CasNo.141-97-9,ETHYL 3-OXOBUTANOIC ACID,(141-97-9) Suppliers

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Purity: 99%
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Ethyl acetoacetate cas no 141-97-9 cas no 141-97-9 ETHYL 3-OXOBUTANOIC ACID

Quick Details

Appearance:Colourless, clear liquid
Application:Ethyl acetoacetate (EAA) is used as starting material for the syntheses of alpha-substituted acetoacetic esters and cyclic compounds, e.g. pyrazole, pyrimidine and coumarin derivatives as well as inte
PackAge:in drums
ProductionCapacity:10|Metric Ton|Day
Storage:Keep in dry and cool place
Transportation:by sea

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Details:

Ethyl acetoacetate Chemical Properties

mp	−43 °C(lit.)
bp	181 °C(lit.)
density	1.029 g/mL at 20 °C(lit.)
vapor density	4.48 (vs air)
vapor pressure	1 mm Hg ( 28.5 °C)
refractive index	n20/D 1.419
FEMA	2415
Fp	185 °F
solubility	116 g/L (20°C)
Water Solubility	116 g/L (20 ºC)
Merck	14,3758
BRN	385838
Stability:	Stable. Incompatible with acids, bases, oxidizing agents, reducing agents, alkali metals. Combustible.
CAS DataBase Reference	141-97-9(CAS DataBase Reference)
NIST Chemistry Reference	Butanoic acid, 3-oxo-, ethyl ester(141-97-9)
EPA Substance Registry System	Butanoic acid, 3-oxo-, ethyl ester(141-97-9)

Safety Information

Hazard Codes	Xi
Risk Statements	36
Safety Statements	26-24/25
RIDADR	UN 1993
WGK Germany	1
RTECS	AK5250000
HazardClass	3.2
PackingGroup	III
Hazardous Substances Data	141-97-9(Hazardous Substances Data)

MSDS Information

Provider	Language
Acetoacetic ester	English
SigmaAldrich	English
ACROS	English
ALFA	English

Ethyl acetoacetate Usage And Synthesis

Chemical Properties	Colourless, clear liquid
Usage	Ethyl acetoacetate (EAA) is used as starting material for the syntheses of alpha-substituted acetoacetic esters and cyclic compounds, e.g. pyrazole, pyrimidine and coumarin derivatives as well as intermediate for vitamins and pharmaceuticals. Product Data Sheet
General Description	A colorless liquid with a fruity odor. Flash point 185°F. Boiling point 365°F. May cause adverse health effects if ingested or inhaled. May irritate to skin, eyes and mucous membranes. Used in organic synthesis and in lacquers and paints.
Air & Water Reactions	Flammable.
Reactivity Profile	Ethyl acetoacetate, a beta-keto ester, is more reactive than many esters. Undergoes an exothermic cleavage reaction in the presence of concentrated base. Reacts with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides. Mixing with 2,2,2-tris(bromomethyl)ethanol and zinc led to an explosion [US Patent 3 578 619, Crotonaldehyde may rapidly polymerize with Ethyl acetoacetate (Soriano, D.S. et al. 1988. Journal of Chemical Education 65:637.).1971].
Health Hazard	Liquid may cause mild irritation of eyes.