CAS No.14667-55-1,Trimethyl-pyrazine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	14667-55-1
Name:	Trimethyl-pyrazine
Article Data:	23

Formula:	C₇H₁₀N₂
Molecular Weight:	122.17
Synonyms:	Pyrazine,trimethyl- (6CI,7CI,8CI,9CI);Trimethylpyrazine;2.3.5-trimethyl pyrazine;Trimethyl-pyrazine;
EINECS:	238-712-0
Density:	0.979 g/cm³
Melting Point:	156 °C
Boiling Point:	173.1 °C at 760 mmHg
Flash Point:	54.4 °C
Appearance:	clear yellow liquid
Hazard Symbols:	Xn
Risk Codes:	10-22-36/37/38
Safety:	16-26-36/37/39
Transport Information:	UN 1993 3/PG 3
PSA:	25.78000
LogP:	1.40180

Synthetic route

: 95-89-6
2,5-dimethyl-3-chloropyrazine

: 75-24-1
trimethylaluminum

: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; hexane for 2h; Heating;	64%

: 1147535-04-3
2,3-dimethyl-5-trifluoromethanesulfonyloxypyrazine

: 18815-74-2
zinc methyl bromide

: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 20℃; for 12h; Negishi coupling reaction; Inert atmosphere;	61%

: 1147535-04-3
2,3-dimethyl-5-trifluoromethanesulfonyloxypyrazine

: 544-97-8
dimethyl zinc(II)

: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 20℃; for 12h; Inert atmosphere;	38%

: 123-32-0
2,5-dimethyl-pyrazine

: 917-54-4
methyllithium

: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
With diethyl ether

: 88234-17-7
N-methyl-2,5-dimethylpyrazinium bromide

A: 1124-11-4
Tetramethylpyrazine

B: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
at 275 - 280℃;

: 89940-71-6
2,3,5-trimethylpiperazine

: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
With aluminum oxide; copper oxide-chromium oxide silicon dioxide aluminium oxide catalyst; water; silica gel at 375℃;

: 133129-02-9, 133129-06-3, 149470-70-2
C9H14N2O3

: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
In toluene at 300℃; Yield given;

: 54-17-1, 492-61-5, 492-62-6, 492-66-0, 530-25-6, 530-26-7, 530-27-8, 530-28-9, 552-76-1, 579-36-2, 643-69-6, 655-45-8, 2280-44-6, 3646-73-9, 7282-78-2, 7282-79-3, 7282-80-6, 7282-81-7, 7282-82-8, 7283-02-5, 7283-08-1, 7283-09-2, 7283-10-5, 7283-11-6, 7296-15-3, 7296-64-2, 7322-31-8, 10257-28-0, 12772-65-5, 12773-29-4, 12773-31-8, 12773-32-9, 12773-33-0, 12773-34-1, 19982-85-5, 28538-24-1, 32445-46-8, 32445-47-9, 32445-51-5, 32445-52-6, 34685-56-8, 34685-57-9, 35810-56-1, 39281-65-7, 39281-66-8, 39281-67-9, 39281-68-0, 39281-69-1, 39392-61-5, 39392-62-6, 39392-63-7, 39392-65-9, 39392-66-0, 39392-69-3, 40825-84-1, 40825-86-3, 40825-87-4, 40825-89-6, 42752-07-8, 42789-83-3, 46032-76-2, 54808-89-8, 66069-07-6, 120442-57-1, 120442-58-2, 120442-59-3, 120442-67-3, 131064-91-0, 131064-92-1, 131065-00-4, 131065-01-5, 131348-38-4
D-(+)-Glucose

A: 290-37-9
1,4-pyrazine

B: 109-08-0
2-Methylpyrazine

C: 123-32-0
2,5-dimethyl-pyrazine

D: 5910-89-4
2,3-dimethylpyrazine

E: 108-50-9
2,6-dimethylpyrazine

F: 14667-55-1
2,3,5-trimethylpyrazine

Conditions

Conditions	Yield
With ammonium hydroxide In glycerol for 9h; Product distribution; Heating; also with amino acids;

...Expand

: 78-96-6, 1674-56-2
3-amino-2-propanol

A: 290-37-9
1,4-pyrazine

B: 109-08-0
2-Methylpyrazine

C: 123-32-0
2,5-dimethyl-pyrazine

D: 13360-65-1
2-ethyl-3,6-dimethylpyrazine

E: 14667-55-1
2,3,5-trimethylpyrazine

F: 1-aminoethyl-2-methylaziridine

Conditions

Conditions	Yield
With copper chromite at 180℃; for 0.333333h; Product distribution; var. temp.; other aminoalcohols;

...Expand

: 59-51-8
DL-methionine

A: 290-37-9
1,4-pyrazine

B: 109-08-0
2-Methylpyrazine

C: 123-32-0
2,5-dimethyl-pyrazine

D: 13532-18-8
methyl 3-(methylthio)propionate

E: 14667-55-1
2,3,5-trimethylpyrazine

F: 1-<3-(methylthio)propyl>-2-formylpyrrole

Conditions

Conditions	Yield
With alpha-D-glucopyranose In water at 180℃; for 1h; Product distribution; also with methionine sulfoxide and without glucose;

...Expand

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Chemistry

Molecular Structure of 2,3,5-Trimethylpyrazine (CAS NO.14667-55-1):

IUPAC Name: 2,3,5-Trimethylpyrazine
Molecular Formula: C₇H₁₀N₂
Molecular Weight: 122.17
EINECS: 238-712-0
FEMA: 3244
XLogP3: 1
H-Bond Donor: 0
H-Bond Acceptor: 2
Index of Refraction: 1.503
Molar Refractivity: 36.91 cm³
Molar Volume: 124.7 cm³
Surface Tension: 37.4 dyne/cm
Density: 0.979 g/cm³
Flash Point: 54.4 °C
Enthalpy of Vaporization: 39.26 kJ/mol
Boiling Point: 173.1 °C at 760 mmHg
Vapour Pressure: 1.72 mmHg at 25 °C
Appearance: Clear yellow liquid
storage temp.: Flammables area
Canonical SMILES: CC1=CN=C(C(=N1)C)C
InChI: InChI=1S/C7H10N2/c1-5-4-8-6(2)7(3)9-5/h4H,1-3H3
InChIKey: IAEGWXHKWJGQAZ-UHFFFAOYSA-N
Product Categories: Pyrazines; Heterocyclic Compounds; Mono- & Polyalkylpyrazines; pyrazine Flavor; Building Blocks; Heterocyclic Building Blocks; Alphabetical Listings; Flavors and Fragrances; Q-Z; Pyrazine compounds

Uses

2,3,5-Trimethylpyrazine (CAS NO.14667-55-1) is temporarily allowed in the use of food spices mainly for the preparation of flavor in the cocoa, chocolate and fried nuts.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. Combustible liquid. When heated to decomposition emits toxic fumes of NO_x.
Safety Information of 2,3,5-Trimethylpyrazine (CAS NO.14667-55-1):
Hazard Codes: Harmful Xn
Risk Statements: 10-22-36/37/38
R10:Flammable.
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26-36/37/39
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
RTECS: UQ3907000
HazardClass: 3
PackingGroup: III

Specification

2,3,5-Trimethylpyrazine (CAS NO.14667-55-1), its Synonyms are 2,3,5-Trimethyl pyrazine ; 2,3,5-Trimethyl pyrazine (natural) ; Pyrazine, trimethyl- ; Trimethylpyrazine ; Pyrazine, 2,3,5-trimethyl- ; Pyrazine,trimethyl- (6CI,7CI,8CI,9CI) .