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Hydroquinone or 1,4-Benzenediol or Quinol BP Ph Eur USP 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, Dubai and UAE. 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, 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. We can supply the material in grams for your laboratory trial and in tons for your plant scale jobs.

Our manufacturing facility is FDA approved and cGMP, GLP (FDA) Approved, ISO 9001, ISO 14001, ISO 17025, ISO 45001, ISO 22000, HACCP, FSSAI, FSSC 22000, Halal and Kosher certified. We are registered with "REACH" for export to European countries. Solid materials can be customized for particle size, shape and bulk density. We observe WHO Good Manufacturing Practice and Good Laboratory Practice. We are a STAR Export House and “Authorised Economic Operator” as per Indian customs.

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Hydroquinone or 1,4-Benzenediol or Quinol SDS of Manufacturers

Hydroquinone Manufacturers

Synonyms: Hydroquinone or 1,4-Benzenediol or 1,4-Dihydroxybenzene or HQ or Quinol
CAS Number: 123-31-9, Molecular Weight: 110.11, Chemical Formula: C6H4(OH)2 or C6H6O2, EINECS EC Number: 204-617-8, FEMA: ----,

Specifications of Hydroquinone USP Grade:
C6H6O2 --- 110.11
1,4-Benzenediol.
Hydroquinone CAS 123-31-9.

Hydroquinone contains not less than 99.0 percent and not more than 100.5 percent of C6H6O2 calculated on the anhydrous basis.
Packaging and storage: Preserve in tight, light-resistant containers.

Identification:
A: Infrared Absorption.
B: To pass the chromatography test.
C: ;A 1 in 40,000 solution in methanol exhibits an absorbance maximum at 293 ± 2 nm.
Melting range: between 172C and 174C.
Water Determination: not more than 0.5%.
Residue on ignition: not more than 0.5%.
Assay: Dissolve about 250 mg of Hydroquinone, accurately weighed, in a mixture of 100 mL of water and 10 mL of 0.1 N sulfuric acid, add 3 drops of diphenylamine, and titrate with 0.1 N ceric sulfate until a red-violet endpoint is reached. Perform a blank determination and make any necessary correction. Each mL of 0.1 N ceric sulfate is equivalent to 5.506 mg of C6H6O2.


Specifications of Hydroquinone BP Ph Eur Grade:
C6H6O2 --- 110.11 --- CAS 123-31-9
Action and use: Depigmenting agent.

DEFINITION
Hydroquinone is 1,4-benzenediol. It contains not less than 99.0% and not more than 100.5% of C6H6O2, calculated with reference to the anhydrous substance.

CHARACTERISTICS
Fine white or almost white needles, which darken on exposure to light and air.
Freely soluble in water, in ethanol (96%) and in ether.

IDENTIFICATION
A. The light absorption in the range 230 to 350 nm, of a 0.0025% w/v solution in methanol exhibits a maximum at 293 nm.
B. To pass the test.

TESTS
Melting point: 172C to 174C.
Water: Not more than 0.5%,
Sulfated ash: Not more than 0.5% w/w.

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Manufacturers

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

e-mail: info@anmol.org

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Last updated 25-nov-21

Calcium Chloride in Jumbo Bags Drum Packing Paletized and Shrink Wrapped Packing for Exports to USA UAE Africa Tanzania Turkey Kenya Dubai

Exporters to USA, Canada, UAE, Europe, South Africa, Tanzania, Kenya, Egypt, Turkey, Nigeria, Uganda, Brazil, Chile, Argentina, Dubai, Cameroon, Mexico, Brazil, Chile, Argentina, Korea, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, etc.

Representatives in New York, Houston - Texas, Chicago - Illinois, Los Angeles.

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Hydroquinone
1,4-Benzenediol or 1,4-Dihydroxybenzene or HQ or Quinol BP Ph Eur USPGrades Manufacturers
Hydroquinone