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SZSE：002741
Chemical Reagents
Hydroquinone COA Report
  • CAS No.：123-31-9
  • Molecular weight：110.11
  • Molecular formula：C6H6O2
  • UN Code：3077
  • EC No.：204-617-8
  • HS-No：29072200
Information
Specification category：
Product No. Product name specifications
1.17561.016 Hydroquinone AR250g
1.17561.036 Hydroquinone Spec25kg
1.17561.046 Hydroquinone AR30kg
1.17561.086 Hydroquinone Spec25kg
1.17561.096 Hydroquinone AR250g
Characteristic： Appearance and properties:white crystal.
Relative density(water=1)?:1.33
Relative vapor density(air=1):3.81
Melting point(℃):170.5
Boiling point(℃):285
Concentration:pure product
Saturated vapor pressure:0.13(132.4℃)
Solubility:Soluble in water,alcohol,ether.
Combustion heat(kJ/mol):2849.8
Critical temperature(℃):549.9
Critical pressure(MPa):7.45
Technical indicators：
Item AR CP
Assay ≥98.0% ≥98.0%
Melting point, ℃ 170.0～173.0 170.0～173.0
Solubility in water Pass Pass
Chloride(Cl) ≤0.001% --
Sulfate(SO4) ≤0.01% ≤0.02%
Heavy metals(as Pb) ≤0.001% ≤0.001%
Catechol Pass Pass
Residue on ignition(as SO4) ≤0.05% ≤0.1%
Hazard characteristics：

IATA-DGR UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE,SOLID,N.S.O.(HYDROQUINONE),9,Ⅲ

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