Chemical Name: 2-phenylphenol
Chemical Family: Phenol
Common/Trade Name: Dowcide1, Preventol O Extra,Nipacide OPP
Synonyms: o-phenylphenol; o-hydroxydiphenyl; 2-hydroxybifenyl;
CAS Number: 90-43-7
CAS Number: 90-43-7
EINECS Number:201-993-5
Molecular Formula: C12H10O
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Molecular Weight
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170.2
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Color
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Nearly white or light-buff
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Physical State
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Solid (flakes or crystals)
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Specific Gravity(g/cm3 at 25℃)
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1.2
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Dissociation Constant(at 25℃)
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9.9
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pH(at 22.7℃)
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6.1 in aqueous solution
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Recommended pH Range
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7–13.5
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Stability
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Stable and persistent at normal conditions
Incompatible with strong oxidizing agents
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Melting Point(℃)
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56–58
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Boiling Point(℃)
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286
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Flash Point(℃)
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138
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Water Solubility(g/l)
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0.6–0.8 at 25℃
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1.4–1.6 at 60℃
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Organic Solubility (g/l at 25℃)
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Methanol : 8800
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Ethanol: 5900
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Ethylene glycol:1500
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Isopropanol: 3300
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Propylene glycol:2800
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10% NaOH: 550
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