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

2-mercaptomethyl pyrazine
2-(mercaptomethyl)pyrazine

Supplier Sponsors

Name:pyrazin-2-ylmethanethiol
CAS Number: 59021-02-2Picture of molecule3D/inchi
FDA UNII: CUV3XV379F
Nikkaji Web:J429.384C
Beilstein Number:0878425
CoE Number:11502
Molecular Weight:126.18182000
Formula:C5 H6 N2 S
NMR Predictor:Predict (works with chrome, Edge 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:794 2-(mercaptomethyl)pyrazine
DG SANTE Food Flavourings:14.053 2-mercaptomethylpyrazine
FEMA Number:3299 2-(mercaptomethyl)pyrazine
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):59021-02-2 ; 2-MERCAPTOMETHYLPYRAZINE
 
Physical Properties:
Appearance:colorless to yellow clear liquid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.13400 @ 25.00 °C.
Refractive Index:1.57800 @ 20.00 °C.
Boiling Point: 44.00 to 45.00 °C. @ 0.07 mm Hg
Boiling Point: 94.00 °C. @ 10.00 mm Hg
Vapor Pressure:0.134000 mmHg @ 25.00 °C. (est)
Flash Point: 140.00 °F. TCC ( 60.00 °C. )
logP (o/w): 0.633 (est)
Soluble in:
 alcohol
 water
 water, 4.075e+004 mg/L @ 25 °C (est)
 
Organoleptic Properties:
Odor Type: caramellic
meaty roasted meaty
Odor Description:at 0.10 % in propylene glycol. roasted in sugar syrup meaty
Flavor Type: meaty
meaty roasted meaty
Taste Description: roasted meat-like
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
Mercaptomethyl Pyrazine
Jiangyin Healthway
Mercaptomethyl pyrazine
New functional food ingredients
M&U International
2-MERCAPTO METHYL PYRAZINE, Kosher
Sunaux International
Mercapto Methyl Pyrazine
Synerzine
2-mercaptomethylpyrazine (neat)
Synerzine
2-Mercaptomethylpyrazine also named Pyrazine Methanethiol
Supplied as 10% w/w in ethanol
Tengzhou Jitian Aroma Chemiclal
Mercaptomethyl Pyrazine
United International
2-Mercapto Methyl Pyrazine
WholeChem
Mercaptomethyl pyrazine
 
Safety Information:
 
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:
gavage-rat LD50 [sex: M,F] 2100 mg/kg
(Burdock & Ford, 1990b)

oral-rat LD50 1700 mg/kg
KIDNEY, URETER, AND BLADDER: OTHER CHANGES BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 4, 1990.

intraperitoneal-mouse LD50 100 mg/kg
European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 18, Pg. 515, 1983.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category:
flavoring agents
Recommendation for 2-mercaptomethyl pyrazine usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.01 (μg/capita/day)
Structure Class: III
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
Click here to view publication 5
 average usual ppmaverage maximum ppm
baked goods: -10.00000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: -10.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -10.00000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -10.00000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -10.00000
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):

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf

Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1]
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010)
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):59021-02-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :62145
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
pyrazin-2-ylmethanethiol
Chemidplus:0059021022
 
References:
 pyrazin-2-ylmethanethiol
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:59021-02-2
Pubchem (cid):62145
Pubchem (sid):135020126
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB36186
FooDB:FDB015040
ChemSpider:View
 
