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4755-81-1

Name Methyl 2-chloroacetoacetate
CAS 4755-81-1
EINECS(EC#) 225-286-6
Molecular Formula C5H7ClO3
MDL Number MFCD00008757
Molecular Weight 150.56
MOL File 4755-81-1.mol
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Chemical Properties

Appearance CLEAR YELLOW LIQUID
Melting point  -33--32.7 °C (lit.)
Boiling point  137 °C (lit.)
density  1.236 g/mL at 25 °C(lit.)
refractive index  n20/D 1.446(lit.)
Fp  161 °F
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
form  Liquid
pka 7.89±0.46(Predicted)
color  Clear yellow
Water Solubility  50 g/L (20 ºC)
CAS DataBase Reference 4755-81-1(CAS DataBase Reference)
NIST Chemistry Reference Butanoic acid, 2-chloro-3-oxo-, methyl ester(4755-81-1)
EPA Substance Registry System 4755-81-1(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S27:Take off immediately all contaminated clothing .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
RIDADR  UN 2810 6.1/PG 3
WGK Germany  3
HazardClass  8
PackingGroup  III
HS Code  29183000

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