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249629

Ethyl diacetoacetate

Name: Ethyl diacetoacetate
Brand: ALDRICH

97%

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About This Item

Linear Formula:

(CH₃CO)₂CHCO₂C₂H₅

CAS Number:

603-69-0

Molecular Weight:

172.18

NACRES:

NA.22

PubChem Substance ID:

24855007

UNSPSC Code:

12352100

EC Number:

210-053-3

MDL number:

MFCD00009864

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Properties

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

Description

General description

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

Application

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

pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

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

Regulatory Information

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Synthesis and evaluation of novel fluorogenic substrates for the detection of bacterial beta-galactosidase.

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

692. Diazepines. Part III. Some benzodiazepines.

Lloyd D, et al.

Journal of the Chemical Society, 3785-3792 (1965)