3,3'-Thiodipropionic acid
Also known as: Thiodipropionic acid, Bis(2-carboxyethyl) sulfide, 3,3'-Sulfanediyldipropanoic acid, DIETHYL SULFIDE 2,2'-DICARBOXYLIC ACID, Dimethyl sulfide 2,2-dicarboxylic acid
3,3'-Thiodipropionic acid (CAS 111-17-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O4S and a molecular weight of 178.206 g/mol. Key properties include a melting point of 131-134 °C(lit.), a boiling point of 409.3±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 201.3±24.6 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 111-17-1
- Jingsj CID
- J-32635-2
- Molecular Formula
- C6H10O4S
- Molecular Weight
- 178.206 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 131-134 °C(lit.) |
|---|---|
| Boiling Point | 409.3±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 201.3±24.6 °C |
| Exact Mass | 178.029984 |
| PSA | 99.90000 |
| LogP | 0.27 |
| Vapor Pressure | 0.0±2.0 mmHg at 25°C |
| Refractive Index | 1.539 |
| Additional Property | 40 g/L (25 ºC) |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
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 3,3'-Thiodipropionic acid?
The CAS number of 3,3'-Thiodipropionic acid is 111-17-1.
What are the molecular formula and molecular weight of 3,3'-Thiodipropionic acid?
3,3'-Thiodipropionic acid has molecular formula C6H10O4S and molecular weight 178.206 g/mol.
Is 3,3'-Thiodipropionic acid hazardous?
3,3'-Thiodipropionic acid has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of 3,3'-Thiodipropionic acid?
For 3,3'-Thiodipropionic acid, Upstream Products: 3,3'-Thiodipropionitrile, β-Propiolactone, Ethyl 3-mercaptopropionate; Downstream Products: Bis(2-ethylhexyl) 3,3'-thiodipropionate, Dioctadecyl 3,3'-thiodipropionate, Tetrahydrothiopyran-4-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3'-Thiodipropionic acid (CAS 111-17-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32635-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.