EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

cyclopentyl mercaptan
cyclopentanethiol

Supplier Sponsors

Name:cyclopentanethiol
CAS Number: 1679-07-8Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:216-841-3
FDA UNII:H279996YO9
Nikkaji Web:J43.297K
Beilstein Number:2343861
MDL:MFCD00001369
CoE Number:2321
XlogP3-AA:1.80 (est)
Molecular Weight:102.19970000
Formula:C5 H10 S
NMR Predictor:Predict (works with chrome or firefox)
Category:flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
PubMed:Search
NCBI:Search
JECFA Food Flavoring:516 cyclopentanethiol
FLAVIS Number:12.029 (Old)
DG SANTE Food Flavourings:12.029 cyclopentanethiol
FEMA Number:3262 cyclopentanethiol
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: CYCLOPENTANETHIOL
 
Physical Properties:
Appearance:colorless clear liquid (est)
Assay: 97.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.92000 to 0.92500 @ 25.00 °C.
Pounds per Gallon - (est).: 7.655 to 7.697
Refractive Index:1.48800 to 1.49020 @ 20.00 °C.
Boiling Point: 41.00 to 42.00 °C. @ 16.00 mm Hg
Boiling Point: 130.00 to 132.00 °C. @ 760.00 mm Hg
Vapor Pressure:1.000000 mm/Hg @ 20.00 °C.
Vapor Density:1.0 ( Air = 1 )
Flash Point: 77.00 °F. TCC ( 25.00 °C. )
logP (o/w): 2.377 (est)
Soluble in:
 alcohol
 oils
 water, 758 mg/L @ 25 °C (calc.)
 water, 758.1 mg/L @ 25 °C (est)
Insoluble in:
 water
Similar Items:note
allyl mercaptan
amyl mercaptan
isoamyl mercaptan
sec-amyl mercaptan
tert-amyl mercaptan
benzyl mercaptan
buchu mercaptan
butyl mercaptan
isobutyl mercaptan
tert-butyl mercaptan
cetyl mercaptan
cyclohexyl mercaptan
decyl mercaptan
dodecyl mercaptan
2-ethyl hexyl mercaptan
ethyl mercaptan
ethylene mercaptan
furfuryl mercaptan
grapefruit mercaptan
heptyl mercaptan
hexyl mercaptan
methyl mercaptan
2-naphthyl mercaptan
nonyl mercaptan
octyl mercaptan
peach mercaptan
1-phenethyl mercaptan
2-phenethyl mercaptan
phenyl mercaptan
prenyl mercaptan
propyl mercaptan
isopropyl mercaptan
2-thienyl mercaptan
3-thienyl mercaptan
tridecyl mercaptan
undecyl mercaptan
 
Organoleptic Properties:
Odor Type: alliaceous
Odor Strength:high ,
recommend smelling in a 0.01 % solution or less
alliaceous onion garlic horseradish vegetable celery eggy
Odor Description:at 0.01 % in propylene glycol. alliaceous onion garlic horseradish vegetable celery eggy
alliaceous onion garlic horseradish vegetable celery eggy meaty
Odor Description:Alliaceous, onion, garlic, horseradish, vegetable-celery, egg, sauteed meat
Mosciano, Gerard P&F 14, No. 6, 47, (1989)
Flavor Type: alliaceous
alliaceous onion garlic horseradish meaty eggy burnt vegetable celery
Taste Description: at 2.00 ppm. Alliaceous, onion, garlic, horseradish, meat, egg, burned, vegetable, celery
Mosciano, Gerard P&F 14, No. 6, 47, (1989)
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
Cyclopentanethiol
DeLong Chemicals America
Cyclopentanethiol, Kosher
Endeavour Specialty Chemicals
Cyclopentanethiol 97% F&F
Speciality Chemical Product Groups
M&U International
CYCLOPENTANETHIOL, Kosher
Penta International
CYCLOPENTANETHIOL, Kosher
R C Treatt & Co Ltd
Cyclopentanethiol
Robinson Brothers
Cyclopentanethiol F&F
https://www.robinsonbrothers.uk/chemistry-competences
Santa Cruz Biotechnology
For experimental / research use only.
Cyclopentanethiol
Sigma-Aldrich
Cyclopentanethiol, ≥97%, FG
Odor: meaty; alliaceous (onion, garlic); vegetable
Certified Food Grade Products
Synerzine
Cyclopentanethiol
TCI AMERICA
For experimental / research use only.
Cyclopentanethiol >98.0%(GC)
 
