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popcorn pyrimidine

Chemical Structure

General Material Information

Preferred name popcorn pyrimidine
Trivial Name 2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Short Description 5,7-dihydro-2-methylthieno(3,4-d)pyrimidine
Formula C7 H8 N2 S
CAS Number 36267-71-7
FEMA Number 3338
Flavis Number 14.014
ECHA Number 252-940-8
FDA UNII 56X379115Y
Nikkaji Number J319.618F
MDL MFCD00038619
COE Number 720
xLogP3-AA 0.70 (est)
NMR Predictor External link
JECFA Food Flavoring 1566 5,7-dihydro-2-methylthieno(3,4-d)pyrimidine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 36267-71-7 ; 5,7-DIHYDRO-2-METHYLTHIENO(3,4-D)PYRIMIDINE
Synonyms
  • 5,7-dihydro-2-methyl thieno(3,4-d)pyrimidine
  • 5,7-dihydro-2-methyl thieno(3,4-d)pyrimidine synthetic
  • 5,7-dihydro-2-methylthieno (3,4-d) pyrimidine
  • 5,7-dihydro-2-methylthieno(3,4-d) pyrimidine
  • 5,7-dihydro-2-methylthieno(3,4-d)pyrimidine
  • 5,7-dihydro-2-methylthieno[3,4-d]pyrimidine
  • 2-methyl-5,7-dihydrothieno(3,4-d)pyrimidine
  • 2-methyl-5,7-dihydrothieno[3,4-d]pyrimidine
  • 2-methyl-5,7-dihydrothiopheno[3,4-d]pyrimidine
  • pop-corn pyrimidine
  • pop-corn pyrimidine synthetic
  • popcorn aroma
  • popcorn chemical (IFF)
  • thieno(3,4-d)pyrimidine, 5,7-dihydro-2-methyl-
  • thieno[3,4-d]pyrimidine, 5,7-dihydro-2-methyl-
  • 2-methyl-5,7-dihydrothieno[3,4-d]pyrimidine
  • 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
  • 2-Methyl-5H,7H-thieno[3,4-d]pyrimidine

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

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Literature & References

2-methyl-5,7-dihydrothieno[3,4-d]pyrimidine
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:36267-71-7
Pubchem (cid):61951
Pubchem (sid):135260290
Publications by Info
miscellaneous nitrogen derivatives
Publications by Perfumer & Flavorist
5.7-Dihydro-2-methylthieno (3,4-d) Pyrimidine
Organoleptic Characteristics of Flavor Materials
Publications by US Patents
3,960,860 - 2-Methyl-5,7-dihydrothieno-[3,4d]-pyrimidine

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):HMDB41565
FooDB:FDB021555
Export Tariff Code:2933.59.9550
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 152.21975708008
Melting Point 62 to 63°C @ 760 mm Hg
Boiling Point 280 to 281°C @ 760 mm Hg
Vapor Pressure 0.006 mmHg @ 25 °C
Flash Point TCC Value 100 °C TCC
logP (o/w) 2.812 est
Shelf life 12 months (or longer if stored properly.)
Storage notes Refrigerate in tightly sealed containers.
Solubility
alcohol Yes
water, very slightly Yes
water, 9134 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Corn chip
corn chip, taco, popcorn, toasted, roasted, corn, nutty
General comment At 0.10 % in dipropylene glycol. corn chip taco popcorn toasted roasted
Mosciano, Gerard P&F 21, No. 3, 51, (1996) Corn, taco, nutty, popcorn, roasted and toasted nuances
Flavor Type: Corn chip
corn, taco, nutty, popcorn, corn chip, roasted
Mosciano, Gerard P&F 21, No. 3, 51, (1996) At 5.00 ppm. Corn, taco, nutty, popcorn and corn chip with roasted nuances

Occurrences

Potential Uses

Applications
Odor purposes Butter, Popcorn
Flavoring purposes Caramel, Corn, Nut, Savory, Taco

Safety Information

Safety information

Preferred SDS: View
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 popcorn pyrimidine usage levels up to:
0.0500 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.40 (μg/capita/day)
Threshold of Concern:90 (μg/person/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: 6
Click here to view publication 6
average usual ppmaverage maximum ppm
baked goods: -1.00000
beverages(nonalcoholic): -1.00000
beverages(alcoholic): --
breakfast cereal: -1.00000
cheese: --
chewing gum: -1.00000
condiments / relishes: -1.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -1.00000
fruit ices: -1.00000
gelatins / puddings: -1.00000
granulated sugar: --
gravies: -1.00000
hard candy: -1.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -1.00000
milk products: -1.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -1.00000
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):

Flavouring Group Evaluation 85: Consideration of miscellaneous nitrogen-containing substances evaluated by JECFA (65th meeting)[1] - Scientific Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 96 (FGE.96): Consideration of 88 flavouring substances considered by EFSA for which EU production volumes / anticipated production volumes have been submitted on request by DG SANCO. Addendum to FGE. 51, 52, 53, 54, 56, 58, 61, 62, 63, 64, 68, 69, 70, 71, 73, 76, 77, 79, 80, 83, 84, 85 and 87.
View page or View pdf

EPI System: View
EPA Substance Registry Services (TSCA):36267-71-7
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :61951
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Chemidplus:0036267717