Ethyl-2-methylacetoacetat

Ethyl 2-methylacetoacetate

HCID 701CAS 609-14-3

Grundinformationen

Standard-SMILES
CCOC(=O)C(C)C(C)=O
InChIKey
FNENWZWNOPCZGK-UHFFFAOYSA-N
Summenformel
C7H12O3
Durchschnittliche Molmasse
144,17 g/mol
Monoisotopische Masse
144,07864424

Überblick

structure in first source

Namen und Bezeichner

Bevorzugter Name
Ethyl 2-methylacetoacetate
IUPAC
ethyl 2-methyl-3-oxobutanoate
Lokaler Name
Ethyl-2-methylacetoacetat
Englischer Name
Ethyl 2-methylacetoacetate
Summenformel
C7H12O3
Molmasse
144.17

Namen und Synonyme

Ethyl 2-methylacetoacetateEthyl 2-methyl-3-oxobutanoate609-14-3Ethyl 2-acetylpropionateEthyl methylacetoacetateEthyl 2-methyl-3-oxobutyrateButanoic acid, 2-methyl-3-oxo-, ethyl esterEthyl alpha-methylacetylacetateNE9WOZ20JEEthyl alpha-acetylpropionateAcetoacetic acid, 2-methyl-, ethyl esteralpha-Methylacetoacetic ester
Weitere Namen anzeigen
2-MethylacetoacetateEthyl 2-methylacetacetateNSC 1102Ethyl 2-acetylpropanoateETHYL 2-METHYL-AETACETATE
NSC-1102RefChem:921256210-179-9Ethyl-2-methyl acetoacetateEthyl2-methylacetoacetate2-Methylacetoacetic acid ethyl esterMFCD000091642-methyl-3-oxobutanoic acid ethyl ester

Datenbank-Bezeichner

CAS
609-14-3
PubChem CID
701
DTXSID
DTXSID2033493
ChEMBL
CHEMBL31596
UNII
NE9WOZ20JE
EC Number
210-179-9
Nikkaji
J101.360B

Eigenschaften

Berechnete Struktureigenschaften

XLogP
0,9
Polarare Oberfläche (TPSA)
43,4 Ų
H-Brücken-Donoren
0
H-Brücken-Akzeptoren
3
Frei drehbare Bindungen
4
Schwere Atome
10

Physikochemische Eigenschaften

Schmelzpunkt
-45 °C · -45 °C
Siedepunkt
187 °C · 187 °C (lit.)
Dichte
1.019 g/mL · 1.019 g/mL at 25 °C (lit.)
Brechungsindex
20 · n20/D 1.418(lit.)
Flammpunkt
145 °F · 145 °F
storage temp.
Inert atmosphere,Room Temperature

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 4 Einträge

Warning

H227 (25%): Combustible liquid [Warning Flammable liquids]

P210, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 4 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Gefahrenhinweise

Regulatory InformationChemical: Butanoic acid, 2-methyl-3-oxo-, ethyl ester
Hazard Classes and CategoriesFlam. Liq. 4 (25%)

Sicherheitsdaten

wgk
3
tsca
TSCA listed
ridadr
1993
hs_code
29182300
safety_code
24/25
Speicherklasse
10 - Combustible liquids

Chemie und Industrie

Verwendung und Herstellung

General Manufacturing InformationButanoic acid, 2-methyl-3-oxo-, ethyl ester: ACTIVE
Anwendungen · 1 Eintrag

VerwendenEthyl 2-methylacetoacetate is used in Japp-Klingemann reaction to prepare hydrazones from beta-keto acid and aryl diazonium salts. It is used as a precursor involved in the synthesis of ethylpyruvate phenylhydrazone via reaction with benzenediazonium chloride.

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