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Hydrous Benzoyl Peroxide USP BP Ph Eur Grade Manufacturers

Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA and toll manufacturers in China. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, ACS, AR or Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards.

Our manufacturing facility is FDA approved and cGMP, ISO-9001, ISO-14001, ISO OHSAS 18000, ISO 22000-2005 HACCP, FSSAI, FSSC-22000, certified. Apart from good manufacturing practice, we also follow good laboratory practice. We are offering products manufactured as per Kosher and Halal approved certified method. We are pre-registered with "Reach" for export to European countries. We can give all solid chemical materials as per specified size or shape.

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Hydrous Benzoyl Peroxide SDS of Manufacturers

Hydrous Benzoyl Peroxide Manufacturers

Synonyms: Peroxide, dibenzoyl
CAS Number: 94-36-0, Molecular Weight: 242.23, Chemical Formula: (C6H5CO)2O2, EINECS EC Number: 202-327-6, FEMA: ----,

Hydrous Benzoyl Peroxide BP Ph Eur Grade
C14H10O4 --- 242.2 --- 94-36-0
Action and use:  Used topically in the treatment of acne.

dibenzoyl peroxide : 70.0 per cent to 77.0 per cent;
water: minimum 20.0 per cent.

Appearance: White or almost white, amorphous or granular powder.
Solubility: Practically insoluble in water, soluble in acetone, soluble in methylene chloride with  the separation of water, slightly soluble in ethanol (96 per cent).
It loses water rapidly on exposure to air with a risk of explosion.
Mix the entire sample thoroughly before carrying out the following tests.

First identification B.
Second identification A, C, D.
A. Ultraviolet and visible absorption spectrophotometry.
B. Infrared absorption spectrophotometry. Comparison Ph. Eur. reference spectrum of hydrous benzoyl peroxide.
C. Dissolve about 25 mg in 2 mL of acetone. Add 1 mL of a 10 g/L solution of diethylphenylenediamine sulfate and mix. A red colour develops which quickly  darkens and becomes dark violet within 5 min.
D. To 1 g add 5 mL of ethanol (96 per cent), 5 mL of dilute sodium hydroxide solution and 10 mL of water. Boil the mixture under reflux for 20 min. Cool.  The solution gives reaction of benzoates.

Acidity: Dissolve a quantity of the substance to be examined containing the equivalent of 1.0  g of dibenzoyl peroxide in 25 mL of acetone, add 75 mL of water and filter. Wash  the residue with two quantities, each of 10 mL, of water. Combine the filtrate and  the washings and add 0.25 mL of phenolphthalein solution. Not more than 1.25  mL of 0.1 M sodium hydroxide is required to change the colour of the indicator. Carry  out a blank test.
Related substances: To pass the test.
Chlorides: Maximum 0.4 per cent.

In a container that has been treated to reduce static discharge and that has a device  for release of excess pressure, at a temperature of 2C to 8C, protected from light.

Hydrous Benzoyl Peroxide USP Grade
C14H10O4 (anhydrous) --- 242.23
Peroxide, dibenzoyl.
Benzoyl peroxide --- [94-36-0].

Hydrous Benzoyl Peroxide contains not less than 65.0 percent and not more than 82.0 percent of C14H10O4. It contains about 26 percent of water for the purpose of reducing flammability and shock sensitivity.
Caution:Hydrous Benzoyl Peroxide may explode at temperatures higher than 60C or cause fires in the presence of reducing substances. Store it in the original container, treated to reduce static charges.

Packaging and storage: Store in the original container, at room temperature. [NOTE—Do not transfer Hydrous Benzoyl Peroxide to metal or glass containers fitted with friction tops. Do not return unused material to its original container, but destroy it by treatment with sodium hydroxide solution (1 in 10) until addition of a crystal of potassium iodide results in no release of free iodine.]
A: Chromatograph Comparision to pass the test.
B: To pass the test.
Assay: Place about 300 mg of previously mixed Hydrous Benzoyl Peroxide in an accurately weighed conical flask fitted with a ground-glass stopper, and weigh again to obtain the weight of the test specimen. Add 30 mL of glacial acetic acid, previously sparged with carbon dioxide for not less than 2 minutes just before use, and swirl the flask gently to effect solution. Add 5 mL of potassium iodide solution (1 in 2), and mix. Allow the solution to stand for 1 minute. Titrate the liberated iodine with 0.1 N sodium thiosulfate VS. As the endpoint is approached add 1 drop of starch iodide paste, or equivalent, and continue the titration to the discharge of the blue color. Perform a blank determination, and make any necessary correction. Each mL of 0.1 N sodium thiosulfate is equivalent to 12.11 mg of C14H10O4.



Taloja Mumbai and Ankleshwar Gujarat, INDIA
Representatives in Houston, Chicago and New York, USA
TEL: (OFF) 91-22-23726950, 23774610, 23723564


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Last updated 14-jan-19

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Hydrous Benzoyl Peroxide
BP Ph Eur USP Grades Manufacturers
Hydrous Benzoyl Peroxide