Drug Name Benzoyl Peroxide

Chinese Synonyms Benzoyl Peroxide; Benzoyl Peroxide; Benzoyl Peroxide Paste; BPO; Benzoyl Peroxide Paste

Pinyin Name Guoyangbenjiaxian

English Name BENZOYL PEROXIDE

CAS NO. 94-36- 0

Molecular formula C14H10O4

Properties This product is white crystalline powder; it has special odor.

Easily soluble in acetone or chloroform, slightly soluble in methanol or ethanol, very slightly soluble in water.

Check Chloride

Take 100mg of benzoyl peroxide and put it in a 50ml colorimeter tube, add 15ml of acetone to dissolve it, and then add acetone to dilute it to 25ml, check it according to the law (Appendix VIII A), and compare it with the control solution made of 7.0ml of the standard sodium chloride solution, and it should not be more concentrated (0.07%). Anhydrous benzoyl peroxide Take 0.25g of this product, precision weighing, 250ml iodine bottle, add acetone 30ml, shake to dissolve, add potassium iodide test solution 5ml, tightly stoppered, shaking, placed in a dark place for 15 minutes, titrated with sodium thiosulfate titrant (0.1mol/L) until colorless and will titrate the results of the blank test correction. Add the measured result to the product of the content of anhydrous benzoyl peroxide and 0.0744 to get the content of water in the test article.

Category Disinfectant and antiseptic.

Note This product is a strong oxidizer, easy to burn, explosion, avoid heat, friction or impact.

Storage Shielded from light, sealed storage, storage must be preserved a certain amount of moisture.

Preparation Benzoyl peroxide cream