3-methyl-2-butane thiol
 
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IUPAC name :3-methylbutane-2-thiol
InChI :InChI=1/C5H12S/c1-4(2)5(3)6/h4-6H,1-3H3
InChIKey :BFLXFRNPNMTTAA-UHFFFAOYAA
SMILES :CC(C)C(C)S
(EINECS) number :218-223-9
cas number :2084-18-6
fema number :3304
coe number :11510
jecfa number :517
fl. number :12.049
molar refractivity :33.02 ± 0.3 cm3
parachor :277.7 ± 4.0 cm3
index of refraction :1.437 ± 0.02
surface tension :23.6 ± 3.0 dyne/cm
density :0.827 ± 0.06 g/cm3
polarizability :13.09 ± 0.5 10-24cm3
xlogp : 2.30
molecular weight : 104.2137800
formula :C5 H12 S
 

 
IUPAC name :(2R)-3-methylbutane-2-thiol
InChI :InChI=1/C5H12S/c1-4(2)5(3)6/h4-6H,1-3H3/t5-/m1/s1
InChIKey :BFLXFRNPNMTTAA-RXMQYKEDBY
SMILES :CC(C)[C@@H](C)S
cas number :2084-18-6  (R)
molar refractivity :33.02 ± 0.3 cm3
parachor :277.7 ± 4.0 cm3
index of refraction :1.437 ± 0.02
surface tension :23.6 ± 3.0 dyne/cm
density :0.827 ± 0.06 g/cm3
polarizability :13.09 ± 0.5 10-24cm3
xlogp : 2.30
molecular weight : 104.2137800
formula :C5 H12 S
 

 
IUPAC name :(2S)-3-methylbutane-2-thiol
InChI :InChI=1/C5H12S/c1-4(2)5(3)6/h4-6H,1-3H3/t5-/m0/s1
InChIKey :BFLXFRNPNMTTAA-YFKPBYRVBG
SMILES :CC(C)[C@H](C)S
cas number :2084-18-6  (S)
molar refractivity :33.02 ± 0.3 cm3
parachor :277.7 ± 4.0 cm3
index of refraction :1.437 ± 0.02
surface tension :23.6 ± 3.0 dyne/cm
density :0.827 ± 0.06 g/cm3
polarizability :13.09 ± 0.5 10-24cm3
xlogp : 2.30
molecular weight : 104.2137800
formula :C5 H12 S
 

 
export tariff code :unspecified
fda reg :unspecified
 

Suppliers :
Oxford Chemicals Ltd :3-METHYL-2-BUTANETHIOL
≥96.00%, NI, Kosher
Sigma-Aldrich-SAFC :3-Methyl-2-butanethiol
≥98%, Kosher
Treatt :3-Methyl-2-butanethiol

organoleptics :
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
repulsive beefy meaty

properties :
appearence :colorless clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.83500 to 0.84100 @ 25.00 °C.
pounds per gallon - calc. : 6.948 to 6.998
refractive index :1.44200 to 1.45200 @ 20.00 °C.
boiling point : 117.00 to 118.00 °C. @ 760.00 mm Hg
logp : 2.47

safety :
most important hazard(s) : Xi - Irritant
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
flash point ( Deg. F. ) : 60.00  °F.  TCC  ( 15.56 °C. )
recommendation for 3-methyl-2-butane thiol usage levels up to :
 not for fragrance use.
recommendation for 3-methyl-2-butane thiol usage levels up to :
  2.0000 ppm in the flavor.

safety links :
 
 
(EINECS) number :218-223-9
chemidplus :002084186
EPA Substance Registry Services :2084-18-6
NLM Chemical Carcinogenesis Research Information System :2084-18-6
NLM Developmental and Reproductive Toxicity :2084-18-6
NLM Env. Mutagen Info. Center :2084-18-6
NLM GENetic TOXicology :2084-18-6
EPI System :view

other :

references :
jecfa number :517
fl. number :12.049
pubchem :203819
NIST Chemistry WebBook :4087140094
pubchem :44306854
pubchem :44306856
synonyms :
3-methyl butane-2-thiol
3-methyl-2-butane thiol

soluble in :
 alcohol
 ether

insoluble in :
 water

(odor and/or flavor) blends with :
 benzyl methyl sulfide
2,5-dihydroxy-1,4-dithiane
2,5-dimethyl furan
2,5-dimethyl pyrazine
2,6-dimethyl pyrazine
2,4-dimethyl thiazole
2,6-dimethyl thiophenol
2,5-dimethyl-3-furan thiol
2,4-dimethyl-3-oxazoline
 ethyl 4-(acetyl thio) butyrate
 fish thiol
 hexyl mercaptan
3-mercapto-2-butanone
 methyl 2-methyl-3-furyl disulfide
2-methyl 3-(methyl thio) furan 10% in triacetin
4-methyl 4-mercaptopentan-2-one 1% in pg
2-methyl-3-furyl tetrasulfide
2-methyl-3-tetrahydrofuran thiol
1,9-nonane dithiol
1,8-octane dithiol
 pyrazinyl ethane thiol
2-pyridinyl methane thiol
 sulfurol
 sulfuryl acetate
1-(2-thienyl) butanone
2,4,5-trimethyl oxazole

(odor and/or flavor) used in :
 beef
 coffee
 savory

natural occurrence in :
found in nature



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Html Last modified 11/25/2008