Mesityl oxide mixture of alpha- and beta-isomers 99%

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Synonyms: 4-Methyl-3-penten-2-one

AC12560-0100 AC12560-0025 AC12560-0010
103525-254EA 367 USD
103525-254 200031-804 200019-624
Mesityl oxide mixture of alpha- and beta-isomers 99%
Mesityl oxide
Formula: C₆H₁₀O
MW: 98.14 g/mol
Boiling Pt: 129 °C (760 mmHg)
Melting Pt: –53 °C
Density: 0.854 g/cm³
Flash Pt: 28 °C
Storage Temperature: Ambient
MDL Number: MFCD00008900
CAS Number: 141-79-7
EINECS: 205-502-5
UN: 1229
ADR: 3,III

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Specification Test Results

Appearance Clear liquid (May darken on storage)
Infrared spectrum Conforms
Refractive index 1.4420 to 1.4460 (20 °C, 589 nm)
Water ≤0.2 %
Density (20/4°C) 0.852 to 0.856 kg/l
GC ≥98.5 %
GC 90 % alpha-Isomer
Copper (Cu) ≤0.001 %
Iron (Fe) ≤0.001 %
Lead (Pb) ≤0.002 %
Magnesium (Mg) ≤0.01 %
Nickel (Ni) ≤0.001 %
Insoluble matter ≤0.05 % (in water)
Nitrogen compounds (as N) ≤0.002 %

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