ChemicalBook > CAS DataBase List > 2-Ethyl-3-methylpyrazine

2-Ethyl-3-methylpyrazine

Product Name
2-Ethyl-3-methylpyrazine
CAS No.
15707-23-0
Chemical Name
2-Ethyl-3-methylpyrazine
Synonyms
Pyrazine, 2-ethyl-3-methyl-;3-METHYL-2-ETHYLPYRAZINE;FEMA 3155;FEMA NUMBER 3155;filbert pyrazine;Ethyl-3-Methylpyraz;2-Ethyl-3-Methylpyra;3-ETHYL-2-METHYLPYRAZINE;2-METHYL-3-ETHYLPYRAZINE;2-ETHYL-3-METHYLPYRAZINE
CBNumber
CB6170305
Molecular Formula
C7H10N2
Formula Weight
122.17
MOL File
15707-23-0.mol
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2-Ethyl-3-methylpyrazine Property

Boiling point:
57 °C10 mm Hg(lit.)
Density 
0.987 g/mL at 25 °C
vapor pressure 
1.74hPa at 20℃
FEMA 
3155 | 2-ETHYL-3-METHYLPYRAZINE
refractive index 
n20/D 1.503(lit.)
Flash point:
138 °F
storage temp. 
Sealed in dry,Room Temperature
solubility 
sparingly soluble
pka
1.94±0.10(Predicted)
Specific Gravity
0.987
color 
Colorless to Light yellow
Odor
at 0.10 % in dipropylene glycol. nutty peanut musty corn raw earthy bread
Odor Type
nutty
Water Solubility 
sparingly soluble
JECFA Number
768
BRN 
956775
LogP
1.42 at 25℃
CAS DataBase Reference
15707-23-0(CAS DataBase Reference)
NIST Chemistry Reference
Pyrazine, 2-ethyl-3-methyl-(15707-23-0)
EPA Substance Registry System
Pyrazine, 2-ethyl-3-methyl- (15707-23-0)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
22-36/37/38
Safety Statements 
26-24/25
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
RTECS 
UQ3335000
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W315508
Product name
2-Ethyl-3-methylpyrazine
Purity
≥98%, FCC, FG
Packaging
sample-k
Price
$54.6
Updated
2024/03/01
Sigma-Aldrich
Product number
W315508
Product name
2-Ethyl-3-methylpyrazine
Purity
≥98%, FCC, FG
Packaging
100g
Price
$199
Updated
2024/03/01
Sigma-Aldrich
Product number
W315508
Product name
2-Ethyl-3-methylpyrazine
Purity
≥98%, FCC, FG
Packaging
1kg
Price
$600
Updated
2024/03/01
Sigma-Aldrich
Product number
W315508
Product name
2-Ethyl-3-methylpyrazine
Purity
≥98%, FCC, FG
Packaging
5kg
Price
$2400
Updated
2024/03/01
TCI Chemical
Product number
E0361
Product name
2-Ethyl-3-methylpyrazine
Purity
>98.0%(GC)(T)
Packaging
5mL
Price
$21
Updated
2024/03/01
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2-Ethyl-3-methylpyrazine Chemical Properties,Usage,Production

Chemical Properties

clear colorless to slightly yellow liquid

Chemical Properties

2-Ethyl-3-methylpyrazine has a strong, raw-potato, roasted, earthy odor.

Occurrence

Reported found in bakery products, roasted barley, coffee, peanuts, filberts, potato products, soy products, roasted and fried chicken, beef, pork, beer, rum, cocoa, coffee, tea, malt, shrimp and crayfish.

Uses

2-Ethyl-3-methylpyrazine is used in preparation of Chinese chestnut pyrolyzate and their application to e-cigarette.

Uses

Food additive.

Definition

ChEBI: 2-Ethyl-3-methylpyrazine, 9CI is a member of pyrazines.

Preparation

By condensation of ethylenediamine with 2,3-pentanedione.

Aroma threshold values

Detection: 2 ppm (130 ppb in water)

Taste threshold values

Taste characteristics at 10 ppm: nutty, peanut, musty corn-like with raw and oily nuances.

Hazard

Moderately toxic by ingestion.

Flammability and Explosibility

Not classified

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.

2-Ethyl-3-methylpyrazine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2-Ethyl-3-methylpyrazine manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
2-Ethyl-3-methylpyrazine 15707-23-0
Price
US $100.00-30.00/kg
Min. Order
1kg
Purity
99.93%
Supply Ability
1000kg per week
Release date
2024-04-22
Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
2-Ethyl-3-methylpyrazine 15707-23-0
Price
US $3.00/kg
Min. Order
1kg
Purity
99.92%
Supply Ability
50000tons
Release date
2024-04-22
Henan Fengda Chemical Co., Ltd
Product
2-Ethyl-3-methylpyrazine 15707-23-0
Price
US $31.00-1.20/kg
Min. Order
1kg
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-03-22

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