isobutyl mercaptan
 
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IUPAC name :2-methylpropane-1-thiol
InChI :InChI=1/C4H10S/c1-4(2)3-5/h4-5H,3H2,1-2H3
InChIKey :BDFAOUQQXJIZDG-UHFFFAOYAY
SMILES :CC(C)CS
(EINECS) number :208-162-6
cas number :513-44-0
beilstein number :1730890
fema number :3874
coe number :11536
jecfa number :512
fl. number :12.173
molar refractivity :28.43 ± 0.3 cm3
parachor :240.5 ± 4.0 cm3
index of refraction :1.434 ± 0.02
surface tension :23.7 ± 3.0 dyne/cm
density :0.827 ± 0.06 g/cm3
polarizability :11.27 ± 0.5 10-24cm3
xlogp : 2.00
molecular weight : 90.1872000
formula :C4 H10 S
 
 
fda reg :unspecified h. number :unspecified
organoleptics : 
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
cooked vegetable mustard
properties : 
appearence :colorless clear liquid
assay : 92.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.82900 - 0.83600 @ 25.00 °C.
pounds per gallon - calc. : 6.898 to 6.956
refractive index :1.43960 @ 20.00 °C.
boiling point : 87.00 - 89.00 °C. @ 760.00 mm Hg
logp : 2.18
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rat    7168.00  mg/kg    
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 15.00  °F.  TCC  ( -9.44 °C. )
  
recommendation for isobutyl mercaptan usage levels up to :
 not for fragrance use.
  
safety links : 
(EINECS) number :208-162-6
rtecs :TZ7630000 for 513-44-0
chemidplus :000513440
epa-srs :513-44-0
  
other : 
 
references : 
jecfa number :512
fl. number :12.173
pubchem :153844
NIST Chemistry WebBook :3335441725
  
synonyms :
isobutane thiol
isobutanethiol
isobutyl mercaptan
isobutyl thiol
2-methyl propane-1-thiol
2-methyl-1-propane thiol
2-methyl-1-propanethiol
soluble in :
 alcohol
 oils
 water, 1720 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) blends with :
2-acetyl-3-methyl pyrazine
(E)-aconitic acid
 asafetida oil
 benzothiazole
2-(2-butyl)-4,5-dimethyl-3-thiazoline
 cortex pyridine
 cyclopentyl mercaptan
3,5-diethyl-2-methyl pyrazine
 dihydroxyacetophenone
 diisopropyl sulfide
 dimethyl disulfide
 dimethyl sulfide
4,5-dimethyl-2-ethyl-3-thiazoline
2-ethoxythiazole
 ethyl (E)-2-hexenoate
 ethyl 3-(furfuryl thio) propionate
 ethyl pyruvate
 ethyl vinyl ketone
2-ethyl-4,5-dimethyl oxazole
 furfuryl methyl sulfide
1-furfuryl pyrrole
 geranium thiazole
 grapefruit menthane
 hazelnut pyrazine
(E,E)-2,4-heptadien-1-al
(E)-2-hepten-1-al
(Z)-4-hepten-1-al
 hexanal propylene glycol acetal
(E)-4-hexen-1-al
2-hexen-1-al
4-hexen-1-ol
(Z)-3-hexen-1-yl (E)-crotonate
(Z)-3-hexen-1-yl formate
(Z)-3-hexen-1-yl lactate
(Z)-3-hexen-1-yl phenyl acetate
(Z)-3-hexen-1-yl pyruvate
(Z)-3-hexen-1-yl tiglate
 hexyl hexanoate
 jalapeno oleoresin
 lychee mercaptan acetate
 melon nonenoate
3-mercapto-3-methyl butanol
3-mercaptohexyl butyrate
 mesityl oxide
 methional
 methyl 2-methyl-3-furyl disulfide
 methyl 3-(methyl thio) propionate
2-methyl 5-(methyl thio) furan
 methyl benzyl disulfide
 methyl furfuryl disulfide
 methyl octanoate
 methyl propyl disulfide
2-methyl thiazole
2-methyl thio-3,5 or 6-methyl pyrazine
2-(methyl thio) acetaldehyde
4-(methyl thio) butanol
3-(methyl thio) hexanol
 methyl thiomethyl butyrate
2-methyl-1,3-dithiolane
3-(5-methyl-2-furyl) butanal
2-methyl-3-(methyl thio) pyrazine
5-methyl-5-hexen-2-one
2-methyl-5-methoxythiazole
2,6-nonadien-1-ol
(Z)-6-nonen-1-ol
2,4-octadien-1-al
2-octen-1-ol
1-octen-3-ol
(E)-2-octenoic acid
4-penten-1-yl acetate
1-penten-3-ol
4-pentenyl isothiocyanate
2-pentyl furan
 potato butanone
2-propyl pyrazine
 propyl thioacetate
isopropyl tiglate
2-isopropyl-3-(methyl thio) pyrazine
 propylene glycol acetone ketal
 radish isothiocyanate
 tetrahydrofurfuryl alcohol
3-tetrahydrothiophenone
2,4,5-trimethyl thiazole
 tropical thiazole
 vinyl sulfurol
 yeast thiazoline
natural occurrence in :
not found in nature



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