Potential Blenders and core components note
For Odor
alliaceous
dimethyl trisulfide
FL/FR
methyl furfuryl disulfide
FL/FR
caramellic
caramel pentadione
FL/FR
maltyl isobutyrate
FL/FR
strawberry furanone
FL/FR
chocolate
2,6-
dimethyl pyrazine
FL/FR
coffee
coffee difuran
FL/FR
furfuryl mercaptan
FL/FR
fresh
10-
undecen-1-yl acetate
FL/FR
fruity
3-
mercaptohexyl acetate
FL/FR
(E)-7-
methyl-3-octen-2-one
FL/FR
prunus amygdalus amara seed extract
FL/FR
(E)-2-
undecenal
FL/FR
green
(E,Z)-2,6-
nonadienal
FL/FR
meaty
meaty dithiane
FL/FR
sulfurol
FL/FR
sulfuryl acetate
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
nutty
2-
ethyl-4-methyl thiazole
FL/FR
filbert heptenone
FL/FR
2,6-
lutidine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
roasted
trigonella foenum-graecum seed oil CO2 extract
FL/FR
smoky
2,6-
dimethoxyphenol
FL/FR
pyroligneous acids
FL/FR
sulfurous
benzothiazole
FL/FR
fish thiol
FL/FR
furfuryl thioacetate
FL/FR
2-
mercaptopropionic acid
FL/FR
methyl mercaptan
FL/FR
2-(
methyl thio) phenol
FL/FR
For Flavor
No flavor group found for these
2-
acetyl-3,4,5,6-tetrahydropyridine
FL
1,2-
butane dithiol
FL
(Z+E)-2,5-
dimethyl-3-tetrahydrofuran thiol
FL
(Z+E)-2,5-
dimethyl-3-thioacetoxytetrahydrofuran
FL
2,5-
dimethyl-3-thiofuroyl furan
FL
2-
methyl-3-(methyl thio) pyrazine
FL/FR
3-((2-
methyl-3-furyl)thio)-4-heptanone
FL
3,7-
dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide
FL
2-
methyl-1-methyl thio-2-butene
FL
3-
methyl-1,2,4-trithiane
FL
alliaceous
alliaceous
allyl disulfide
FL
allyl mercaptan
FL
1,3-
butane dithiol
FL
cyclopentyl mercaptan
FL
dicyclohexyl disulfide
FL
dimethyl trisulfide
FL/FR
garlic oil extenders
FL
3-
mercapto-2-pentanone
FL
3-
tetrahydrothiophenone
FL
bacon
bacon reaction crispy
FL
burnt
1,6-
hexane dithiol
FL
caramellic
caramel pentadione
FL/FR
strawberry furanone
FL/FR
chemical
2,5-
dimethyl furan
FL
coffee
coffee difuran
FL/FR
2-
ethyl-4-methyl thiazole
FL/FR
furfuryl mercaptan
FL/FR
methyl furfuryl disulfide
FL/FR
methyl furfuryl mercaptopropionate
FL
methyl furfuryl thiol
FL
earthy
(±)-2-
mercapto-5-methylheptan-4-one
FL
1,8-
octane dithiol
FL
2-
thienyl disulfide
FL
fatty
pork
fat extract
FL
(E)-7-
methyl-3-octen-2-one
FL/FR
fruity
2-
ethyl-2,5-dihydro-4-methyl thiazole
FL
greasy
10-
undecen-1-yl acetate
FL/FR
green
4-
methyl thiazole
FL
(E,Z)-2,6-
nonadienal
FL/FR
jammy
maltyl isobutyrate
FL/FR
meaty
4-
allyl-2,6-dimethoxyphenol
FL
bacon flavor
FL
beef broth flavor
FL
BBQ
beef flavor
FL
beef flavor
FL
roast
beef flavor
FL
beef flavor base
FL
benzothiazole
FL/FR
chicken bone extract
FL
chicken extract
FL
chicken flavor
FL
grilled
chicken flavor
FL
chicken key
FL
2,6-
dimethyl pyrazine
FL/FR
2,6-
dimethyl thiophenol
FL
2,5-
dimethyl-3-furan thiol
FL
2',3-
dimethyl-3',4-dioxa-2,8-dithiabicyclo(3.3.0)octane spirocyclopentane
FL
1,1-
ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4%
FL
ethyl 2-hydroxyethyl sulfide
FL
furfuryl 2-methyl-3-furyl disulfide
FL
4-
furfuryl thio-2-pentanone
FL
ham enhancers
FL
ham flavor
FL
hot dog flavor
FL
lamb flavor
FL
liver flavor
FL
meat broth concentrates
FL
meat flavors
FL
meaty dithiane
FL/FR
meaty enhancers
FL
3-
mercapto-2-butanone
FL
(R,S)-2-
mercapto-3-butanol
FL
3-
mercapto-3-methyl butanol
FL
2-
mercaptopropionic acid
FL/FR
2-
methyl 3-(methyl thio) furan
FL
2-(
methyl thio) phenol
FL/FR
methyl thiofuryl butanal
FL
bis(2-
methyl-3-furyl) disulfide
FL
S-(2-
methyl-3-furyl) ethane thioate
FL
2-
methyl-3-tetrahydrofuran thiol
FL
2-
methyl-3-thioacetoxytetrahydrofuran
FL
phenyl mercaptan
FL
pork flavor
FL
roasted
pork flavor
FL
grilled
pork flavor
FL
propyl 2-mercaptopropionate
FL
pyrazinyl ethane thiol
FL
2-
pyridinyl methane thiol
FL
rabbit flavor
FL
grilled
steak flavor
FL
sulfurol
FL/FR
sulfuryl acetate
FL/FR
thialdine
FL
ortho-
thiocresol
FL
ortho-
thioguaiacol
FL
roast
turkey flavor
FL
turkey flavor
FL
smoked
turkey flavor
FL
veal flavor
FL
venison flavor
FL
medicinal
2,6-
dimethoxyphenol
FL/FR
metallic
2,5-
dihydroxy-1,4-dithiane
FL
moldy
strawberry furanone methyl ether
FL/FR
nutty
2-
acetyl-4-methyl thiazole
FL
filbert heptenone
FL/FR
2,6-
lutidine
FL/FR
nutty thiazole
FL
prunus amygdalus amara seed extract
FL/FR
phenolic
2-
ethyl benzene thiol
FL
roasted
3,5-
diisobutyl-1,2,4-trithiolane
FL
furfuryl thioacetate
FL/FR
hexyl mercaptan
FL
trigonella foenum-graecum seed oil CO2 extract
FL/FR
savory
2,4,6-
triethyl tetrahydro-1,3,5-dithiazine
FL
smoky
prosopis juliflora wood extract
FL
pyroligneous acids
FL/FR
spicy
hot spicy
beef flavor
FL
sulfurous
2,3-
butane dithiol
FL
butyl mercaptan
FL
fish thiol
FL/FR
furfuryl thiopropionate
FL
methyl 2-methyl-3-furyl disulfide
FL
methyl mercaptan
FL/FR
3-
methyl-2-butane thiol
FL
2-
naphthyl mercaptan
FL
3-
pentane thiol
FL
roasted butanol
FL
tropical
3-
mercaptohexyl acetate
FL/FR
waxy
(E)-2-
undecenal
FL/FR
yeasty
faex extracts
FL
 
Potential Uses:
FLmeat
FLroasted
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
2-mercapto methyl pyrazine
 mercaptomethyl pyrazine
2-(mercaptomethyl)pyrazine
2-mercaptomethylpyrazine
 pyrazin-2-yl methane thiol
 pyrazin-2-ylmethanethiol
 pyrazine methane thiol
 pyrazine, 2-mercaptomethyl-
 pyrazinemethanethiol
2-pyrazinemethanethiol
 pyrazinyl methyl mercaptan
 pyrazinylmethyl mercaptan
 pyrazinylmethyl-mercaptan
 pyrazinylmethylmercaptan
 
 
Notes:
Liq. with roasted, meat-like flavour
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