2,2'-Dithiodiethanol
Also known as: Bis(2-hydroxyethyl) disulfide, 2-Hydroxyethyl disulfide, Dithiodiglycol, 2,2'-Dithiobis(ethanol), Diethanol disulfide, Hydroxyethyl disulfide, 2-(2-Hydroxyethyldisulfanyl)ethanol
2,2'-Dithiodiethanol (CAS 1892-29-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H10O2S2 and a molecular weight of 154.251 g/mol. Key properties include a melting point of 25-27 °C(lit.), a boiling point of 306.5±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 149.3±22.4 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1892-29-1
- Jingsj CID
- J-19899-2
- Molecular Formula
- C4H10O2S2
- Molecular Weight
- 154.251 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 25-27 °C(lit.) |
|---|---|
| Boiling Point | 306.5±27.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 149.3±22.4 °C |
| Exact Mass | 154.012222 |
| PSA | 91.06000 |
| LogP | 0.51 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.590 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H318 — Causes serious eye damage
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 2,2'-Dithiodiethanol?
The CAS number of 2,2'-Dithiodiethanol is 1892-29-1.
What are the molecular formula and molecular weight of 2,2'-Dithiodiethanol?
2,2'-Dithiodiethanol has molecular formula C4H10O2S2 and molecular weight 154.251 g/mol.
Is 2,2'-Dithiodiethanol hazardous?
2,2'-Dithiodiethanol has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2,2'-Dithiodiethanol?
For 2,2'-Dithiodiethanol, Upstream Products: 2-Mercaptoethanol, sodium 2-mercaptoethanolate, Ethylene oxide; Downstream Products: 2-(Methylthio)ethanol, 1,4-Dithiane, Glutathione disulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2'-Dithiodiethanol (CAS 1892-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19899-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.