Identification

Namebean pyrazine
IUPAC2-methoxy-3-propan-2-ylpyrazine
CAS Number25773-40-4
EINECS247-256-1
FDA UNII1FL7L111A6
Molecular FormulaC8 H12 N2 O
Molecular Weight152.19684000
MDL NumberMFCD00006135
Nikkaji NumberJ126.471K
CoE Number11344
XlogP32.00 (est)

Regulatory

DG SANTE Food Flavourings14.057 2-isopropyl-3-methoxypyrazine
FEMA Number3358
FDANo longer provide for the use of these seven synthetic flavoring substances

Physical Properties

Appearance colorless clear liquid (est)
Assay 97.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 0.99000 to 1.03000 @ 25.00 °C., 1.01000 to 1.01600 @ 25.00 °C.
Pounds per Gallon - (est). 8.238 to 8.571
Pounds per Gallon - est. 8.404 to 8.454
Refractive Index 1.48700 to 1.50000 @ 20.00 °C., 1.49200 to 1.49500 @ 20.00 °C.
Boiling Point 120.00 to 125.00 °C. @ 20.00 mm Hg, 189.00 to 190.00 °C. @ 760.00 mm Hg
Vapor Pressure 0.274000 mmHg @ 25.00 °C. (est)
Vapor Density 5.2 ( Air = 1 )
Flash Point 152.00 °F. TCC ( 66.67 °C. )
logP (o/w) 2.414 (est)
Soluble in alcohol

Cosmetic Information

CosIngcosmetic data
Cosmetic Usesperfuming agents

Organoleptic Properties

Odor Description
at 0.10 % in dipropylene glycol.
VEGETABLE, EARTHY, POTATO
String-bean, pea, earthy, chocolate, nutty

Safety Information

Preferred SDSView
European informationMost important hazard(s):
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryflavor and fragrance agents
RIFM Fragrance Material Safety AssessmentSearch
Recommendation for bean pyrazine usage levels up to0.1000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU)0.085 (μg/capita/day)
Threshold of Concern540 (μg/person/day)
Structure ClassII
baked goods-
beverages(nonalcoholic)-
beverages(alcoholic)-
breakfast cereal-
cheese-
chewing gum-
condiments / relishes-
confectionery froastings-
egg products-
fats / oils-
fish products-
frozen dairy-
fruit ices-
gelatins / puddings-
granulated sugar-
gravies-
hard candy-
imitation dairy-
instant coffee / tea-
jams / jellies-
meat products-
milk products-
nut products-
other grains-
poultry-
processed fruits-
processed vegetables-
reconstituted vegetables-
seasonings / flavors-
snack foods-
soft candy-
soups-
sugar substitutes-
sweet sauces-

Advanced Biotech. Inc.

Inspired by Nature

A diverse range of products, all meeting our stringent commitment to quality.

View All Website 973-339-6242 info@adv-bio.com

Augustus Oils Ltd

The Premier Supplier

Augustus Oils Ltd, in harmony with nature - to present it at its best...

View All Website +44 (0)1420 590555 essentials@augustus-oils.ltd.uk

Beijing Lys Chemicals Co, LTD.

From Grams to Tons

Fine chemical high-tech company which contains R&D, production, and sales.

View All Website 86-10-68418738 jiayanyong@lyschem.com

BOC Sciences

Best of Chemicals Supplier

Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecul...

View All Website 1-631-485-4226 account@bocsci.com

Endeavour Specialty Chemicals Ltd

Expertise in high impact aroma chemicals

Endeavour Speciality Chemicals offers high-impact aroma chemicals, at small to medium scale.

View All Website +44 (0)1327 310 079 enquiries@endeavourchem.co.uk

FRUTAROM USA INC,

Flavor & Specialty Ingredients

Your preferred partner for flavour and fragrance success.

