med 5

3 months ago

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Sodium Acetate Nonproprietary Names BP: Sodium acetate JP: Sodium acetate PhEur: Natrii acetas trihydricus USP: Sodium acetate Synonyms Acetic acid, sodium salt; E262; sodium ethanoate. Chemical Name and CAS Registry Number Sodium acetate anhydrous [127-09-3] Sodium acetate trihydrate [6131-90-4] Empirical Formula and Molecular Weight C2H3NaO2 82.0 (for anhydrous) C2H3NaO2·3H2O 136.1 (for trihydrate) Note that the trihydrate is the material described in the JP2001, PhEur 2005 and USP 28, although the PhEur 2005 is the only pharmacopeia that makes this explicit with t... más información

med 53 months ago

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Incompatibilities Shellac is chemically reactive with aqueous alkalis, organic bases, alcohols, and agents that esterify hydroxyl groups. Therefore, shellac should be used with caution in the presence of such compounds. Method of Manufacture Shellac or lac is obtained by purification of the resinous secretion of the insect Laccifero (Tachardia) lacca Kerr (Homoptera, Coccidae). The insect lives on the sap of the stems of various trees; secretions are found most abundantly on the smaller branches and twigs, which are broken off and constitute sticklac. After scraping of the twi... más información

med 53 months ago

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Specific surface area: 0.25 m2/g to 2.5 mg/kg body-weight for saccharin, including its salts.(3) In the UK, the Committee on Toxicity of Chemicals in Food, Consumer Products, and the Environment (COT) has set an acceptable daily intake for saccharin and its salts (expressed as saccharin sodium) at up to 5 mg/kg body-weight.(4) LD50 (mouse, oral): 17.5 g/kg(5) LD50 (rat, IP): 7.1 g/kg LD50 (rat, oral): 14.2 g/kg Handling Precautions Observe normal precautions appropriate to the circumstances and quantity of material handled. Eye protection and a dust mask are recommended. R... más información

med 53 months ago

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2-Pyrrolidone Nonproprietary Names None adopted. Synonyms g-Aminobutyric acid lactam; 4-aminobutyric acid lactam; g- aminobutyric lactam; g-aminobutyrolactam; g-butyrolactam; butyrolactam; 2-oxopyrrolidine; 2-Pyrol; a-pyrrolidinone; pyr- rolidone; a-pyrrolidone; Soluphor P. Chemical Name and CAS Registry Number Pyrrolidinone [616-45-5] Empirical Formula and Molecular Weight C4H7NO 85.11 Structural Formula Functional Category Penetration enhancer; plasticizer; solvent; solubilizing agent. Applications in Pharmaceutical Formulation or Technology Pyrrolidones... más información

med 53 months ago

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Propylparaben Nonproprietary Names BP: Propyl hydroxybenzoate JP: Propyl parahydroxybenzoate PhEur: Propylis parahydroxybenzoas USPNF: Propylparaben Synonyms E216; 4-hydroxybenzoic acid propyl ester; Nipasol M; propagin; propyl p-hydroxybenzoate; Propyl parasept; Solbrol P; Uniphen P-23. Chemical Name and CAS Registry Number Propyl 4-hydroxybenzoate [94-13-3] Empirical Formula and Molecular Weight C10H12O3 180.20 Structural Formula Functional Category Antimicrobial preservative. Applications in Pharmaceutical Formulation or Technology Propylparaben is wi... más información