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 10 - Flammable.
R 38 - Irritating to skin.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 24 - Avoid contact with skin.
S 36 - Wear suitable protective clothing.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-mouse LD50 [sex: M,F (5/group)] 2680 mg/kg
Use of both sexes not clear from reference
(Oser, 1970c)

oral-mouse LD50 2680 mg/kg
Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: flavoring agents
Recommendation for cyclopentyl mercaptan usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (μg/capita/day)
NOEL (No Observed Effect Level): 0.56 (mg/kg bw per day)
Structure Class: II
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).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 5
 average usual ppmaverage maximum ppm
baked goods: -0.10000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: -0.10000
cheese: --
chewing gum: --
condiments / relishes: -0.10000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -0.10000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.10000
milk products: -0.10000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -0.10000
sugar substitutes: --
sweet sauces: --
 
Safety References:
European Food Safety Athority(efsa):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20
View page or View pdf

Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

Flavouring Group Evaluation 08 Rev2 (FGE.08 Rev2): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf

EPI System: View
EPA Substance Registry Services (TSCA):1679-07-8
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :15510
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 3336
WGK Germany:3
cyclopentanethiol
Chemidplus:0001679078
RTECS:GY4701000 for cas# 1679-07-8
 
References:
 cyclopentanethiol
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:1679-07-8
Pubchem (cid):15510
Pubchem (sid):134981357
Pherobase:View
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS):View
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB39771
FooDB:FDB019419
Export Tariff Code:2930.90.9190
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
FAO:Cyclopentanethiol
 
Potential Blenders and core components note
For Odor
alliaceous
dibutyl sulfide
FL/FR
garlic oil china
FL/FR
methyl furfuryl disulfide
FL/FR
citrus
alpha-
terpinyl methyl ether
FL/FR
fermented
ethyl (E)-2-crotonate
FL/FR
fruity
furfuryl acetate
FL/FR
hexyl (E)-tiglate
FL/FR
green
1-
penten-3-ol
FL/FR
spicy
ethyl vinyl ketone
FL/FR
sulfurous
ethyl 2-mercaptopropionate
FL/FR
ethyl methyl mercaptopropionate
FL/FR
ferula assa-foetida absolute
FL/FR
methyl 3-(methyl thio) propionate
FL/FR
2-
methyl 5-(methyl thio) furan
FL/FR
2-(
methyl thio) phenol
FL/FR
2-
phenethyl isothiocyanate
FL/FR
4-
tropical oxathiane
FL/FR
For Flavor
No flavor group found for these
allyl methyl disulfide
FL
allyl methyl trisulfide
FL
allyl propyl disulfide
FL
allyl propyl trisulfide
FL
iso
amyl mercaptan
FL
diethyl trisulfide
FL
dimethyl tetrasulfide
FL
dipropyl sulfide
FL
ethyl methyl trisulfide
FL
ethyl propyl disulfide
FL
ethyl propyl trisulfide
FL
methyl butyl sulfide
FL
4-
pentenyl isothiocyanate
FL
2-
phenethyl isothiocyanate
FL/FR
iso
propyl disulfide
FL
alliaceous
alliaceous
allyl disulfide
FL
allyl mercaptan
FL
allyl thiopropionate
FL
benzyl mercaptan
FL
1,3-
butane dithiol
FL
chive extract
FL
chive flavor
FL
dicyclohexyl disulfide
FL
diethyl disulfide
FL
garlic oil china
FL/FR
leek oil
FL
3-
mercapto-2-pentanone
FL
methyl 3-mercaptobutanoate
FL
2-
methyl thioacetaldehyde
FL
3-
tetrahydrothiophenone
FL
truffle sulfide
FL
buttery
butter onion garlic flavor
FL
coffee
methyl furfuryl disulfide
FL/FR
eggy
iso
propyl mercaptan
FL
estery
furfuryl acetate
FL/FR
fruity
4-
tropical oxathiane
FL/FR
garlic
allyl methyl sulfide
FL
garlic oleoresin
FL
green
dibutyl sulfide
FL/FR
hexyl (E)-tiglate
FL/FR
1-
penten-3-ol
FL/FR
meaty
(R,S)-2-
mercapto-3-butanol
FL
2-(
methyl thio) phenol
FL/FR
bis(2-
methyl-3-furyl) disulfide
FL
phenyl mercaptan
FL
ortho-
thiocresol
FL
metallic
2,5-
dihydroxy-1,4-dithiane
FL
musty
ethyl (E)-2-crotonate
FL/FR
2-
methyl 5-(methyl thio) furan
FL/FR
onion
ethyl 2-mercaptopropionate
FL/FR
methionol
FL
methyl propyl disulfide
FL
methyl propyl trisulfide
FL
propyl thioacetate
FL
roasted
ethyl 3-(furfuryl thio) propionate
FL
seafood
1,4-
dithiane
FL
spicy
ethyl vinyl ketone
FL/FR
sulfurous
allyl sulfide
FL
butyl mercaptan
FL
diallyl polysulfides
FL
diallyl tetrasulfide
FL
diallyl trisulfide
FL
ethyl methyl mercaptopropionate
FL/FR
S-
ethyl thioacetate
FL
ferula assa-foetida absolute
FL/FR
furfuryl methyl sulfide
FL
furfuryl thiopropionate
FL
3-
mercapto-2-methyl pentanal
FL
methyl 4-(methyl thio) butyrate
FL
2-
methyl thiophene
FL
onion oleoresin
FL
vegetable
methyl 3-(methyl thio) propionate
FL/FR
radish isothiocyanate
FL
woody
alpha-
terpinyl methyl ether
FL/FR
 
