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281832

Mesityl oxide

technical grade, 90%

Synonym(s):

4-Methyl-3-penten-2-one

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About This Item

Linear Formula:
(CH3)2C=CHCOCH3
CAS Number:
141-79-7
Molecular Weight:
98.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24856998
EC Number:
205-502-5
Beilstein/REAXYS Number:
1361550
MDL number:
MFCD00008900
Assay:
90%
Form:
liquid
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grade

technical grade

Quality Segment

assay

90%

form

liquid

refractive index

n20/D 1.442 (lit.)

bp

130 °C (lit.)

mp

-41.5 °C (lit.)

density

0.858 g/mL at 25 °C (lit.)

functional group

ketone

SMILES string

C\C(C)=C\C(C)=O

InChI

1S/C6H10O/c1-5(2)4-6(3)7/h4H,1-3H3

InChI key

SHOJXDKTYKFBRD-UHFFFAOYSA-N

General description

Zinc chloride-catalyzed condensation of mesityl oxide with ethyl acetoacetate has been reported.

Application

Mesityl oxide has been used:
  • in the synthesis of 2,3,4,5-tetrahydro-1,3,3-trimethyldipyrrin, a crucial building block in the rational synthesis of chlorins and oxochlorins
  • as neutral marker in the preparation of imidazole-coated capillary column for electrophoresis

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Pictograms

FlameSkull and crossbones
GHS02,GHS06

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

3 - Flammable liquids

Flash Point (°F)

87.8 °F - closed cup

Flash Point (°C)

31 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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