W327204
2,5-Dimethylpyrazine
≥98%, FG
Synonym(s):
Ketine
About This Item
Fragrance grade
Halal
Kosher
Recommended Products
biological source
synthetic
Quality Level
grade
FG
Fragrance grade
Halal
Kosher
agency
follows IFRA guidelines
reg. compliance
EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
assay
≥98%
refractive index
n20/D 1.502 (lit.)
bp
155 °C (lit.)
density
0.99 g/mL at 25 °C (lit.)
application(s)
flavors and fragrances
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Related Categories
1 of 4
This Item | W314900 | W330906 | W327301 |
---|---|---|---|
grade FG, Halal, Fragrance grade, Kosher | grade FG, Fragrance grade, Halal, Kosher | grade FG, Fragrance grade, Halal, Kosher | grade FG, Fragrance grade, Halal, Kosher |
organoleptic cocoa; nutty; woody; earthy | organoleptic chocolate; hazelnut; nutty; peanut; roasted | organoleptic musty; nutty; peanut | organoleptic coffee; meaty; nutty; roasted |
biological source synthetic | biological source synthetic | biological source synthetic | biological source synthetic |
food allergen no known allergens | food allergen no known allergens | food allergen no known allergens | food allergen no known allergens |
documentation see Safety & Documentation for available documents | documentation see Safety & Documentation for available documents | documentation see Safety & Documentation for available documents | documentation see Safety & Documentation for available documents |
agency follows IFRA guidelines | agency follows IFRA guidelines | agency follows IFRA guidelines, meets purity specifications of JECFA | agency follows IFRA guidelines |
General description
Application
- Engineering Escherichia coli for high-yielding 2,5-Dimethylpyrazine synthesis from L-Threonine by reconstructing metabolic pathways and enhancing cofactors regeneration.: This study details the genetic engineering of *E. coli* to enhance the production of 2,5-Dimethylpyrazine from L-Threonine. By reconstructing metabolic pathways and improving cofactor regeneration, the researchers achieved higher yields, presenting a significant advancement for industrial bioproduction of this compound (Liu et al., 2024).
- Pyrazines Biosynthesis by Bacillus Strains Isolated from Natto Fermented Soybean.: This research explores the natural biosynthesis of pyrazines, including 2,5-Dimethylpyrazine, by *Bacillus* strains isolated from natto. The findings contribute to understanding the microbial production of flavor compounds and their potential applications in food biotechnology (Klosowski et al., 2021).
Other Notes
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
10 - Combustible liquids
wgk_germany
WGK 3
flash_point_f
147.2 °F - closed cup
flash_point_c
64 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Protocols
Separation of 2-Ethyl-3-methylpyrazine; 1-Methylpyrrole; 2,3-Dimethylpyrazine; 2,5-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Diethylpyrazine; 2-Methylpyrazine; Carbon disulfide; Dimethyl disulfide; 2,6-Dimethylpyrazine
-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde
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