249629
Ethyl diacetoacetate
97%
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About This Item
Linear Formula:
(CH3CO)2CHCO2C2H5
CAS Number:
Molecular Weight:
172.18
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
210-053-3
MDL number:
InChI key
YMCDYRGMTRCAPZ-UHFFFAOYSA-N
InChI
1S/C8H12O4/c1-4-12-8(11)7(5(2)9)6(3)10/h7H,4H2,1-3H3
SMILES string
CCOC(=O)C(C(C)=O)C(C)=O
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.)
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.
signalword
Warning
hcodes
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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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)
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