Skip to main content

3,3'-Dithiodipropionic acid

Also known as: Bis(2-carboxyethyl) disulfide, 2-Carboxyethyl disulfide, 3,3'-Dithiobispropionic acid, 3,3'-Dithiobispropanoic acid, Propanoic acid, 3,3'-dithiobis-, Propanoic acid, 3,3-dithiobis-, 3-(2-carboxyethyldisulfanyl)propanoic acid, EINECS 214-284-0, MFCD00002780, RARECHEM AL BO 1455

3,3'-Dithiodipropionic acid (CAS 1119-62-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O4S2 and a molecular weight of 210.271 g/mol. Key properties include a melting point of 155-158 °C(lit.), a boiling point of 431.1±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 214.5±24.6 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1119-62-6
Jingsj CID
J-6483-5
Molecular Formula
C6H10O4S2
Molecular Weight
210.271 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point155-158 °C(lit.)
Boiling Point431.1±30.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point214.5±24.6 °C
Exact Mass210.002045
PSA125.20000
LogP1.38
Vapor Pressure0.0±2.2 mmHg at 25°C
Refractive Index1.592

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Jing Liu, et al. Nanoaggregates of Disulfide-Decorated TrxR Inhibitor Promote Cellular Uptake, Selective Targeting, and Antitumor Efficacy. Langmuir.

Customs & Trade Information

HS Code2930909090
Summary2930909090. 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'-Dithiodipropionic acid?

The CAS number of 3,3'-Dithiodipropionic acid is 1119-62-6.

What are the molecular formula and molecular weight of 3,3'-Dithiodipropionic acid?

3,3'-Dithiodipropionic acid has molecular formula C6H10O4S2 and molecular weight 210.271 g/mol.

Is 3,3'-Dithiodipropionic acid hazardous?

3,3'-Dithiodipropionic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3,3'-Dithiodipropionic acid?

For 3,3'-Dithiodipropionic acid, