Methyl acetoacetate colorless clear liquid
COA 2 Inquiries
105-45-3
Industrial Grade
99.9%
China
East Chemsources
25kg/bag 220kgs/steel drum; Flexitank,IBC & Isotank,
Yes
2025-12-31
Food additives,Pharmaceutical raw materials,Chemicals,Comestic raw materials
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceColorless, clear liquidA clear colorless liquid. Flash point 158°F. Denser than water and slightly soluble in water. Vapors heavier than air.
Methyl acetoacetate appears as a clear colorless liquid. Flash point 158°F. Denser than water and slightly soluble in water. Vapors heavier than air.|Liquid|COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
Methyl acetoacetate appears as a clear colorless liquid. Flash point 158°F. Denser than water and slightly soluble in water. Vapors heavier than air.|Methylacetoacetic acid is an oxo carboxylic acid.CertificatesBasic Info-
Product Name:
Methyl acetoacetate
Other Name:Butanoic acid,3-oxo-,methyl ester;Acetoacetic acid,methyl ester;Methyl acetoacetate;Methyl acetylacetate;Methyl 3-oxobutyrate;Methyl 3-oxobutanoate;3-Oxobutanoic acid methyl ester;3-Oxobutyric acid methyl ester;Acetoacetate methyl ester;Methyl 2-acetoacetate
CAS No.:105-45-3
Molecular Formula:C5H8O3
InChIKeys:InChIKey=WRQNANDWMGAFTP-UHFFFAOYSA-N
Molecular Weight:116.12
Exact Mass:116.12
BRN:506727
EC Number:203-299-8
UNII:CW4I82QAX1
ICSC Number:1086
UN Number:1993
DSSTox ID:DTXSID9026716
Color/Form:Colorless liquid
HScode:29183000
Categories:
Characteristics-
PSA:
43.4
XLogP3:0
Appearance:APHA: ≤20 Liquid
Density:1.0762 g/cm3 @ Temp: 20 °C
Melting Point:27-28 °C
Boiling Point:171.7 °C
Flash Point:158 °F
Refractive Index:n 20/D 1.419(lit.)
Water Solubility:H2O: 460 g/L (20 ºC)
Storage Conditions:2-8°C
Vapor Pressure:Vapour pressure, kPa at 20°C: 0.17
Vapor Density:Relative vapour density (air = 1): 4.0
Toxicity:LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter)
Explosive limit:1.3-14.2%(V)
Odor:Agreeable odor
Henrys Law Constant:Henry's Law constant: 2.7X10-7 atm-cu m/mole at 25 °C /Estimated
Experimental Properties:Conversion factor (wt/vol): 1 ppm = 4.74 mg/cu m|Slight decomposition between 169-171 °C; give a deep red color with ferric chloride|Hydroxyl radical reaction rate constant: 3.25X10-13 cu cm/molecule sec at 25 °C
Air and Water Reactions:Very slightly soluble in water.
Reactive Group:Esters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters
Reactivity Profile:METHYL ACETOACETATE is an ester. Esters react 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. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides
Autoignition Temperature:536 °F (USCG, 1999)|536 °F (280 °C)|280 °C
Hazard IdentificationClassification of the substance or mixture
Eye irritation, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H319 Causes serious eye irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. Above 77°C use a closed system and ventilation. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from oxidants.
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Seller Information
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Business Type:
Trader
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Main Products:
Food additives,Pharmaceutical raw materials,Chemicals,Comestic raw materials
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Location:
Room 501, Unit 6, No. 40, hushan road,Licang,Qingdao
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Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
10 days
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2017
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
India
MAA
1 MT Sep 14, 2024 
Brunei
Methyl Acetoacetate
10000 TON Jul 29, 2025 Post an enquiry for this product
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