环戊硫醇

Description

Cyclopentanethiol is identified by CAS 1679-07-8, molecular formula C5H10S and molecular weight 102.05 g/mol. UNII H279996YO9; ChEBI 173317; InChIKey WVDYBOADDMMFIY-UHFFFAOYSA-N. Boiling Point: 41.00 to 42.00 °C. @ 16.00 mm Hg; Boiling Point: 131 °C; Solubility: 758 mg/L @ 25 °C (calc.).

Identification

CAS Registry Number	1679-07-8
PubChem CID	15510
Molecular formula	C5H10S
Molecular weight	102.05 g/mol
IUPAC name	cyclopentanethiol
InChIKey	WVDYBOADDMMFIY-UHFFFAOYSA-N
UNII (FDA)	H279996YO9
ChEBI ID	CHEBI:173317
FEMA number	3262
JECFA number	516

Computed Descriptors

Molecular Weight	102.20
XLogP3	1.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	102.05032149
Monoisotopic Mass	102.05032149
Topological Polar Surface Area	1
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	41.00 to 42.00 °C. @ 16.00 mm Hg
Boiling Point	131 °C
Solubility	758 mg/L @ 25 °C (calc.)
Density	0.920-0.925
Refractive Index	1.488

Physical description & handling notes

• colourless liquid
• slightly soluble in water; soluble in alcohol and oils
• (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	H226 (100%)

Documented Uses

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

Synonyms

CYCLOPENTANETHIOL; 1679-07-8; Cyclopentyl mercaptan; Mercaptocyclopentane; Cyclopentylthiol; FEMA No. 3262; DTXSID1047108; BRN 2343861; EINECS 216-841-3; H279996YO9; CYCLOPENTANETHIOL [FHFI]; DTXCID9027108; 4-06-00-00015 (Beilstein Handbook Reference); RefChem:581007; 216-841-3; MFCD00001369

Frequently Asked Questions

What are the CAS number and molecular formula of Cyclopentanethiol?

CAS 1679-07-8; molecular formula C5H10S; molecular weight 102.05 g/mol.

What other names is Cyclopentanethiol known by?

CYCLOPENTANETHIOL, 1679-07-8, Cyclopentyl mercaptan, Mercaptocyclopentane, Cyclopentylthiol, FEMA No. 3262.

What is the regulatory status of Cyclopentanethiol?

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

Is Cyclopentanethiol classified as hazardous?

Hazard statements reported: H226.

What are the key physical properties of Cyclopentanethiol?

Boiling Point: 41.00 to 42.00 °C. @ 16.00 mm Hg; Boiling Point: 131 °C; Solubility: 758 mg/L @ 25 °C (calc.); Density: 0.920-0.925.

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.