Bis(2-mercaptoethyl) sulfide
Also known as: 2,2'-Thiodiethanethiol, 2,2'-Dimercaptodiethyl sulfide, 3-Thia-1,5-pentanedithiol, 1,5-dimercapto-3-thiapentane, 2-Mercaptoethyl sulfide, trithiodiglycol, Ethanethiol, 2,2'-thiobis-, MFCD00004893
Bis(2-mercaptoethyl) sulfide (CAS 3570-55-6) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C4H10S3 and a molecular weight of 154.31700 g/mol. Key properties include a melting point of -31ºC, a boiling point of 135-136 °C10 mm Hg(lit.), a density of 1.183 g/mL at 25 °C(lit.) and a flash point of 90.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 3570-55-6
- Jingsj CID
- J-1179483-3
- Molecular Formula
- C4H10S3
- Molecular Weight
- 154.31700 g/mol
- Category
- Ethers
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -31ºC |
|---|---|
| Boiling Point | 135-136 °C10 mm Hg(lit.) |
| Density | 1.183 g/mL at 25 °C(lit.) |
| Flash Point | 90.6 °C |
| Exact Mass | 153.99400 |
| PSA | 102.90000 |
| LogP | 1.57920 |
| Refractive Index | n20/D 1.5961(lit.) |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Bis(2-mercaptoethyl) sulfide?
The CAS number of Bis(2-mercaptoethyl) sulfide is 3570-55-6.
What are the molecular formula and molecular weight of Bis(2-mercaptoethyl) sulfide?
Bis(2-mercaptoethyl) sulfide has molecular formula C4H10S3 and molecular weight 154.31700 g/mol.
What are the upstream and downstream products of Bis(2-mercaptoethyl) sulfide?
For Bis(2-mercaptoethyl) sulfide, Upstream Products: 1,2-Ethanedithiol, 1,2-dichloroethane, Thiirane; Downstream Products: 1,4,7,10,13,16-hexathiacyclooctadecane, 3,6,9,14-tetrathiabicyclo[9.2.1]tetradeca-11,13-diene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(2-mercaptoethyl) sulfide (CAS 3570-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179483-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.