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68259

Sigma-Aldrich

Ethyl 3-methyl-4-oxocrotonate

≥97.0% (GC)

Synonym(s):

Ethyl trans-γ-oxosenecioate, Ethyl trans-3-methyl-4-oxo-2-butenoate

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About This Item

Empirical Formula (Hill Notation):
C7H10O3
CAS Number:
Molecular Weight:
142.15
Beilstein:
1704098
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥97.0% (GC)

form

liquid

refractive index

n20/D 1.461

bp

195-202 °C (lit.)

density

1.044 g/mL at 20 °C (lit.)

storage temp.

2-8°C

SMILES string

[H]C(=O)\C(C)=C\C(=O)OCC

InChI

1S/C7H10O3/c1-3-10-7(9)4-6(2)5-8/h4-5H,3H2,1-2H3/b6-4+

InChI key

YLFXEUMFBVGYEL-GQCTYLIASA-N

Other Notes

C5-aldehydic ester useful for the synthesis of isoprenoids by Wittig reaction

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

228.2 °F - closed cup

Flash Point(C)

109 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

68259-50ML:
68259-250ML:
68259-BULK:
68259-INTR:
68259-VAR:


Certificates of Analysis (COA)

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E. Aig et al.
Synthetic Communications, 17, 419-419 (1987)

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