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
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 | n |
| 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) |
 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
New Products
4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium THOMAIND PAPER PH 2.0 TO 4.5 1 BOX BUFFER CAPSULE PH 9.2 - 10 CAP SODIUM CHLORIDE 0.1N CVS ALLOXAN MONOHYDRATE 98% PLATINUM 0.5% ON 3 MM ALUMINA PELLETS (TYPE 73) LITHIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
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