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HomeProduct name list2-Acetyl-3,5-dimethylpyrazine

2-Acetyl-3,5-dimethylpyrazine

  • CAS NO.:54300-08-2
  • Empirical Formula: C8H10N2O
  • Molecular Weight: 150.18
  • MDL number: MFCD00055023
  • EINECS: 259-076-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-24 19:19:26
2-Acetyl-3,5-dimethylpyrazine Structural

What is 2-Acetyl-3,5-dimethylpyrazine?

Chemical properties

It has an odor of roasted hazelnut with caramel popcorn nuances.

Occurrence

Reported found in coffee

Preparation

From the corresponding dimethyl-ethylpyrazine by bromination, followed by oxidation to the ketone

Definition

ChEBI: 2-Acetyl-3,5-dimethylpyrazine is an aromatic ketone.

Aroma threshold values

Detection at 1%: musty roasted cocoa, nutty peanut with caramel-like nuance.

Taste threshold values

Taste characteristics at 5 ppm: almond, caramel, cocoa, hazelnut, peanut, pistachio, toffee and coffeelike.

Properties of 2-Acetyl-3,5-dimethylpyrazine

Boiling point: 70 °C7 mm Hg(lit.)
Density  1.073 g/mL at 25 °C(lit.)
vapor pressure  3 mm Hg ( 20 °C)
refractive index  n20/D 1.517(lit.)
FEMA  3327 | 2-ACETYL-3,5(AND 6)-DIMETHYLPYRAZINE
Flash point: 195 °F
storage temp.  Sealed in dry,Room Temperature
form  clear liquid
pka 1.25±0.10(Predicted)
color  Colorless to Light orange to Yellow
Odor at 0.10 % in propylene glycol. nutty roasted hazelnut
JECFA Number 786
CAS DataBase Reference 54300-08-2(CAS DataBase Reference)
NIST Chemistry Reference Ethanone, 1-(3,5-dimethylpyrazinyl)-(54300-08-2)
EPA Substance Registry System Ethanone, 1-(3,5-dimethylpyrazinyl)- (54300-08-2)

Safety information for 2-Acetyl-3,5-dimethylpyrazine

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 2-Acetyl-3,5-dimethylpyrazine

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