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623-43-8

Name trans-Methyl crotonate
CAS 623-43-8
EINECS(EC#) 210-793-7
Molecular Formula C5H8O2
MDL Number MFCD00009287
Molecular Weight 100.12
MOL File 623-43-8.mol
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Chemical Properties

Appearance CLEAR COLOURLESS LIQUID
Melting point  -42°C
Boiling point  118-120 °C (lit.)
density  0.944 g/mL at 25 °C(lit.)
refractive index  n20/D 1.423(lit.)
Fp  40 °F
storage temp.  Flammables area
form  Liquid
color  Clear colorless
Odor at 1.00 % in dipropylene glycol. sharp green fruity
Odor Type green
Water Solubility  IMMISCIBLE
Detection Methods GC
Merck  14,2597
BRN  1720292
InChI InChI=1S/C5H8O2/c1-3-4-5(6)7-2/h3-4H,1-2H3/b4-3+
InChIKey MCVVUJPXSBQTRZ-ONEGZZNKSA-N
SMILES C(OC)(=O)/C=C/C
LogP 1.316 (est)
CAS DataBase Reference 623-43-8(CAS DataBase Reference)
NIST Chemistry Reference 2-Butenoic acid, methyl ester, (E)-(623-43-8)
EPA Substance Registry System 623-43-8(EPA Substance)
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Safety Data

Hazard Codes  F,Xi
Risk Statements 
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S9:Keep container in a well-ventilated place .
S33:Take precautionary measures against static discharges .
RIDADR  UN 3272 3/PG 2
WGK Germany  2
RTECS  GQ5710000
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29161980

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