furfuryl mercaptan
 
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IUPAC name :furan-2-ylmethanethiol
InChI :InChI=1/C5H6OS/c7-4-5-2-1-3-6-5/h1-3,7H,4H2
InChIKey :ZFFTZDQKIXPDAF-UHFFFAOYAB
SMILES :C1=COC(=C1)CS
cas number :98-02-2
(EINECS) number :202-628-2
beilstein number :0383594
fema number :2493
coe number :2202
jecfa number :1072
fl. number :13.026
molar refractivity :31.36 ± 0.3 cm3
parachor :249.9 ± 4.0 cm3
index of refraction :1.523 ± 0.02
surface tension :35.2 ± 3.0 dyne/cm
density :1.112 ± 0.06 g/cm3
polarizability :12.43 ± 0.5 10-24cm3
XlogP : 1.10
molecular weight : 114.1655400
formula :C5 H6 O S
 
 
export tariff code :2932.19.0000
fda reg :unspecified

Suppliers :
Advanced Biotech :furfuryl mercaptan EEC
98% min. natural
Odor:  Coffee, Roasted
Advanced Biotech :furfuryl mercaptan
98% min. natural
Odor:  Coffee, Roasted
Advanced Biotech :furfuryl mercaptan
1% min. (in etoh) natural
Odor:  Alcoholic, Coffee
Endeavour :Furfuryl mercaptan
98%
Fleurchem :furfuryl mercaptan
natural
Fleurchem :furfuryl mercaptan
Fontarome :FURFURYL MERCAPTAN
Odor:  Charred coffee
Frutarom :FURFURYL MERCAPTAN
≥99.00%, NI, Kosher
Odor:  Burnt, Coffee, Oily, Roast, Sulphurus
Frutarom :NATURAL FURFURYL MERCAPTAN
≥99.00%, natural, Kosher
Odor:  Burnt, Coffee, Oily, Roast, Sulphurus
Moellhausen :furfuryl mercaptan
95% min. nature identical kosher
Mooreganics :Furfuryl Mercaptan
Natural (Organic Compliant)
Penta :furfuryl mercaptan
Penta :furfuryl mercaptan
natural
Sigma-Aldrich-SAFC :Furfuryl mercaptan
≥95%, Kosher, FG
Odor:  caramel; chocolate; oily; smoky; herbaceous; nutty; sulfurous; meaty; waxy; fishy; coffee; alliaceous (onion, garlic)
Treatt :Furfuryl mercaptan
Vigon :Furfuryl Mercaptan
Natural 1% in Grain Alcohol
Vigon :Furfuryl Mercaptan
1% in Benzyl Benoate

organoleptics :
odor type :coffee
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
sulfury roasted coffee oily fatty burnt smoky

properties :
appearence :colorless to pale yellow clear oily liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.12000 to 1.13000 @ 25.00 °C.
pounds per gallon - calc. : 9.320 to 9.403
refractive index :1.52700 to 1.53500 @ 20.00 °C.
boiling point : 154.00 to 156.00 °C. @ 760.00 mm Hg
boiling point : 147.00 °C. @ 12.00 mm Hg
vapor density :3.9 ( Air = 1 )
flash point : 113.00  °F.  TCC  ( 45.00 °C. )
logP (o/w) : 1.96

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 - Wear suitable protective clothing.
Oral Toxicity(LD50) :
  Intraperitoneal-Mouse   [sex: M]  100-200  mg/kg
(Doull et al., 1962)

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :29.00 (μg/capita/day)
 
recommendation for furfuryl mercaptan usage levels up to :
  0.0500 % in the fragrance concentrate.
recommendation for furfuryl mercaptan usage levels up to :
  2.0000 ppm in the flavor.

