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13991-37-2

Name TRANS-2-PENTENOIC ACID
CAS 13991-37-2
EINECS(EC#) 237-791-9
Molecular Formula C5H8O2
MDL Number MFCD00002704
Molecular Weight 100.12
MOL File 13991-37-2.mol
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Chemical Properties

Appearance clear colorless to light yellow liquid
Melting point  9-11 °C(lit.)
Boiling point  106 °C20 mm Hg(lit.)
density  0.99 g/mL at 25 °C(lit.)
FEMA  4193
refractive index  n20/D 1.452(lit.)
Fp  102 °C
storage temp.  Store below +30°C.
solubility  60g/l
form  Liquid
pka pK1:4.70 (25°C)
color  Clear colorless to light yellow
Odor at 100.00 %. acidic feta cheese buttery
explosive limit 1.6%(V)
Odor Type cheesy
JECFA Number 1804
BRN  1720312
InChIKey YIYBQIKDCADOSF-ONEGZZNKSA-N
LogP 1.333 (est)
CAS DataBase Reference 13991-37-2(CAS DataBase Reference)
EPA Substance Registry System 2-Pentenoic acid, (2E)- (13991-37-2)
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Safety Data

Hazard Codes  C
Risk Statements 
R22:Harmful if swallowed.
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3265 8/PG 3
WGK Germany  3
RTECS  SB2750000
Hazard Note  Harmful/Corrosive
HazardClass  8
PackingGroup  III
HS Code  29161900

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