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:
Molecular Weight:
98.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
205-502-5
Beilstein/REAXYS Number:
1361550
MDL number:
Assay:
90%
Form:
liquid
grade
technical grade
Quality Level
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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signalword
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
wgk
WGK 1
flash_point_f
87.8 °F - closed cup
flash_point_c
31 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Marcin Ptaszek et al.
Organic process research & development, 9(5), 651-659 (2005-01-01)
2,3,4,5-Tetrahydro-1,3,3-trimethyldipyrrin (1) is a crucial building block in the rational synthesis of chlorins and oxochlorins. The prior 5-step synthesis of 1 from pyrrole-2-carboxaldehyde (2) employed relatively simple and well-known reactions yet suffered from several drawbacks, including limited scale (>/= 0.5
Condensation of mesityl oxide with acetoacetic ester.
Surmatis JD, et al.
The Journal of Organic Chemistry, 35(4), 1053-1056 (1970)
C Y Liu et al.
Journal of chromatography. A, 897(1-2), 383-392 (2000-12-29)
An imidazole-coated capillary column for electrophoresis has been prepared by means of organosilanization. With mesityl oxide as neutral marker, the results indicated that the electroosmotic flow of the bonded phase displays a dramatic difference in pH dependence in comparison with
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 281832-100G | 04061826225691 |