(E)-tiglic acid
 
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IUPAC name :(E)-2-methylbut-2-enoic acid
InChI :InChI=1/C5H8O2/c1-3-4(2)5(6)7/h3H,1-2H3,(H,6,7)/b4-3+/f/h6H
InChIKey :UIERETOOQGIECD-QYPRIRBSDR
SMILES :C\C=C(/C)\C(=O)O
(EINECS) number :201-295-0
cas number :80-59-1
beilstein number :1236500
fema number :3599
coe number :10168
jecfa number :1205
fl. number :08.064
molar refractivity :26.67 ± 0.3 cm3
parachor :236.2 ± 4.0 cm3
index of refraction :1.450 ± 0.02
surface tension :32.2 ± 3.0 dyne/cm
density :1.010 ± 0.06 g/cm3
polarizability :10.57 ± 0.5 10-24cm3
xlogp : 0.90
molecular weight : 100.1158200
formula :C5 H8 O2
BioActivity Analysis :98449
 
 
fda reg :unspecified h. number :unspecified
organoleptics : 
odor type :spicy
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
sweet spicy woody caramel
taste description³ :at 75.00 ppm.  
Sweet, brown, fruity, with ripe and jammy nuances
substantivity :16  Hour(s)
properties : 
appearence :white crystals
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :No
melting point : 54.00 - 57.00 °C. @ 760.00 mm Hg
boiling point : 95.00 - 96.00 °C. @ 12.00 mm Hg
boiling point : 198.00 - 199.00 °C. @ 760.00 mm Hg
logp : 1.40
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rat    >5.00  gm/kg  FCTOD7  20,837,1982
Dermal Toxicity(LD50) : Skin-Rabbit  >5.00  gm/kg  FCTOD7  20,837,1982
  
flash point ( Deg. F. ) : 215.00  °F.  TCC  ( 101.67 °C. )
  
recommendation for (E)-tiglic acid usage levels up to :
  1.0000 % in the fragrance concentrate.
  
recommendation for (E)-tiglic acid usage levels up to :
  75.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :201-295-0
rtecs :GQ5430000 for 80-59-1
chemidplus :000080591
epa-srs :80-59-1
dtp/nci :44235
  
other : 
 
references : 
pubchem :149632
NIST Chemistry WebBook :3971914985
  
reference : Mosciano, Gerard P&F 17, No. 5, 127, (1992)³
synonyms :
 cevadic acid
(E)-2,3-dimethyl acrylic acid
trans-2,3-dimethyl acrylic acid
trans-alpha,beta-dimethyl acrylic acid
(E)-2-methyl crotonic acid
trans-2-methyl crotonic acid
(E)-2-methyl-2-butenoic acid
trans-2-methyl-2-butenoic acid
(E)-tiglic acid
(E)-tiglinic acid
soluble in :
 alcohol
 water, 18500 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 banana
 berry
 bread
 caramel
 cheese
 floral
 fruit
 papaya
 passion fruit
 rum
 soy sauce
 spice
 woody
natural occurrence in :
banana
bread
celery leaf
celery stalk
coffee bean
papaya
passion fruit
soya bean
strawberry



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