Product Name

  • Name

    2-Isopropyl-3-methoxypyrazine

  • EINECS 247-256-1
  • CAS No. 25773-40-4
  • Article Data6
  • CAS DataBase
  • Density 1.014 g/cm3
  • Solubility
  • Melting Point
  • Formula C8H12N2O
  • Boiling Point 210.8 °C at 760 mmHg
  • Molecular Weight 152.196
  • Flash Point 66.7 °C
  • Transport Information
  • Appearance colorless clear liquid
  • Safety 26-36/37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 25773-40-4 (2-Isopropyl-3-methoxypyrazine)
  • Hazard Symbols IrritantXi
  • Synonyms Pyrazine,2-isopropyl-3-methoxy- (8CI);2-Isopropyl-3-methoxypyrazine;2-Methoxy-3-(1-methylethyl)pyrazine;2-Methoxy-3-isopropylpyrazine;3-Isopropyl-2-methoxypyrazine;3-Methoxy-2-isopropylpyrazine;
  • PSA 35.01000
  • LogP 1.60860

Synthetic route

2-hydroxy-3-isopropyl-pyrazine
25680-59-5

2-hydroxy-3-isopropyl-pyrazine

methyl iodide
74-88-4

methyl iodide

2-Isopropyl-3-methoxypyrazine
25773-40-4

2-Isopropyl-3-methoxypyrazine

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 20℃; for 48h;89%
2-amino-3-methylbutanamide hydrochloride
93169-29-0

2-amino-3-methylbutanamide hydrochloride

2-Isopropyl-3-methoxypyrazine
25773-40-4

2-Isopropyl-3-methoxypyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / NaOH / methanol; H2O / -35 - 20 °C
2: 89 percent / NaH / tetrahydrofuran / 48 h / 20 °C
View Scheme
methanol
67-56-1

methanol

2-chloro-3-isopropyl-pyrazine
57674-20-1

2-chloro-3-isopropyl-pyrazine

2-Isopropyl-3-methoxypyrazine
25773-40-4

2-Isopropyl-3-methoxypyrazine

Conditions
ConditionsYield
With sodium acetate
2-hydroxy-3-isopropyl-pyrazine
25680-59-5

2-hydroxy-3-isopropyl-pyrazine

2-Isopropyl-3-methoxypyrazine
25773-40-4

2-Isopropyl-3-methoxypyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: trichlorophosphate
2: sodium acetate
View Scheme
2-Isopropyl-3-methoxypyrazine
25773-40-4

2-Isopropyl-3-methoxypyrazine

A

C8H10N2O2

C8H10N2O2

B

C8H12N2O2

C8H12N2O2

C

C9H14N2O2

C9H14N2O2

D

C8H12N2O3

C8H12N2O3

E

C8H12N2O4

C8H12N2O4

F

C9H14N2O4

C9H14N2O4

G

2-hydroxy-3-isopropyl-pyrazine
25680-59-5

2-hydroxy-3-isopropyl-pyrazine

H

2-(1-hydroxy-1-methylethyl)-3-methoxypyrazine
38346-80-4

2-(1-hydroxy-1-methylethyl)-3-methoxypyrazine

Conditions
ConditionsYield
With titanium(IV) oxide In water for 0.5h; Kinetics; Catalytic behavior; Irradiation;
trifluoromethane sulfonyl chloride
421-83-0

trifluoromethane sulfonyl chloride

2-Isopropyl-3-methoxypyrazine
25773-40-4

2-Isopropyl-3-methoxypyrazine

C9H11F3N2O

C9H11F3N2O

Conditions
ConditionsYield
With dipotassium hydrogenphosphate; C46H91N3O4 In acetonitrile at 25℃; for 24h; UV-irradiation;8 %Spectr.

2-Isopropyl-3-methoxypyrazine Chemical Properties

Molecular Structure of Pyrazine,2-methoxy-3-(1-methylethyl)- (CAS No.25773-40-4):

Molecular Formula: C8H12N2
Molecular Weight: 152.1937
IUPAC Name: 2-Methoxy-3-propan-2-ylpyrazine 
CAS No: 25773-40-4
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 35.01 Å2
Index of Refraction: 1.489
Molar Refractivity: 43.29 cm3
Molar Volume: 149.9 cm3
Surface Tension: 35.9 dyne/cm
Density: 1.014 g/cm3
Flash Point: 66.7 °C
Enthalpy of Vaporization: 42.88 kJ/mol
Boiling Point: 210.8 °C at 760 mmHg
Vapour Pressure: 0.274 mmHg at 25°C
InChI: InChI=1/C8H12N2O /c1-6(2)7-8(11-3)10-5-4-9-7/h4-6H,1-3H3
InChIKey: NTOPKICPEQUPPH-UHFFFAOYAE
Std. InChI: InChI=1S/C8H12N2O /c1-6(2)7-8(11-3)10-5-4-9-7/h4-6H,1-3H3
Std. InChIKey: NTOPKICPEQUPPH-UHFFFAOYSA-N
Synonyms of Pyrazine,2-methoxy-3-(1-methylethyl)- (CAS No.25773-40-4): 2-Methoxy-3-(1-methylethyl)-pyrazin ; 3-Isopropyl-2-methoxypyrazine ; Pyrazine, 2-methoxy-3-(1-methylethyl)- ; 2-Methoxy-3-isopropylpyrazine ; 2-Methoxy-3,5,6-isopropyl pyrazine ; 2-Methoxy-3-(1-methylethyl)pyrazine 
Product Categories: Pyrazines;Pyrazine;Heterocyclic Compounds;Alkoxypyrazines;Mono- Polyalkylpyrazines;Building Blocks;Heterocyclic Building Blocks;500 Series Drinking Water Methods;Chromatography;Drinking WaterEPA;Environmental Standards;Odor Standards

2-Isopropyl-3-methoxypyrazine Safety Profile

Hazard Codes:IrritantXi,ToxicT,FlammableF
Risk Statements:36/37/38-39/23/24/25-23/24/25-11
R36/37/38:Irritating to eyes, respiratory system and skin. 
R39:Danger of very serious irreversible effects.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R11:Highly flammable.
Safety Statements: 26-36/37/39-24/25-45-36/37-16
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. 
S24/25:Avoid contact with skin and eyes. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37:Wear suitable protective clothing and gloves. 
S16:Keep away from sources of ignition.
RIDADR UN:1230 3/PG 2
WGK Germany:3

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