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General Material Information

Preferred name 2-methyl-3-propyl pyrazine
Trivial Name 2-Methyl-3-propylpyrazine
Short Description pyrazine, 2-methyl-3-propyl-
Formula C8 H12 N2
CAS Number 15986-80-8
Flavis Number 14.129
ECHA Number 240-121-8
FDA UNII Search
Nikkaji Number J149.485F
MDL MFCD00010096
NMR Predictor External link
Synonyms
  • 2-methyl-3-n-propylpyrazine
  • 2-methyl-3-propyl-pyrazine
  • 2-methyl-3-propylpyrazine
  • peanut pyrazine
  • 3-propyl-2-methyl pyrazine
  • 3-propyl-2-methylpyrazine
  • 2-propyl-3-methyl pyrazine
  • 2-propyl-3-methylpyrazine
  • pyrazine, 2-methyl-3-propyl-
  • 2-Methyl-3-propylpyrazine
  • 3-Propyl-2-methylpyrazine
  • 2-Propyl-3-methylpyrazine

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

2-methyl-3-propylpyrazine
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:15986-80-8
Pubchem (cid):85224
Pubchem (sid):135044523
Publications by US Patents
3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines

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
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB41252
FooDB:FDB021160
Export Tariff Code:2933.99.8090
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 136.19764709473
Specific gravity @ 25 °C
Pounds per Gallon 8.138 to 8.188
Refractive Index 1.495 to 1.501 @ 20 °C
Boiling Point 189 to 190°C @ 760 mm Hg
Vapor Pressure 0.792 mmHg @ 25 °C
Flash Point TCC Value 68.89 °C TCC
logP (o/w) 1.57
Solubility
alcohol Yes
water, 3962 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Nutty
nutty
General comment At 0.10 % in dipropylene glycol. nutty
Flavor Type: Earthy
earthy, green, nutty
General comment Earthy green nutty

Occurrences

Potential Uses

Applications
Odor purposes Peanut
Flavoring purposes Beef, Nut

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
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 37/39 - Wear suitable 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:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 2-methyl-3-propyl pyrazine usage levels up to:
0.1000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.011 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 400 (μg/person/day)
Threshold of Concern:540 (μg/person/day)
Structure Class: II
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.400002.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.100000.50000
Edible ices, including sherbet and sorbet (03.0): 0.400002.00000
Processed fruit (04.1): 0.400002.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 1.000005.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.200001.00000
Bakery wares (07.0): 2.0000010.00000
Meat and meat products, including poultry and game (08.0): 0.200001.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.200001.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0): 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.200001.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 1.000005.00000
Ready-to-eat savouries (15.0): 1.000005.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 0.200001.00000

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)
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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)
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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]
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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

Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):15986-80-8
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :85224
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-methyl-3-propylpyrazine
Chemidplus:0015986808