyri nitras; phenylmercury nitrate; Phe-Mer-Nite; PMN. Description: Phenylmercuric nitrate PhEur 6.0, and USP32–NF27, is an equimolecular compound of phenylmercuric hydroxide and phenylmercuric nitrate; it occurs as a white, crystalline powder with a slight aromatic odor. Chemical Name: Hydroxyphenylmercury mixture with (nitrato-O)phenylmercury: Functions Antimicrobial preservative.…
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Phenylmercuric Acetate
General Description Synonyms: (Acetato-O)phenylmercury; acetoxyphenylmercury; phenylhydrargyri acetas; phenylmercury acetate; PMA; PMAC; PMAS. Description: Phenylmercuric acetate occurs as a white to creamy white, odorless or almost odorless, crystalline powder or as small white prisms or leaflets. Chemical Name: (Acetato)phenylmercury Functions Antimicrobial preservative; antiseptic. Uses Phenylmercuric acetate is used as an alternative antimicrobial preservative to phenylmercuric borate…
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Phenylethyl Alcohol
General Description Synonyms: Benzeneethanol; benzyl carbinol; benzylmethanol; b-fenylethanol; b-fenethylalkohol; b-hydroxyethyl benzene; PEA; phenethanol; bphenylethyl alcohol; 2-phenylethyl alcohol; phenylethanol. Description: Phenylethyl alcohol is a clear, colorless liquid with an odor of rose oil. It has a burning taste that irritates and then anesthetizes mucous membranes. Chemical Name: 2-Phenylethanol Functions Antimicrobial preservative. Uses Phenylethyl alcohol is used…