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p-Benzoquinone 99%

Environment Warning

Danger

Synonyms: Quinone , 1,4-Benzoquinone

AC10563-0051 AC10563-0010 AC10563-1000 AC10563-0250 AC10563-5000

103524-668EA 603 USD

103524-668 103524-672 200026-346 103524-670 200013-900

p-Benzoquinone 99%

p-Benzoquinone

Formula: C₆H₄O₂
MW: 108.1 g/mol
Melting Pt: 112…116 °C
Density: 1.31 g/cm³
Storage Temperature: Ambient

MDL Number: MFCD00001591
CAS Number: 106-51-4
EINECS: 203-405-2
UN: 2587
ADR: 6.1,II
Merck Index: 12,08259

https://us.vwr.com/stibo/web/std.lang.all/69/87/2296987.jpg

Specification Test Results

Appearance	Yellow to green Powder
Infrared spectrum	Conforms
Melting point	112 to 116 °C
Titration Iodometric	≥98.5 %
Water	≤0.5 %
Specific optical rotation	-218° to -224° (20 °C, 589 nm) (c=2, 1M HCl) (On dried substance)
Titration	98.5 to 101.0 % (On dried substance)
Sulfates	≤300 ppm
Chlorides	≤200 ppm
Ammonium (NH4)	≤200 ppm
Iron (Fe)	≤10 ppm
Ninhydrin-positive substances	Passes test

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