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Mesityl oxide, 99%, mixture of alpha- and beta-isomers, Thermo Scientific Chemicals

Catalog No. AC125600025
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This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS

141-79-7

Molecular Formula

C6H10O

Molecular Weight (g/mol)

98.14

InChI Key

SHOJXDKTYKFBRD-UHFFFAOYSA-N

Synonym

mesityl oxide, 4-methyl-3-penten-2-one, 3-penten-2-one, 4-methyl, isopropylideneacetone, isobutenyl methyl ketone, methyl isobutenyl ketone, mesityloxid, mesityloxyde, 3-isohexen-2-one, isopropylidene acetone

PubChem CID

8858

IUPAC Name

4-methylpent-3-en-2-one

SMILES

CC(=CC(=O)C)C

Specifications

Melting Point

-53°C

Density

0.8540g/mL

Boiling Point

129°C

Flash Point

28°C

Infrared Spectrum

Authentic

Assay Percent Range

90% alpha-Isomer (GC)

Packaging

Glass Bottle

Refractive Index

1.4420 to 1.446

Linear Formula

(CH3)2C=CHCOCH3

Quantity

2.5 L

Beilstein

01,736

Merck Index

15,5978

Specific Gravity

0.854

Solubility Information

Solubility in water: 28g/L (20°C). Other solubilities: miscible with most common organic solvents

Viscosity

0.64 mPa.s (20°C)

Formula Weight

98.14

Percent Purity

99%

Physical Form

Liquid

Chemical Name or Material

Mesityl oxide

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Hazard Category

GHS Signal Word: Warning

EINECSNumber

205-502-5

Recommended Storage

Product may darken during storage
SDS

RUO – Research Use Only

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