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Merck
CN

752150

Ethyl diazoacetate solution

15% in toluene

Synonym(s):

2-Diazoacetic acid ethyl ester solution

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About This Item

Empirical Formula (Hill Notation):
C4H6N2O2
CAS Number:
623-73-4
Molecular Weight:
114.10
NACRES:
NA.22
PubChem Substance ID:
329766264
UNSPSC Code:
12352100
MDL number:
MFCD00001989

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Product Name

Ethyl diazoacetate solution, 15% in toluene

InChI

1S/C4H6N2O2/c1-2-8-4(7)3-6-5/h3H,2H2,1H3

SMILES string

CCOC(=O)C=[N+]=[N-]

InChI key

YVPJCJLMRRTDMQ-UHFFFAOYSA-N

form

liquid

concentration

15% in toluene

refractive index

n20/D 1.505

density

0.895 g/mL at 25 °C

functional group

ester

storage temp.

2-8°C

Quality Level

100

Related Categories

Application

New Diazoacetate Formulations

General description

Ethyl diazoacetate solution is a diazo compound that is used as a reagent for the cyclopropanation of unsaturated compounds. It is used to prepare cyclopropane and cyclopropane carboxylic acid derivatives by catalytic decomposition of ethyl diazoacetate in the presence of alkenes. It is also a useful reagent for the homologation of cyclic and acyclic ketones without the formation of epoxides as byproducts.

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Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 2 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

39.9 °F - closed cup

flash_point_c

4.4 °C - closed cup

Regulatory Information

易制毒化学品（3类）
危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCX9695
MKCV5444
MKCR6268
MKCP0118
MKCK5326

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Jiquan Liu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(35), 12414-12420 (2015-07-17)
Heterogeneous dirhodium(II) catalysts based on environmentally benign and biocompatible cellulose nanocrystals (CNC-Rh2) as support material were obtained by ligand exchange between carboxyl groups on the CNC surface and Rh2(OOCCF3)4, as was confirmed by solid-state (19)F and (13)C NMR spectroscopy. On average

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