4-methoxy-2-methyl butane thiol
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IUPAC name :4-methoxy-2-methylbutane-2-thiol
InChI :InChI=1/C6H14OS/c1-6(2,8)4-5-7-3/h8H,4-5H2,1-3H3
InChIKey :XVHGKKGBUDMTIQ-UHFFFAOYAT
SMILES :CC(C)(CCOC)S
cas number :94087-83-9
(EINECS) number :301-977-9
fema number :3785
coe number :12145
jecfa number :548
fl. number :12.145
molar refractivity :39.45 ± 0.3 cm3
parachor :337.4 ± 4.0 cm3
index of refraction :1.445 ± 0.02
surface tension :27.0 ± 3.0 dyne/cm
density :0.906 ± 0.06 g/cm3
polarizability :15.64 ± 0.5 10-24cm3
XlogP : 1.70
molecular weight : 134.2397600
formula :C6 H14 O S
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Endeavour :4-Methoxy-2-methyl-2-butanethiol
98%
Frutarom :METHOXY METHYLBUTANETHIOL
≥98.00%, NI, Kosher
Odor:  Blackcurrant, Fruity, Powerful
Frutarom :METHOXYMETHYLBUTANETHIOL
1% in PG, NI, Kosher
Odor:  Blackcurrant, Fruity, Powerful
Penta :4-methoxy-2-methyl-2-butanethiol
Treatt :4-Methoxy-4-methylbutane-2-thiol

organoleptics :
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in triacetin.  
sulfureous catty blackcurrant

properties :
appearence :colorless clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.91300 to 0.92300 @ 20.00 °C.
pounds per gallon - calc. : 7.606 to 7.689
refractive index :1.44500 to 1.45500 @ 20.00 °C.
boiling point : 159.00 to 160.00 °C. @ 760.00 mm Hg
flash point : 120.00  °F.  TCC  ( 48.89 °C. )
logP (o/w) : 1.57

safety :
most important hazard(s) :Xi - Irritant
  R 10 - Flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :ND (μg/capita/day)
 
recommendation for 4-methoxy-2-methyl butane thiol usage levels up to :
  0.0100 % in the fragrance concentrate.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 3336
 
WGK Germany :3
 
 
 
 4-methoxy-2-methylbutane-2-thiol
(EINECS) number :301-977-9
chemidplus :094087839
EPA Substance Registry Services :94087-83-9

references :
 4-methoxy-2-methylbutane-2-thiol
fl. number :12.145
jecfa number :548
NIST Chemistry WebBook :2808066233
pubchem :199684

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
 black currant mercaptan
 blackcurrant mercaptan
4-methoxy-2-methyl butane-2-thiol
4-methoxy-2-methyl-2-butane thiol
4-methoxy-2-methyl-2-mercaptobutane
4-methoxy-2-methylbutane-2-thiol
 methoxymethyl butane thiol

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
6-acetoxydihydrotheaspirane
 allyl 2-ethyl butyrate
 allyl butyrate
 allyl cinnamate
 allyl cyclohexyl valerate
 allyl hexanoate
 allyl octanoate
 allyl propionate
isoamyl 3-methyl thiopropionate
 amyl butyrate
isoamyl isovalerate
isoamyl laurate
isoamyl propionate
para-anisyl propionate
 benzyl isobutyrate
 benzyl octanoate
 berry pentadienoate
 buchu mercaptan
 butyl decylenate
isobutyl hexanoate
isobutyl isobutyrate
 butyl isovalerate
 butyl valerate
 cadinadiene
 cassis buteneone
 cassis pentanone
 citronellyl acetate
 citronellyl formate
 citronellyl isovalerate
 creamy lactone
 curcuma amada roxb. rhizome oil india
 cyclohexyl carboxylic acid
 cyclohexyl cinnamate
(Z)-beta-damascone
delta-damascone
 davana oil
delta-decalactone
gamma-decalactone
 decen-1-yl cyclopentanone
delta-decenolactone
alpha,alpha-dimethyl benzyl isobutyrate
 dimethyl salicylate
 diosphenol
 dipropyl trisulfide
delta-dodecalactone
epsilon-dodecalactone
gamma-dodecalactone
 ethyl (E,Z)-2,4-decadienoate
 ethyl 2-octenoate
 ethyl 3-octenoate
2-ethyl butyric acid
 ethyl cyclohexane propionate
 ethyl nonanoate
 fruity butanate
 fruity cyclopentanone
 furfuryl octanoate
2-furyl pentyl ketone
 genet absolute
 geranyl isobutyrate
 geranyl methyl tiglate
 geranyl propionate
 glyceryl 5-hydroxydecanoate
 glyceryl 5-hydroxydodecanoate
 grapefruit menthane
 heptanal dimethyl acetal
2-heptyl cyclopentanone
(Z)-3-hexen-1-yl phenyl acetate
 hexyl 2-methyl butyrate
 hexyl 2-methyl-3-pentenoate
 hotrienol
2'-hydroxyacetophenone
 jambu oleoresin
 jasmin lactone
 jasmin pyranone
 juniper carboxaldehyde
 linalyl isovalerate
 lychee mercaptan acetate
 maltyl isobutyrate
 mango thiol
1-para-menthene-8-thiol
 menthone-8-thioacetate
3-mercapto-2-butanone
3-mercaptohexyl acetate
3-mercaptohexyl butyrate
3-mercaptohexyl hexanoate
4-methoxy-2-methyl butane thiol
 methyl 2-(methyl thio) butyrate
 methyl 2-methyl valerate
4-methyl 4-mercaptopentan-2-one 1% in pg
 methyl nonanoate
S-(methyl thio) hexanoate
 methyl thiomethyl butyrate
 nonyl acetate
beta-ocimene
delta-octalactone
 octen-1-yl cyclopentanone
2-octen-4-one
 passiflora acetate
 peach cyclopentanone
 peach nitrile
 peach pivalate
1-penten-3-ol
 phenethyl acetate
 phenethyl isobutyrate
 phenethyl isovalerate
1-phenethyl mercaptan
2-phenyl propyl isobutyrate
 plum crotonate
isopropyl 2-methyl butyrate
isopropyl formate
 propyl hexanoate
 propyl isobutyrate
 rose butanoate
gamma-terpinene
 terpinyl propionate
 tetrahydrofurfuryl butyrate
 tetrahydrofurfuryl propionate
 thiogeraniol
S-tropical 2-thiobutyrate
 tropical 3-thiobutyrate
 tropical indene
 tropical ionone
 tropical oxathiane
 tropical thiazole
 tropical trithiane
delta-undecalactone
gamma-undecalactone
isovaleraldehyde
 viridiflorol

(odor and/or flavor) used in :
 apricot
 chocolate cocoa
 currant black currant
 fruit tropical fruit
 grapefruit
 mango
 meat
 passion fruit
 peach

natural occurrence in :
currant black currant



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