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Hydroquinone

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sample application
Product description
  Product Identification:
  CAS No.: 123-31-9
  Molecular Formula: C6H6O2
 
  Specification:
 

ITEMS OF ANALYSIS

SPECIFICATION

RESULTS

TESTING METHOD

APPEARANCE:

WHITE NEEDLECRYSTAL

PASSED

IN HOUSE#PSB01

MELTING POINT (°C):

171 - 175

171.5

GB/T1.1-2009

ASSAY (%):

99.0 - 101.0

99.83

IN HOUSE#PSB10

WATER(%):

0.5MAX

0.1

GB/T1.1-2009

SOLUBILITY (20°C) (G/L) (%):

70

PASSED

GB/T1.1-2009

HEAVY METAL (AS PB) (PPM):

20 MAX

10

GB/T1.1-2009

INCINERATE RESIDUE

CONTENT (%):

0.05 MAX

0.002

GB/T1.1-2009

FE (PPM):

20 MAX

6

GB/T1.1-2009

CONCLUSION:

CONFORM TO TECH GRADE

 

  Application:
  1. Hydroquinone is mainly used as developing agent in photograph
  2. Antioxidant for rubber and gasoline, dye intermediate, etc.
  3. Polymerization inhibitor for styrene, butadiene, isoprene, vinyl acetate, acrylonitrile and other resin or rubber monomers
  4. Polymerization for styrene, acrylic and other vinyl monomers, terminating agent or stabilizer for high-temperature emulsion polymerization reaction
  5. Developer in photoengraving
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