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249629

Sigma-Aldrich

Ethyl diacetoacetate

97%

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About This Item

Linear Formula:
(CH3CO)2CHCO2C2H5
CAS Number:
603-69-0
Molecular Weight:
172.18
EC Number:
210-053-3
MDL number:
MFCD00009864
UNSPSC Code:
12352100
PubChem Substance ID:
24855007
NACRES:
NA.22

assay

97%

refractive index

n20/D 1.47 (lit.)

bp

104-105 °C/17 mmHg (lit.)

density

1.104 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)C(C(C)=O)C(C)=O

InChI

1S/C8H12O4/c1-4-12-8(11)7(5(2)9)6(3)10/h7H,4H2,1-3H3

InChI key

YMCDYRGMTRCAPZ-UHFFFAOYSA-N

General description

Ethyl diacetoacetate reacts with o-phenylenediamine to yield 2-methylbenzimidazole perchlorate[1].

application

Ethyl diacetoacetate has been used in the preparation of 3-acetyl-6-chloro-7-hydroxy-4-methylcoumarin[2].

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

185.0 °F - closed cup

flash_point_c

85 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCBR0094V
BCBF8152V
BCBF8153V
1452522V
1452522

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692. Diazepines. Part III. Some benzodiazepines.
Lloyd D, et al.
Journal of the Chemical Society, 3785-3792 (1965)
K F Chilvers et al.
Journal of applied microbiology, 91(6), 1118-1130 (2002-02-20)
A widely used coumarin derivative is 7-hydroxy-4-methylcoumarin-beta-D-galactoside (4-methylumbelliferone-beta-D-galactoside; 4-MU-GAL). This galactoside is utilized as a substrate for the detection of the beta-galactosidase activity of coliform bacteria in water analysis. The intense fluorescence of coumarin-based molecules has enabled them to be

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