Molecular formula
C8H11N2O+

SMILES
CC1=C[N+](=CC(=N1)C)C(=O)C

Fragrance
Roasted	72.24%
Nutty	69.86%
Hazelnut	52.24%
Popcorn	50.83%
Burnt	45.19%
Earthy	41.35%
Coffee	40.79%
Musty	40.72%
Cocoa	38.4%
Meaty	38.19%

 

Flavor
Nutty	38.08%
Cocoa	32.87%
Roasted	32.02%
Musty	31.99%
Woody	29.33%
Burnt	28.83%
Sweet	28.66%
Popcorn	27.55%
Phenolic	25.52%
Powdery	25.09%

 

Odor impact est.
High

XLogP3-AA
0.6

pKa est.
5.7 (weak acid)

Molecular weight
151.19 g/mol

Flash point

• 98.62 ˚C est.

Solubility expt.

• soluble in water, organic solvents, oils
• miscible at room temperature (in ethanol)

• EINECS 276-848-2
• UNII-O16657H2TP
• O16657H2TP
• Ethanone, 1-(3,?-dimethylpyrazinyl)-
• 2-Acetyl-3,(5 or 6)-dimethylpyrazine
• Ethanone, 1-(3,?-dimethyl-2-pyrazinyl)-
• SCHEMBL3508538

2-Acetyl-3,(5 or 6)-dimethylpyrazine is primarily used as an aroma and flavor agent, commonly evaluated in fragrance and flavor applications to impart roasted, nutty, or coffee-like notes; it is also used as a component in cosmetics and personal care products as an aroma ingredient, and may serve as an intermediate in organic synthesis for the preparation of other pyrazine derivatives; additionally, in some industrial formulations it can act as an odorant or aroma booster for household products or coatings, subject to local regulations and formulation limits.

