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Resorcinol BP Ph Eur USP ACS Reagent 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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Resorcinol SDS of Manufacturers

Resorcinol Manufacturers

Synonyms: ----
CAS Number: 108-46-3, Molecular Weight: 110.11, Chemical Formula: C6H4-1,3-(OH)2, EINECS EC Number: 203-585-, FEMA: ----,

Resorcinol BP Grade
Ph Eur
C6H6O2 --- 110.1 --- 108-46-3

Action and use: Keratolytic.

DEFINITION
Resorcinol contains not less than 98.5 per cent and not more than the equivalent of 101.0 per cent of benzene-1,3-diol, calculated with reference to the dried substance.

CHARACTERS
A colourless or slightly pinkish-grey, crystalline powder or crystals, turning red on exposure to light and air, very soluble in water and in alcohol.

IDENTIFICATION
A. Melting point:109C to 112C.
B. Dissolve 0.1 g in 1 ml of water add 1 ml of strong sodium hydroxide solution and 0.1 ml of chloroform, heat and allow to cool. An intense, deep-red colour develops which becomes pale yellow on the addition of a slight excess of hydrochloric acid.
C. Thoroughly mix about 10 mg with about 10 mg of potassium hydrogen phthalate, both finely powdered. Heat over a naked flame until an orange-yellow colour is obtained. Cool and add 1 ml of dilute sodium hydroxide solution and 10 ml of water and shake to dissolve. The solution shows an intense green fluorescence.

TESTS
Solution S: Dissolve 2.5 g in carbon dioxide-free water R and dilute to 25 ml with the same solvent.
Appearance of solution: Solution S is clear and not more intensely coloured than reference solution and remains so when heated in a water-bath for 5 min.
Acidity or alkalinity: To 10 ml of solution S add 0.05 ml of bromophenol blue solution. Not more than 0.05 ml of 0.1 M hydrochloric acid or 0.1 M sodium hydroxide is required to change the colour of the indicator.
Related substances: To pass the test
Pyrocatechol: To 2 ml of solution S add 1 ml of ammonium molybdate solution and mix. Any yellow colour in the solution is not more intense than that in a standard prepared at the same time in the same manner using 2 ml of a 0.1 g/l solution of pyrocatechol.
Loss on drying: Not more than 1.0 per cent, determined on 1.00 g of powdered substance by drying in a desiccator for 4 h.
Sulphated ash: Not more than 0.1 per cent, determined on 1.0 g.

ASSAY
Dissolve 0.500 g in water and dilute to 250.0 ml with the same solvent. To 25.0 ml of the solution in a ground-glass-stoppered flask add 1.0 g of potassium bromide, 50.0 ml of 0.0167 M potassium bromate, 15 ml of chloroform and 15.0 ml of hydrochloric acid. Stopper the flask, shake and allow to stand in the dark for 15 min, shaking occasionally. Add 10 ml of a 100 g/l solution of potassium iodide, shake thoroughly, allow to stand for 5 min and titrate with 0.1 M sodium thiosulphate, using 1 ml of starch solution R as indicator.
1 ml of 0.0167 M potassium bromate is equivalent to 1.835 mg of C6H6O2.


Resorcinol USP Grade is also offered.


1,3-Benzenediol or Resorcinol ACS Reagent Grade
1,3-C6H4(OH)2
Formula Wt 110.11
CAS Number 108-46-3
REQUIREMENTS
Assay: 99.0-100.5% C6H4(OH)2
Melting point: 110-112C.

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Manufacturers

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

e-mail: info@anmol.org

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Last updated 15-jan-19

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Resorcinol
BP Ph Eur USP ACS Reagent Grades Manufacturers
Resorcinol