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Ethyl diazoacetate

Ethyl diazoacetate Structure
CAS No.
623-73-4
Chemical Name:
Ethyl diazoacetate
Synonyms
Ethyl 2-diazoacetate;Daae;Diazoacetic ester;Ethyl diazoate;diazoaceticester;diazoacetate soL;ETHYL DIAZOACETATE;Ethyl diazoethanoate;Ethylene Diazo Acetate;Diazoacetic acid ethyl
CBNumber:
CB9241343
Molecular Formula:
C4H6N2O2
Molecular Weight:
114.1
MOL File:
623-73-4.mol
MSDS File:
SDS
Modify Date:
2023/5/15 10:43:57

Ethyl diazoacetate Properties

Melting point -22 °C (lit.)
Boiling point 140-141 °C/720 mmHg (lit.)
Density 1.085 g/mL at 25 °C (lit.)
refractive index n20/D 1.46(lit.)
Flash point 115 °F
storage temp. 2-8°C
solubility Chloroform (Slightly), DMSO (Soluble), Hexane (Slightly), Methanol (Slightly)
form Oil
color Light Yellow to Orange
Merck 13,3021
BRN 107654
NIST Chemistry Reference Ethyl diazoacetate(623-73-4)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS07,GHS08
Signal word  Warning
Hazard statements  H226-H242-H302-H315-H319-H351
Precautionary statements  P210-P301+P312-P303+P361+P353-P308+P313-P370+P378-P403+P235
Hazard Codes  Xn,F
Risk Statements  5-10-22-40-67-65-48/20-38-11-63
Safety Statements  36/37-62-16
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  AG5775000
HazardClass  3.2
PackingGroup  III
HS Code  29270000

Ethyl diazoacetate price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 752150 Ethyl diazoacetate solution 15% in toluene 623-73-4 25ML ₹3591 2022-06-14 Buy
Sigma-Aldrich(India) E22201 Ethyl diazoacetate contains ≥13?wt. % dichloromethane 623-73-4 1KG ₹103378.75 2022-06-14 Buy
Sigma-Aldrich(India) 752150 Ethyl diazoacetate solution 15% in toluene 623-73-4 100ML ₹7594.3 2022-06-14 Buy
Product number Packaging Price Buy
752150 25ML ₹3591 Buy
E22201 1KG ₹103378.75 Buy
752150 100ML ₹7594.3 Buy

Ethyl diazoacetate Chemical Properties,Uses,Production

Chemical Properties

Liquid.

Uses

Reagent for ruthenium-catalyzed asymmetric cyclopropanation of alkenes.1

Hazard

Flammable liquid that explodes when heated.

Safety Profile

Poison by ingestion and intravenous routes. Questionable carcinogen with experimental carcinogenic and tumorigenic data. Can explode. Explodes on contact with tris(dimethy1amino) antimony. When heated to decomposition it emits toxic fumes of NOx. See also ESTERS.

Purification Methods

It is a very volatile yellow oil with a strong pungent odour. EXPLOSIVE [distillation even under reduced pressure is dangerous and may result in an explosion — TAKE ALL THE NECESSARY PRECAUTIONS IF DISTILLATION IS TO BE CARRIED OUT]. It explodes in contact with conc H2SO4-trace acid causes rapid decomposition. It is slightly soluble in H2O, but is miscible with EtOH, *C6H6, pet ether and Et2O. To purify, dissolve it in Et2O [using CH2Cl2 instead of Et2O, protects the ester from acid], wash it with 10% aqueous Na2CO3, dry (MgSO4), filter and repeat as many times as possible until the Et2O layer loses its yellow colour, then remove the solvent below 20o (vacuum). Note that prolonged heating may lead to rapid decomposition and low yields. It can also be purified by steam distillation under reduced pressure but with considerable loss in yield. Place the residual oil in a brown bottle, keep below 10o, and use as soon as possible without distilling. For preparing esters usually the ethereal solution is used directly without purification. [Womack & Nelson Org Synth Coll Vol III 392 1955, UV: Miller & White J Am Chem Soc 79 5974 1957, Fieser 1 367 1967, Beilstein 3 IV 1495.]

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Acetic acid, diazo-, ethyl ester Daae Diazoacetic acid ethyl ester Diazoacetic ester diazoaceticacid,ethylester diazo-aceticaciethylester diazoaceticester Diazoessigsaeure-aethylester Ethoxycarbonyldiazomethane Ethyl 2-diazoacetate Ethyl diazoethanoate ETHYL DIAZOACETATE Ethylene Diazo Acetate ETHYL DIAZOACETATE ETHYL DIAZOETHANOATE 2-Diazoacetic acid ethyl Diazoacetic acid ethyl Ethyl diazoate Acetic acid, 2-diazo-,ethyl ester Ethyl diazoacetate contains >=13 wt. % dichloroMethane Ethyl diazoacetate solution, 95% 2-Diazoacetic acid ethyl ester solution Ethyl diazoacetate solution,90% wt in dichloromethane (e)-2-diazonio-1-ethoxyethenolate Ethyl 2-diazoacetate (diluted with ~10% dichloromethane, wt/wt) Ethyl diazoacetate, 95%, contains 5% CH2Cl2 diazoacetate soL Ethyl Diazoacetate (> Ethyl diazoacetate ISO 9001:2015 REACH Ethyl Diazoacetate (>90%) Ethyldiazoacetate, contains 15 wt. % dichloromethane Ethyl diazoacetate 15% solution in DCM Cilastatin Impurity 10 Tenofovir Disoproxil Fumarate Impurity 186 Ethyl diazoacetate, 80% solution in DCM 623-73-4 N2CHCOOC2H5 NNCHCOOC2H5 Azo/Diazo Compounds Building Blocks Nitrogen Compounds Organic Building Blocks Azo/Diazo Compounds Building Blocks Chemical Synthesis Nitrogen Compounds Organic Building Blocks Carboxylic Azo/Diazo Compounds Nitrogen Compounds Organic Building Blocks