Preferred name | pyrazine |
Trivial Name | Pyrazine |
Short Description | 1,4-diazabenzene |
Formula | C4 H4 N2 |
CAS Number | 290-37-9 |
Deleted CAS Number | 1339899-95-4 |
FEMA Number | 4015 |
Flavis Number | 14.144 |
ECHA Number | 206-027-6 |
FDA UNII | 2JKE371789 |
Nikkaji Number | J2.569K |
Beilstein Number | 0103905 |
MDL | MFCD00006122 |
COE Number | 11363 |
Bio Activity Summary | External link |
NMR Predictor | External link |
JECFA Food Flavoring | 951 pyrazine |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 290-37-9 ; PYRAZINE |
Synonyms |
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Google Books | Start search |
Google Patents | Start search |
Perfumer & Flavorists | Start search |
EU Patents | Start search |
PubMeb | Start search |
NCBI | Start search |
(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 |
CHEBI: | View |
CHEMBL: | View |
KEGG (GenomeNet): | C02018 |
HMDB (The Human Metabolome Database): | HMDB34176 |
FooDB: | FDB012468 |
Export Tariff Code: | 2933.99.9701 |
Typical G.C. | |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Wikipedia: | View |
Material listed in food chemical codex | No |
Molecular weight | 80.089881896973 |
Melting Point | 53 to 56°C @ 760 mm Hg |
Boiling Point | 115 to 116°C @ 760 mm Hg |
Vapor Pressure | 19.740999 mmHg @ 25 °C |
Flash Point TCC Value | 55.56 °C TCC |
logP (o/w) | -0.26 |
Solubility | |
alcohol | Yes |
water, 2.181e+005 mg/L @ 25 °C (est) | Yes |
Odor Type: Nutty | |
pungent, sweet, corn, roasted, hazelnut, hazelnut roasted hazelnut, barley roasted barley | |
General comment | At 0.10 % in propylene glycol. pungent sweet corn like roasted hazelnut barly |
(data available) |
Preferred SDS: View | |
European information : | |
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 16 - Keep away from sources of ignition - No Smoking. S 22 - Do not breath dust. 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. | |
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: | |
intraperitoneal-mouse LD50 2730 mg/kg Progress in Biochemical Pharmacology. Vol. 1, Pg. 542, 1965. | |
Dermal Toxicity: | |
Not determined | |
Inhalation Toxicity: | |
Not determined |
Category: | |||
flavoring agents | |||
Recommendation for pyrazine usage levels up to: | |||
not for fragrance use. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.024 (μg/capita/day) | ||
Maximised Survey-derived Daily Intakes (MSDI-USA): | 0.20 (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: 20 | |||
Click here to view publication 20 | |||
average usual ppm | average maximum ppm | ||
baked goods: | 1.00000 | 5.00000 | |
beverages(nonalcoholic): | 0.30000 | 1.50000 | |
beverages(alcoholic): | 0.60000 | 3.00000 | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | - | |
condiments / relishes: | - | - | |
confectionery froastings: | 0.60000 | 3.00000 | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | 0.60000 | 3.00000 | |
fruit ices: | - | - | |
gelatins / puddings: | - | - | |
granulated sugar: | - | - | |
gravies: | - | - | |
hard candy: | 1.00000 | 5.00000 | |
imitation dairy: | - | - | |
instant coffee / tea: | - | - | |
jams / jellies: | - | - | |
meat products: | - | - | |
milk products: | 0.30000 | 1.50000 | |
nut products: | - | - | |
other grains: | - | - | |
poultry: | - | - | |
processed fruits: | - | - | |
processed vegetables: | - | - | |
reconstituted vegetables: | - | - | |
seasonings / flavors: | - | - | |
snack foods: | - | - | |
soft candy: | 1.00000 | 5.00000 | |
soups: | - | - | |
sugar substitutes: | - | - | |
sweet sauces: | - | - |
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 |
Chemical Carcinogenesis Research Information System:Search |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):290-37-9 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :9261 |
National Institute of Allergy and Infectious Diseases:Data |
WISER:UN 1325 |
WGK Germany:3 |
pyrazine |
Chemidplus:0000290379 |
RTECS:UQ2015000 for cas# 290-37-9 |