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
NLM Developmental and Reproductive Toxicity :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 3336
 
WGK Germany :3
 
 
 
 furan-2-ylmethanethiol
(EINECS) number :202-628-2
RTECS :LU2100000 for 98-02-2
chemidplus :000098022
EPA Substance Registry Services :98-02-2
dtp/nci :41142

references :
 furan-2-ylmethanethiol
fl. number :13.026
jecfa number :1072
NIST Chemistry WebBook :1189558741
pubchem :150427

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
 coffee mercaptan
2-furan methane thiol
 furan-2-ylmethanethiol
(2-furanyl) methyl mercaptan
2-furfuryl mercaptan
alpha-furfuryl mercaptan
 furfuryl thiol
2-furfuryl thiol
2-furyl methane thiol
2-furyl methyl mercaptan
2-(mercaptomethyl) furan

soluble in :
 alcohol
 water, 2750 mg/L @ 25C

insoluble in :
 water

(odor and/or flavor) blends with :
2-acetyl furan
2-acetyl pyrazine
3-acetyl-2,5-dimethyl thiophene
4-allyl-2,6-dimethoxyphenol
 benzothiazole
 benzyl disulfide
 benzyl mercaptan
 benzyl methyl sulfide
 betel leaf oil
2-butenoic acid
 butyl mercaptan
2-isobutyl-4,5-dimethyl oxazole
 caramel furanone
 castoreum absolute
 chipotle chili oleoresin
 cocoa pyrazine
 coffee difuran
 coffee dione
 coffee pyrazine
 cubeb oil
 dicyclohexyl disulfide
 difurfuryl ether
 difurfuryl sulfide
2,5-dihydroxy-1,4-dithiane
 diisoamyl thiomalate
2,6-dimethoxyphenol
2,3-dimethyl benzofuran
2,3-dimethyl pyrazine
2,6-dimethyl pyrazine
2,4-dimethyl thiazole
2,6-dimethyl thiophenol
4,5-dimethyl-2-ethyl-3-thiazoline
4,5-dimethyl-2-propyl oxazole
2,5-dimethyl-3-furan thiol
2,5-dimethyl-3-thiofuroyl furan
2,5-dimethyl-4-ethyl oxazole
3,7-dimethyl-6-octenoic acid
alpha-ethoxy-ortho-cresol
 ethyl 3-(furfuryl thio) propionate
 ethyl 3-hydroxyhexanoate
 ethyl 4-(acetyl thio) butyrate
4-ethyl guaiacol
 ethyl methyl sulfide
para-ethyl phenol
S-ethyl thioacetate
2-ethyl-3,5(6)-dimethyl pyrazine mixture
 filbert heptenone
 fish thiol
 furfuryl alcohol
 furfuryl isopropyl sulfide
 furfuryl methyl ether
 furfuryl propionate
1-furfuryl pyrrole
 furfuryl thioacetate
S-furfuryl thioformate
 furfuryl thiopropionate
 guaiacol
 guaiacyl acetate
 hexyl mercaptan
1-hydroxy-2-butanone
 menthofuran
 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 5-(methyl thio) furan
2-methyl butyraldehyde
 methyl cyclopentenolone
 methyl furfuryl disulfide
1-methyl pyrrole
2-methyl quinoxaline
5-methyl quinoxaline
2-methyl thio-3,5 or 6-methyl pyrazine
2-methyl-1,3-dithiolane
4-methyl-2,6-dimethoxyphenol
2-methyl-3-,5 or 6-(furfuryl thio) pyrazine
2-methyl-3-furyl tetrasulfide
2-methyl-5-isopropyl pyrazine
1,9-nonane dithiol
1,8-octane dithiol
 pepper tree berry oil
 phoebe oil brazil
 prenyl mercaptan
 propyl 4-hydroxybenzoate
2-propyl phenol
 pyrazinyl ethane thiol
 pyroligneous acids
 pyroligneous acids hickory
2,3,5,6-tetramethyl pyrazine
2-thienyl mercaptan
2-thiophene thiol
2,4,5-trimethyl thiazole
 vanillyl ethyl ether
2,5-xylenol
2,6-xylenol
dextro-xylose

(odor and/or flavor) used in :
 butterscotch
 caramel
 chocolate cocoa
 coffee
 egg
 garlic
 onion

natural occurrence in :
beef cooked beef
chicken cooked chicken
coffee
popcorn
pork



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