مترونیدازول بنزوات جهت استعلام قیمت تماس بگیرید
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متفورمین جهت استعلام قیمت تماس بگیرید

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جهت استعلام قیمت تماس بگیرید

نام شیمیائی: استیل سالیسیلیک اسید، 2-استوکسی بنزوییک اسید

TEST STANDARD Unit Ref
Description White crystals, commonly tabular or needle-like, or white, crystalline powder. Is odorless or has a faint odor. Is stable in dry air; in moist air it gradually hydrolyzes to salicylic and acetic acids. —-
USP43-NF38
Solubility Freely soluble in alcohol; soluble in 

chloroform and in ether; sparingly soluble in absolute ether;

Slightly soluble in water.
—- USP43-NF38
IR spectra Spectrum obtained with standard   Aspirin —-
USP43-NF38
Loss on drying NMT 0.5 % USP43-NF38
Readily  Carbonizable Substances The solution has no more color than  Matching Fluid Q —- USP43-NF38
Residue on Ignition NMT 0.05 % USP43-NF38
Substances Insoluble in Sodium carbonate TS Solution of 500 mg in 10 ml warm sodium carbonate TS is clear —- USP43-NF38
Chloride A 25-ml portion of the filtrate shows no more chloride than correspond to 0.1 ml of 0.02 N Hydrochloric Acid —- USP43-NF38
Sulfate Not more than 1.25 ml of 0.02 M lead perchlorate is consumed —- USP43-NF38
Limit Of Free Salicylic Acid The color in the second tube is not more intense than in the tube containing the salicylic acid —- USP43-NF38
Assay (on the dried basis) 99.5 – 100.5 % USP43-NF38
Residual solvents(Acetic Acid) Max 5000 ppm USP43-NF38

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