View All Website +44 (0) 1429 863 222 Sales.IFFIngredients@iff.com

Indukern, S.A. F&F Ingredients Division

Commitment to quality

Idukern F&F Ingredients is your partner for the fragrance and flavor ingredients.

View All Website +34 93 506 91 00 info@indukern.es

Jiangyin Healthway International Trade Co., Ltd

Independent Ingredients Supplier

We provide custom synthesis and contract manufacturing from milligrams to metric tonnes.

View All Website 86-510-86023169 info@healthwaychem.com

Lluch Essence S.L.

A family company dedicated to sales and distribution

Flexibility, availability, price and quality.

View All Website 34 93 379 38 49 web@lluche.com

M&U International LLC

Steady supply & demand

Meeting customers increasing demands at home as well as abroad.

View All Website 908-359-9000 sales@mu-intel.com

O'Laughlin Industries Inc.

Manufacturer of chemicals and ingredients used in flavors, fragrances, food, beverages and cosmetics

Leading the Flavor and Fragrance Industry since 1980.

View All Website (973) 376-4600 olcorphk@hkstar.com

Pell Wall Perfumes

Hand-made fragrances

Pell Wall maintains a broad palette of ingredients & in order to keep stocks fresh & the options wide we also sell from our own stock.

View All Website +44 (0) 20 3745 0887 https://pellwall.com/contact-us/

Penta International Corporation

Chemistry innovation

At Penta, our products and services help businesses do business better.

View All Website (973) 740-2300 lisaa@pentamfg.com

Robinson Brothers Limited

Providing Excellence in Chemistry

Award-winning UK chemical manufacturer of chemical intermediates and high-impact aroma chemicals.

View All Website +44 (0)121 553 2451 enquiries@robinsonbrothers.co.uk

Sigma-Aldrich

Complete Supply Chain

The perfect blend of products and services that bring your creativity to life.

View All Website 800-244-1173 ff@sial.com

Sunaux International

Buy With Confidence

We have industry leading processes and procedures to ensure nothing but the most reliable product.

View All Website 0512-57995626 johnjft@sunaux.com

Synerzine, Inc.

Innovation. Customization. Aroma Ingredients.

Synerzine is a leading supplier of flavor and fragrance ingredients.

View All Website (404) 524-6744 info@synerzine.com

Taytonn ASCC Pte Ltd

Supplying Asia Pacific

We fully understand the demands of the F&F industry and we endeavour to supply quality products, with ready availability and a personalised service.

View All Website + 65 - 6861 8113 info@taytonnascc.com

TCI AMERICA

Moving Your Chemistry Forward

We continuously strive to advance our technology.

View All Website 1-800-423-8616 Sales-US@TCIchemicals.com;

Tianjin Danjun International Trade Co., LTD.

Quality Products

We know the Chinese chemical market well.

View All Website +86-15822601686 songshasha@danjunchem.com

R C Treatt and Co Ltd

Innovative ingredient solutions

World-leading innovative ingredient solutions provider for the flavour, fragrance and FMCG industries.

View All Website +1 863 668 9500 enquiries@treatt.com

Qingdao Free Trade Zone United International Co Ltd

Quality Products

A partner in your supply chain solution.

View All Website +86-532-83893699 info@unitedint.com

Ernesto Ventós S.A.

Leaders in essence

We employ our five senses to do our job well.

View All Website +1 856 226 7501 info@ventos.com

WholeChem, LLC

Connecting Innovators To the Building Blocks Of the Universe

Custom manufacturer and distributor of specialty ingredients. We make global local.

