pyrazine ethanethiol

Description

pyrazine ethanethiol is identified by CAS 35250-53-4, molecular formula C6H8N2S and molecular weight 140.04 g/mol. UNII F7I6G0E56F; InChIKey QKVWBAMZPUHCMO-UHFFFAOYSA-N. Boiling Point: 105.00 to 110.00 °C. @ 20.00 mm Hg; Boiling Point: 105-110 °C (20 mm Hg); Density: 1.147-1.157.

Identification

CAS Registry Number	35250-53-4
PubChem CID	61945
Molecular formula	C6H8N2S
Molecular weight	140.04 g/mol
IUPAC name	2-pyrazin-2-ylethanethiol
InChIKey	QKVWBAMZPUHCMO-UHFFFAOYSA-N
UNII (FDA)	F7I6G0E56F
FEMA number	3230
JECFA number	795

Computed Descriptors

Molecular Weight	140.21
XLogP3	0.4
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	2
Exact Mass	140.04081944
Monoisotopic Mass	140.04081944
Topological Polar Surface Area	26.8
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	105.00 to 110.00 °C. @ 20.00 mm Hg
Boiling Point	105-110 °C (20 mm Hg)
Density	1.147-1.157
Refractive Index	1.553-1.570

Physical description & handling notes

• colourless to yellow liquid with a meaty, cabbage, sulfurous odour
• slightly
• soluble in water, organic solvents, oils
• miscible at room temperature (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H301 (100%)

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index

Synonyms

Pyrazineethanethiol; 35250-53-4; 2-Pyrazinylethanethiol; 2-Pyrazineethanethiol; 2-(pyrazin-2-yl)ethanethiol; pyrazine ethanethiol; Mercaptoethylpyrazine; 2-Pyrazinylethylmercaptan; Pyrazinyl ethanethiol; FEMA 3230; 2-(pyrazin-2-yl)ethane-1-thiol; FEMA No. 3230; DTXSID2025977; Ethanethiol, 2-pyrazinyl-; UNII-F7I6G0E56F; BRN 0774932

Frequently Asked Questions

What are the CAS number and molecular formula of pyrazine ethanethiol?

CAS 35250-53-4; molecular formula C6H8N2S; molecular weight 140.04 g/mol.

What other names is pyrazine ethanethiol known by?

Pyrazineethanethiol, 35250-53-4, 2-Pyrazinylethanethiol, 2-Pyrazineethanethiol, 2-(pyrazin-2-yl)ethanethiol, pyrazine ethanethiol.

What is the regulatory status of pyrazine ethanethiol?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is pyrazine ethanethiol classified as hazardous?

Hazard statements reported: H301.

What are the key physical properties of pyrazine ethanethiol?

Boiling Point: 105.00 to 110.00 °C. @ 20.00 mm Hg; Boiling Point: 105-110 °C (20 mm Hg); Density: 1.147-1.157; Refractive Index: 1.553-1.570.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.