gpt-5-nano

Solvent	Solubility (g/L)
ethanol	180.35
methanol	351.68
isopropanol	126.49
water	30.82
ethyl acetate	100.78
n-propanol	150.29
acetone	118.47
n-butanol	129.17
acetonitrile	89.57
DMF	330.56
toluene	56.06
isobutanol	115.51
1,4-dioxane	177.58
methyl acetate	111.94
THF	186.75
2-butanone	117.86
n-pentanol	80.25
sec-butanol	125.73
n-hexane	10.73
ethylene glycol	125.64
NMP	287.49
cyclohexane	7.8
DMSO	272.82
n-butyl acetate	59.17
n-octanol	48.86
chloroform	226.44
n-propyl acetate	41.84
acetic acid	101.27
dichloromethane	264.14
cyclohexanone	139.55
propylene glycol	108.12
isopropyl acetate	53.35
DMAc	374.86
2-ethoxyethanol	142.4
isopentanol	96.66
n-heptane	7.67
ethyl formate	112.17
1,2-dichloroethane	134.11
n-hexanol	86.24
2-methoxyethanol	311.63
isobutyl acetate	32.87
tetrachloromethane	42.31
n-pentyl acetate	46.89
transcutol	152.32
n-heptanol	44.19
ethylbenzene	33.19
MIBK	58.42
2-propoxyethanol	173.79
tert-butanol	116.88
MTBE	94.27
2-butoxyethanol	83.69
propionic acid	99.07
o-xylene	48.34
formic acid	134.87
diethyl ether	83.26
m-xylene	47.08
p-xylene	44.25
chlorobenzene	76.71
dimethyl carbonate	57.37
n-octane	4.56
formamide	101.65
cyclopentanone	162.29
2-pentanone	87.62
anisole	72.69
cyclopentyl methyl ether	99.79
gamma-butyrolactone	190.06
1-methoxy-2-propanol	194.92
pyridine	111.91
3-pentanone	76.95
furfural	238.32
n-dodecane	4.67
diethylene glycol	175.45
diisopropyl ether	24.6
tert-amyl alcohol	113.93
acetylacetone	98.35
n-hexadecane	5.19
acetophenone	69.27
methyl propionate	102.34
isopentyl acetate	57.11
trichloroethylene	207.89
n-nonanol	40.26
cyclohexanol	89.0
benzyl alcohol	76.89
2-ethylhexanol	49.32
isooctanol	36.91
dipropyl ether	38.39
1,2-dichlorobenzene	81.83
ethyl lactate	50.4
propylene carbonate	115.54
n-methylformamide	175.06
2-pentanol	71.27
n-pentane	10.34
1-propoxy-2-propanol	96.61
1-methoxy-2-propyl acetate	75.46
2-(2-methoxypropoxy) propanol	72.07
mesitylene	29.09
ε-caprolactone	137.97
p-cymene	28.7
epichlorohydrin	209.91
1,1,1-trichloroethane	97.88
2-aminoethanol	161.61
morpholine-4-carbaldehyde	274.77
sulfolane	233.55
2,2,4-trimethylpentane	8.93
2-methyltetrahydrofuran	148.3
n-hexyl acetate	66.24
isooctane	5.25
2-(2-butoxyethoxy)ethanol	82.38
sec-butyl acetate	33.66
tert-butyl acetate	52.43
decalin	10.11
glycerin	174.95
diglyme	146.42
acrylic acid	93.68
isopropyl myristate	25.6
n-butyric acid	114.28
acetyl acetate	59.7
di(2-ethylhexyl) phthalate	38.85
ethyl propionate	51.65
nitromethane	157.52
1,2-diethoxyethane	60.23
benzonitrile	88.9
trioctyl phosphate	27.14
1-bromopropane	87.49
gamma-valerolactone	232.16
n-decanol	30.24
triethyl phosphate	35.32
4-methyl-2-pentanol	40.91
propionitrile	93.87
vinylene carbonate	126.47
1,1,2-trichlorotrifluoroethane	181.3
DMS	66.77
cumene	28.08
2-octanol	34.32
2-hexanone	51.77
octyl acetate	35.85
limonene	36.84
1,2-dimethoxyethane	182.61
ethyl orthosilicate	34.52
tributyl phosphate	30.91
diacetone alcohol	83.52
N,N-dimethylaniline	61.18
acrylonitrile	116.9
aniline	82.57
1,3-propanediol	174.02
bromobenzene	72.82
dibromomethane	164.59
1,1,2,2-tetrachloroethane	174.43
2-methyl-cyclohexyl acetate	44.4
tetrabutyl urea	42.85
diisobutyl methanol	28.16
2-phenylethanol	71.87
styrene	35.99
dioctyl adipate	36.85
dimethyl sulfate	109.71
ethyl butyrate	43.5
methyl lactate	84.97
butyl lactate	48.48
diethyl carbonate	36.34
propanediol butyl ether	81.53
triethyl orthoformate	38.1
p-tert-butyltoluene	28.22
methyl 4-tert-butylbenzoate	66.18
morpholine	181.37
tert-butylamine	72.82
n-dodecanol	23.24
dimethoxymethane	171.02
ethylene carbonate	100.08
cyrene	88.17
2-ethoxyethyl acetate	63.37
2-ethylhexyl acetate	46.77
1,2,4-trichlorobenzene	95.66
4-methylpyridine	138.72
dibutyl ether	36.86
2,6-dimethyl-4-heptanol	28.16
DEF	144.3
dimethyl isosorbide	111.9
tetrachloroethylene	120.88
eugenol	74.48
triacetin	53.07
span 80	56.73
1,4-butanediol	82.54
1,1-dichloroethane	122.2
2-methyl-1-pentanol	74.37
methyl formate	147.17
2-methyl-1-butanol	111.28
n-decane	7.24
butyronitrile	97.66
3,7-dimethyl-1-octanol	44.75
1-chlorooctane	27.46
1-chlorotetradecane	12.5
n-nonane	7.21
undecane	5.67
tert-butylcyclohexane	10.79
cyclooctane	3.9
cyclopentanol	105.25
tetrahydropyran	108.89
tert-amyl methyl ether	84.94
2,5,8-trioxanonane	103.44
1-hexene	31.65
2-isopropoxyethanol	83.93
2,2,2-trifluoroethanol	74.77
methyl butyrate	67.62

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