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QUINHYDRONE AR

Hydroquinone: benzoquinone 1:1 complex

Packings

100 g (00100)

500 g (00500)

1GBA000450 1GBAB00091
Article No. 05535 Grade AR
Purity 97% CAS No. 106-34-3
Molecular Formula C6H4O2.C6H6O2 Molecular Weight 218.21
H.S. Code 2942.0090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Green to dark green
Melting point/ Freezing point [°C] 173 - 174 °C Auto-ignition temperature [°C] 516°C
Flash point [°C] 165°C Solubility in water [% weight] Slightly soluble in cold water

Specifications

Appearance Green to Dark Green Powder Purity (by HPLC) Min. 97%
Melting point 167 - 172°C Suitability (for use in pH determinations) Passes test
Sulphated ash Max. 0.1% Copper (Cu) Max. 0.0025%
Iron (Fe) Max. 0.02% Lead (Pb) Max. 0.0025%

Safety Information and Hazard Symbols

Skull and Crossbones
Symbol: GHS06
Signal Word: Danger
UN No.: 2811
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301-H315-H319-H335
Precaution Statement: P261-P301 + P310-P305 + P351 + P338
Revision Date: 14-Oct-2015

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