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2-Pyrazinylethanethiol Basic information
Product Name: 2-Pyrazinylethanethiol
Synonyms: 2-Pyrazinylethanethi;Mercaptoethyl)pyrazin;2-Pyrazinylethanethiol 35250-53-4;BETA-MERCAPTOETHYL PYRAZINE;FEMA 3230;2-(2-Mercaptoethyl)pyrazine,97%;FEMA NUMBER 3230;MERCAPTOETHYLPYRAZINE
CAS: 35250-53-4
MF: C6H8N2S
MW: 140.21
EINECS:
Product Categories: API intermediates;Pyrazines;Chloropyrazines, etc.;pyrazine Flavor
Mol File: 35250-53-4.mol
2-Pyrazinylethanethiol Structure
2-Pyrazinylethanethiol Chemical Properties
Boiling point  105-110 °C20 mm Hg(lit.)
density  1.142 g/mL at 25 °C(lit.)
FEMA  3230 | PYRAZINE ETHANETHIOL
refractive index  n20/D 1.567(lit.)
Fp  >230 °F
storage temp.  Refrigerator
pka 9.82±0.10(Predicted)
Water Solubility  Partly soluble in water, soluble in most organic solvents.
JECFA Number 795
CAS DataBase Reference 35250-53-4(CAS DataBase Reference)
EPA Substance Registry System Pyrazineethanethiol (35250-53-4)
Safety Information
Hazard Codes  T
Risk Statements  25-36/37/38
Safety Statements  36/37-45
RIDADR  UN 2810 6.1/PG 3
WGK Germany  3
RTECS  KJ2551000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29339900

2-Pyrazinylethanethiol Usage And Synthesis
Chemical Properties Colorless liquid
Chemical Properties Pyrazine ethanethiol has a sulfurous, meaty, cabbage odor.
Preparation From 2-vinylpyrazine by reaction with thiolactic acid, followed by conversion of the thiolester to 2-(pyrazinyl) ethanethiol.
Taste threshold values Taste characteristics at 2 ppm: meaty, sulfurous, pot roast and savory with nuances suitable for chicken and pork.