Resorcinol USP BP Ph Eur Reagent Grade Suppliers Exporters, CAS 108-46-3 |
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SDS MSDS of Resorcinol Manufacturers
Resorcinol
USP BP Ph Eur Reagent Grade CAS Number 108-46-3, Commercial & Pure
Resorcinol USP Grade Specifications
C6H6O2 110.11
1,3-Benzenediol
Resorcinol CAS 108-46-3.
Resorcinol contains not less than 99.0 percent and not more than 100.5 percent of C6H6O2, calculated on the dried basis.
Identification:
A: Infrared Absorption 197K NOTE—If necessary to recrystallize, dissolve in dehydrated alcohol.]
B: Dissolve 100 mg in 2 mL of 1 N sodium hydroxide, add 1 drop of chloroform, and heat the mixture: an intense crimson color is produced. Then add a slight excess of hydrochloric acid: the color changes to pale yellow.
C: To 10 mL of a solution (1 in 100) add 1 drop of ferric chloride: a blue-violet color is produced, and it fades slowly.
TESTS
Meets all the tests for Specifications of Resorcinol USP mongograph.
Resorcinol BP Ph Eur Grade Specifications
Ph Eur
C6H6O2 --- 110.1 --- CAS 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
Meets all the tests for Specifications of Resorcinol BP Ph Eur mongograph.
1,3-Benzenediol or Resorcinol Analytical Reagent Grade Specifications
1,3-C6H4(OH)2
Formula Weight 110.11
CAS Number 108-46-3
REQUIREMENTS
Assay: 99.0-100.5% C6H4(OH)2
Melting point: 110-112C.
Resorcinol Manufacturers:
Muby Group
Chemicals Suppliers, API and Excipient Suppliers, Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
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