Potential Uses:
FLegg
FLgarlic
FLhorseradish
FLmeat
FLonion
 
Occurrence (nature, food, other):note
 wine
Search Picture
 
Synonyms:
 cyclopentane thiol
 cyclopentanethiol
 cyclopentyl thiol
 cyclopentylmercaptan
 cyclopentylthiol
 mercaptocyclopentane
 

Articles:

PubMed:[Inhibitory effect on Microcystis aeruginosa as well as separation and identification of the allelochemicals of welsh onion].
PubMed:Matrix metalloproteinase inhibitors based on the 3-mercaptopyrrolidine core.
PubMed:N-(tert)-butyloxycarbonyl)-beta,beta-cyclopentyl-cysteine (acetamidomethyl)-methyl ester for synthesis of novel peptidomimetic derivatives.
PubMed:Inhibition of nitric-oxide synthase enhances antigen-induced contractions and increases release of cysteinyl-leukotrienes in guinea pig lung parenchyma: nitric oxide as a protective factor.
PubMed:Characterization of a new class of selective nonsteroidal progesterone receptor agonists.
PubMed:Glutathione analogues in cancer treatment.
PubMed:Does nitric oxide allow endothelial cells to sense hypoxia and mediate hypoxic vasodilatation? In vivo and in vitro studies.
PubMed:Intrinsic optical signals in the dorsal horn of rat spinal cord slices elicited by brief repetitive stimulation.
PubMed:Serine and alanine mutagenesis of the nine native cysteine residues of the human A(1) adenosine receptor.
PubMed:Mechanisms of inhibitory effects of zinc and cadmium ions on agonist binding to adenosine A1 receptors in rat brain.
PubMed:CNS adenosine A1 receptors are altered after the administration of convulsant 3-mercaptopropionic acid and cyclopentyladenosine: an autoradiographic study.
PubMed:New alpha-thiol dipeptide dual inhibitors of angiotensin-I converting enzyme and neutral endopeptidase EC 3.4.24.11.
PubMed:Cysteine esters protect cultured rodent lung slices from sulphur mustard.
PubMed:Inhibitory effect of selected antiviral compounds on arenavirus replication in vitro.
PubMed:Chemical modification of A1 adenosine receptors in rat brain membranes. Evidence for histidine in different domains of the ligand binding site.
PubMed:Angiotensin-converting enzyme inhibitors. New orally active antihypertensive (mercaptoalkanoyl)- and [(acylthio)alkanoyl]glycine derivatives.
 
Notes:
Flavouring ingredient
Please share your Comments.
Email Address:
Top of Page Home
Copyright © 1980-2018 The Good Scents Company (tgsc) ™ Disclaimer Privacy Policy