W336807

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W336807

Aldrich

 

4-Methyl-3-penten-2-one

≥90%

Synonym:4-Methyl-3-penten-2-one, Mesityl oxide
CAS Number:141-79-7
Linear Formula:(CH3)2C=CHCOCH3
Molecular Weight:98.14
FEMA Number:3368
Beilstein Registry Number:1361550
EC Number:205-502-5
Council of Europe no.:11853
MDL number:MFCD00008900
PubChem Substance ID:24901670
Flavis number:7.101

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Description


Properties

gradeNI
assay≥90%
total impurities≤10% 4-methyl-4-penten-2-one
refractive indexn20/D 1.442(lit.)
bp129 °C(lit.)
mp−53 °C(lit.)
density0.858 g/mL at 25 °C(lit.)
Organolepticvegetable; vanilla

Safety

Hazard CodesXn
Risk Statements10-20/21/22
Safety Statements25
RIDADRUN 1229 3/PG 3
WGK Germany1
RTECSSB4200000
Flash Point(F)88 °F
Flash Point(C)31 °C

References

MerckMerck 13,5935
BeilsteinBeil. 1,IV,3471
referenceAldrich MSDS 1, 1170:A / Arctander, 1856 / Corp MSDS 1 (2), 2223:C / FT-IR 1 (1), 414:D / FT-NMR 1 (1), 644:C / Fenaroli, 543 / NMR-Reference 2 (1), 378:B / RegBook 56 (1), 453:D / RegBook 1 (1), 453:D / Sax 6, 1758 / Structure Index 1, 65:A:1 / Vapor Phase 3, 500:B