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67952-65-2

67952-65-2 Structure

67952-65-2 Structure
IdentificationMore
[Name]

2-METHYLTHIO-3,5-METHYLPYRAZINE
[CAS]

67952-65-2
[Synonyms]

2-METHYLTHIO-3,5-METHYLPYRAZINE
FEMA 3208
methyl(methylthio)-pyrazin
2-Methylthio-3(6)-methyl-pyrazine
(METHYLTHIO)METHYLPYRAZINE 98+% MIXTU&
Pyrazine, methyl(methylthio)-
2-Methyl-3(or5or6)-methylthiopyrazine
Methyl-(methylthio)-pyrazine, isomer mixture
[EINECS(EC#)]

267-918-3
[Molecular Formula]

C7H10N2S
[MDL Number]

MFCD00016740
[Molecular Weight]

154.23
[MOL File]

67952-65-2.mol
Chemical PropertiesBack Directory
[density ]

1.145 g/mL at 25 °C(lit.)
[FEMA ]

3208
[refractive index ]

n20/D 1.583(lit.)
[Fp ]

193 °F
[Odor]

at 0.10 % in dipropylene glycol. nutty earthy peanut musty coffee vegetable
[Odor Type]

nutty
[JECFA Number]

797
[InChIKey]

WVLCKAWPCLTOOS-UHFFFAOYSA-N
[LogP]

0.06
[CAS DataBase Reference]

67952-65-2(CAS DataBase Reference)
[EPA Substance Registry System]

Pyrazine, methyl(methylthio)- (67952-65-2)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

S-METHYL-S-(2-METHYLPYRAZINYL) SULFOXIMINE
Hazard InformationBack Directory
[Description]

2-Methyl-(3 or 5 or 6)-(methylthio)pyrazine (mixture of isomers) is like roasted almonds, hazelnuts. This may be prepared from 2-methylchloropyrazine; a mixture of 2-methyl-3-methylthiopyrazine, 2-methyl-5-methylthiopyrazine, and 2-methyl-6-methylthiopyrazine is obtained.
[Chemical Properties]

2-Methyl-3(or 5 or 6)-methylthiopyrazine has a roasted almond, hazelnut and vegetable aroma.
[Preparation]

From 2-methylchloropyrazine; a mixture of 2-methyl-3-methylthiopyrazine, 2-methyl-5-methylthiopyrazine, and 2-methyl-6-methylthiopyrazine is obtained.
[Aroma threshold values]

Detection: 4 to 60 ppb. Aroma characteristics at 1.0%: toasted popcorn, roasted almond, hazelnut, peanut and cashewnutty, with a caramellic and corn-chip nuance.
[Taste threshold values]

Taste characteristics at 3 to 10 ppm: nutty, roasted and earthy with coffee and corn nuances, peanut and pecan nutty, popcorn and corn chip–like with a burnt musty nuance.
Spectrum DetailBack Directory
[Spectrum Detail]

2-METHYLTHIO-3,5-METHYLPYRAZINE(67952-65-2)1HNMR
2-METHYLTHIO-3,5-METHYLPYRAZINE(67952-65-2)IR
2-METHYLTHIO-3,5-METHYLPYRAZINE(67952-65-2)FT-IR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

67952-65-2(sigmaaldrich)
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