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2-METHYLTHIO-3,5-METHYLPYRAZINE

2-METHYLTHIO-3,5-METHYLPYRAZINE ??? ???
?? ??:
67952-65-2
???:
2-METHYLTHIO-3,5-METHYLPYRAZINE
???(??):
FEMA 3208;somer mixture;methyl(methylthio)-pyrazin;Pyrazine, methyl(methylthio)-;2-METHYLTHIO-3,5-METHYLPYRAZINE;2-Methylthio-3(6)-methyl-pyrazine;3,5-Dimethyl-2-(methylthio)pyrazine;2-Methyl-3(or5or6)-methylthiopyrazine;(METHYLTHIO)METHYLPYRAZINE 98+% MIXTU&;2-Methylthio-3 (or 5 or 6)-Methylpyrazine
CBNumber:
CB3289778
???:
C7H10N2S
??? ??:
154.23
MOL ??:
67952-65-2.mol
MSDS ??:
SDS

2-METHYLTHIO-3,5-METHYLPYRAZINE ??

??
1.145 g/mL at 25 °C(lit.)
FEMA
3208 | (METHYLTHIO)METHYLPYRAZINE (MIXTURE OF ISOMERS)
???
n20/D 1.583(lit.)
???
193 °F
??
????? ??? ? 0.10%. ??? ?? ?? ??? ?? ?? ??
?? ??
???
???? ??
synthetic
JECFA Number
797
?? ??
?? ? ?
InChI
1S/2C6H8N2S/c1-5-3-8-6(9-2)4-7-5;1-5-6(9-2)8-4-3-7-5/h2*3-4H,1-2H3
InChIKey
WVLCKAWPCLTOOS-UHFFFAOYSA-N
SMILES
CSc1cnc(C)cn1.CSc2nccnc2C
LogP
0.06
CAS ??????
67952-65-2(CAS DataBase Reference)
EPA
Pyrazine, methyl(methylthio)- (67952-65-2)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
WGK ?? 3
TSCA TSCA listed
???? ??? 10 - Combustible liquids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

2-METHYLTHIO-3,5-METHYLPYRAZINE C??? ??, ??, ??

??

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.

??? ??

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

?? ??

From 2-methylchloropyrazine; a mixture of 2-methyl-3-methylthiopyrazine, 2-methyl-5-methylthiopyrazine, and 2-methyl-6-methylthiopyrazine is obtained.

2-METHYLTHIO-3,5-METHYLPYRAZINE ?? ?? ? ???

???

?? ??


2-METHYLTHIO-3,5-METHYLPYRAZINE ?? ??

???( 156)?? ??
??? ?? ??? ?? ?? ? ??
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2-METHYLTHIO-3,5-METHYLPYRAZINE ?? ??:

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