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1,8-Octanedithiol

CAS 1191-62-4C8H18S2MW 178.09 g/mol

1,8-Octanedithiol (CAS 1191-62-4) — formula C8H18S2, molecular weight 178.09 g/mol.

Product Overview

CAS Number1191-62-4
Molecular FormulaC8H18S2
Molecular Weight178.09 g/mol
Melting Point0.9 °C
Boiling Point142.00 °C. @ 30.00 mm Hg
LogP3.3

Technical Profile

What this product is

1,8-Octanedithiol is a chemical compound with CAS registry number 1191-62-4 and molecular formula C8H18S2 (molecular weight 178.09 g/mol).

Identification

CAS number: 1191-62-4

Its molecular formula C8H18S2 comprises 8 C, 18 H, 2 S atoms.

Also known as: 1,8-Octanedithiol · octane-1,8-dithiol

Frequently Asked Questions

What is the CAS number of 1,8-Octanedithiol?

The CAS registry number of 1,8-Octanedithiol is 1191-62-4.

What is the molecular formula and molecular weight of 1,8-Octanedithiol?

Molecular formula C8H18S2, molecular weight 178.09 g/mol.

What other names is 1,8-Octanedithiol known by?

It is also registered under: 1,8-Octanedithiol, octane-1,8-dithiol.

PubChem Public Data

Independent reference data for 1,8-Octanedithiol (CAS 1191-62-4), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number1191-62-4
PubChem CID14493
Molecular formulaC8H18S2
Molecular weight178.09 g/mol
IUPAC nameoctane-1,8-dithiol
InChIKeyPGTWZHXOSWQKCY-UHFFFAOYSA-N
UNII (FDA)KH3W3161HS
ChEBI IDCHEBI:172319
FEMA number3514
JECFA number541

Computed descriptors

Molecular Weight178.4
XLogP33.3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count7
Exact Mass178.08499292
Monoisotopic Mass178.08499292
Topological Polar Surface Area2
Heavy Atom Count10

Physicochemical values on record

Boiling Point142.00 °C. @ 30.00 mm Hg
Boiling Point269-270 °C; 193 °C (100 mm Hg)
Melting Point0.9 °C
Density0.962 (d20/4)
Refractive Index1.503-1.504

Documented uses on record

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

Synonyms and trade names

1,8-OCTANEDITHIOL; 1191-62-4; Octane-1,8-dithiol; 1,8-Dimercaptooctane; Octamethylene dimercaptan; 1,8-Octamethylenedithiol; FEMA No. 3514; DTXSID8047474; KH3W3161HS; DTXCID6027474; RefChem:73783; 214-738-8; MFCD00003574; SCHEMBL63238; OCTANEDITHIOL, 1,8-; CHEBI:172319

Regulatory listings held on file

Regulatory & Food ContactEU 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 statementsH302 (100%)

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

What the public record says

1,8-Octanedithiol is identified by CAS 1191-62-4, molecular formula C8H18S2 and molecular weight 178.09 g/mol. UNII KH3W3161HS; ChEBI 172319; InChIKey PGTWZHXOSWQKCY-UHFFFAOYSA-N. Boiling Point: 142.00 °C. @ 30.00 mm Hg; Boiling Point: 269-270 °C; 193 °C (100 mm Hg); Melting Point: 0.9 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.

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