Skip to main content

1,3-Dithiane

Also known as: 1,3-Dithiacyclohexane, m-Dithiane, 1,3-Dithian, Dithiane-1,3, [1,3]Dithiane

1,3-Dithiane (CAS 505-23-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8S2 and a molecular weight of 120.236 g/mol. Key properties include a melting point of 52-54 °C(lit.), a boiling point of 195.0±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 90.6±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
505-23-7
Jingsj CID
J-14645-2
Molecular Formula
C4H8S2
Molecular Weight
120.236 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point52-54 °C(lit.)
Boiling Point195.0±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point90.6±0.0 °C
Exact Mass120.006737
PSA50.60000
LogP1.14
Vapor Pressure0.6±0.4 mmHg at 25°C
Refractive Index1.574

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Lee H, et al. Genotoxicity of 1,3-dithiane and 1,4-dithiane in the CHO/SCE assay and the Salmonella/microsomal test. Mutat Res. 1994 Jun;321(4):213-8. [2]. Martinez RA, et al. Synthesis of isotopically labeled 1,3-dithiane. J Labelled Comp Radiopharm. 2014 May 15;57(5):338-41.

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,3-Dithiane?

The CAS number of 1,3-Dithiane is 505-23-7.

What are the molecular formula and molecular weight of 1,3-Dithiane?

1,3-Dithiane has molecular formula C4H8S2 and molecular weight 120.236 g/mol.

What are the upstream and downstream products of 1,3-Dithiane?

For 1,3-Dithiane, Upstream Products: 1,3-Propanedithiol, dimethoxymethane, Diiodomethane; Downstream Products: 2-Phenyl-1,3-dithiane, Ticlopidine Hydrochloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,3-Dithiane (CAS 505-23-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14645-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.