2-Pyrazinylethanethiol

2-Pyrazinylethanethiol Basic information
Product Name:2-Pyrazinylethanethiol
Synonyms:BETA-MERCAPTOETHYL PYRAZINE;FEMA 3230;FEMA NUMBER 3230;2-PYRAZINE ETHANETHIOL;2-PYRAZINYLETHANETHIOL;(2-MERCAPTOETHYL)PYRAZINE;2-(2-MERCAPTOETHYL)PYRAZINE;PYRAZINYL ETHANETHIOL
CAS:35250-53-4
MF:C6H8N2S
MW:140.21
EINECS:237-246-5
Product Categories:Chloropyrazines, etc.;pyrazine Flavor;API intermediates;Pyrazines
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.)
refractive index n20/D 1.567(lit.)
FEMA 3230 | PYRAZINE ETHANETHIOL
Fp >230 °F
storage temp. Inert atmosphere,2-8°C
pka9.82±0.10(Predicted)
form clear liquid
color White to Yellow to Green
Odorat 0.10 % in propylene glycol. sulfurous meaty cabbage
Odor Typesulfurous
Water Solubility Partly soluble in water, soluble in most organic solvents.
JECFA Number795
LogP0.38
CAS DataBase Reference35250-53-4(CAS DataBase Reference)
EPA Substance Registry SystemPyrazineethanethiol (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
MSDS Information
ProviderLanguage
SigmaAldrichEnglish
ALFAEnglish
2-Pyrazinylethanethiol Usage And Synthesis
Chemical PropertiesPyrazine ethanethiol has a sulfurous, meaty, cabbage odor.
Chemical PropertiesColorless liquid
Uses2-(2-Mercaptoethyl)pyrazine is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals, petrochemicals and dyestuff. It is used as a flavoring agent has a sulfurous type odor and a meaty type flavor.
PreparationFrom 2-vinylpyrazine by reaction with thiolactic acid, followed by conversion of the thiolester to 2-(pyrazinyl) ethanethiol.
Taste threshold valuesTaste characteristics at 2 ppm: meaty, sulfurous, pot roast and savory with nuances suitable for chicken and pork.
2-Pyrazinylethanethiol Preparation Products And Raw materials
Raw materialsPyrazine, 2-(2-bromoethyl)-

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