View All Website +1 (262) 995.8668 info@wholechem.com

Potential Uses

FR earth FR galbanum FL pepper bell pepper FL potato FL tomato FL vegetable

Natural Occurrence

coffee - up to 0.09 mg/kg PMC grapefruit juice hazelnut hyacinthus orientalis absolute @ trace% Data pea green pea PMC peas - 0.00001 mg/kg PMC pepper bell pepper fruit potato potato - up to 0.0001 mg/kg vegetables wine - up to 0.006 mg/kg

Synonyms

bean pyrazine 2- methoxy 3 isopropyl pyrazine 2- methoxy-3-(1-methyl ethyl) pyrazine 2- methoxy-3-(1-methylethyl)pyrazine 2- methoxy-3-(methylethyl)pyrazine 2- methoxy-3-(propan-2-yl)pyrazine 2- methoxy-3-isopropyl pyrazine 2- methoxy-3-isopropylpyrazine 2- methoxy-3-propan-2-ylpyrazine 3-iso propyl-2-methoxypyrazine 2-iso propyl-3-methoxypyrazine pyrazine, 2-isopropyl-3-methoxy- pyrazine, 2-methoxy-3-(1-methylethyl)- Info: FILBERTONE PubMed: Characterization of Atypical Off-Flavor Compounds in Natural Cork Stoppers by Multidimensional Gas Chromatographic Techniques. PubMed: Methoxypyrazine analysis and influence of viticultural and enological procedures on their levels in grapes, musts, and wines. PubMed: Thermodynamics of binding of 2-methoxy-3-isopropylpyrazine and 2-methoxy-3-isobutylpyrazine to the major urinary protein. PubMed: GCMS investigation of volatile compounds in green coffee affected by potato taste defect and the Antestia bug. PubMed: Comparison of odor-active compounds in grapes and wines from vitis vinifera and non-foxy American grape species. PubMed: Development of a mixed-mode solid phase extraction method and further gas chromatography mass spectrometry for the analysis of 3-alkyl-2-methoxypyrazines in wine. PubMed: Chemical characterization of commercial Sherry vinegar aroma by headspace solid-phase microextraction and gas chromatography-olfactometry. PubMed: Quantitation of key peanut aroma compounds in raw peanuts and pan-roasted peanut meal. Aroma reconstitution and comparison with commercial peanut products. PubMed: Volatile compounds produced in sterile fish muscle (Sebastes melanops) by Pseudomonas perolens. PubMed: Changes in the key odorants of Italian Hazelnuts ( Coryllus avellana L. Var. Tonda Romana) induced by roasting. PubMed: Survey of 3-alkyl-2-methoxypyrazine content of South African Sauvignon blanc wines using a novel LC-APCI-MS/MS method. PubMed: Effect of closure and packaging type on 3-alkyl-2-methoxypyrazines and other impact odorants of Riesling and Cabernet Franc wines. PubMed: Rapid measurement of 3-alkyl-2-methoxypyrazine content of winegrapes to predict levels in resultant wines. PubMed: Volatile components from the roots of Solanum pseudocapsicum. PubMed: Headspace solid-phase microextraction analysis of 3-alkyl-2-methoxypyrazines in wines. PubMed: Determination of 2-methoxy-3-alkylpyrazines in carrot products by gas chromatography/nitrogen-phosphorus detection. PubMed: Quantitative analysis of 3-alkyl-2-methoxypyrazines in juice and wine using stable isotope labelled internal standard assay. PubMed: Determination of 3-alkyl-2-methoxypyrazines in lady beetle-infested wine by solid-phase microextraction headspace sampling. PubMed: Changes in key odorants of raw coffee beans during storage under defined conditions. PubMed: Rapid headspace solid-phase microextraction/gas chromatographic/mass spectrometric assay for the quantitative determination of some of the main odorants causing off-flavours in wine. PubMed: Aroma composition of red wines by different extraction methods and Gas Chromatography-SIM/MASS spectrometry analysis. PubMed: Influence of vine training and sunlight exposure on the 3-alkyl-2-methoxypyrazines content in musts and wines from the Vitis vinifera variety cabernet sauvignon. PubMed: Flavoring components of raw monsooned arabica coffee and their changes during radiation processing. PubMed: Potent odorants of raw Arabica coffee. Their changes during roasting. PubMed: Pyrazines responsible for the potatolike odor produced by some serratia and cedecea strains.