4-pentenyl isothiocyanate
 
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IUPAC name :5-isothiocyanatopent-1-ene
InChI :InChI=1/C6H9NS/c1-2-3-4-5-7-6-8/h2H,1,3-5H2
InChIKey :DBISBKDNOKIADM-UHFFFAOYAX
SMILES :C=CCCCN=C=S
cas number :18060-79-2
fema number :4427
jecfa number :1893
molar refractivity :40.38 ± 0.5 cm3
parachor :327.0 ± 8.0 cm3
index of refraction :1.483 ± 0.05
surface tension :28.7 ± 7.0 dyne/cm
density :0.90 ± 0.1 g/cm3
polarizability :16.01 ± 0.5 10-24cm3
xlogp : 3.30
molecular weight : 127.2073600
formula :C6 H9 N S
 
 
export tariff code :unspecified
fda reg :unspecified
 

organoleptics :
odor strength :very high ,
recommend smelling in a 0.01 % solution or less
odor description :
at 0.01 % in propylene glycol.  
mustard horseradish

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.97000 to 0.97600 @ 20.00 °C.
pounds per gallon - calc. : 8.081 to 8.131
refractive index :1.51300 to 1.51900 @ 20.00 °C.
boiling point : 182.00 to 183.00 °C. @ 760.00 mm Hg
boiling point : 57.00 to 58.00 °C. @ 3.00 mm Hg
logp : 3.13

safety :
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
flash point ( Deg. F. ) : 136.00  °F.  TCC  ( 57.78 °C. )
recommendation for 4-pentenyl isothiocyanate usage levels up to :
 not for fragrance use.
 
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
publication number : 23.
 average usual ppmaverage maximum ppm
baked goods : --
beverages(nonalcoholic) : 1.0000010.00000
beverages(alcoholic) : 1.0000010.00000
breakfast cereal : --
cheese : 0.500005.00000
chewing gum : 5.0000050.00000
condiments / relishes : 100.00000700.00000
confectionery froastings : --
egg products : --
fats / oils : --
fish products : --
frozen dairy : --
fruit ices : --
gelatins / puddings : --
granulated sugar : --
gravies : --
hard candy : 3.0000030.00000
imitation dairy : --
instant coffee / tea : --
jams / jellies : --
meat products : --
milk products : --
nut products : 0.500005.00000
other grains : 0.500002.50000
poultry : --
processed fruits : --
processed vegetables : --
reconstituted vegetables : --
seasonings / flavors : 10.00000100.00000
snack foods : 2.0000020.00000
soft candy : 3.0000030.00000
soups : 0.500005.00000
sugar substitutes : --
sweet sauces : --

safety references :
EPI System :view
 
 
 5-isothiocyanatopent-1-ene
chemidplus :018060792
EPA Substance Registry Services :18060-79-2
NLM Chemical Carcinogenesis Research Information System :18060-79-2
NLM Developmental and Reproductive Toxicity :18060-79-2
NLM Env. Mutagen Info. Center :18060-79-2
NLM GENetic TOXicology :18060-79-2

references :
 5-isothiocyanatopent-1-ene
jecfa number :1893
pubchem :664266
NIST Chemistry WebBook :2912607259

other :
synonyms :
4-pentenyl ester isothiocyanic acid
4-pentenyl isothiocyanate
5-isothiocyanatopent-1-ene
5-isothiocyano-1-pentene

soluble in :
 alcohol
 water, 160 mg/L @ 20C

insoluble in :
 water

(odor and/or flavor) blends with :
 allyl alcohol
 allyl sulfide
 benzyl mercaptan
isobutyl mercaptan
 cyclopentyl mercaptan
 ethyl vinyl ketone
 furfuryl acetate
 furfuryl methyl sulfide
3-mercapto-2-pentanone
2-methyl 5-(methyl thio) furan
 methyl propyl disulfide
2-(methyl thio) acetaldehyde
1-penten-3-ol
2-phenethyl isothiocyanate
 radish isothiocyanate

natural occurrence in :
mustard oil



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Html Last modified 11/29/2008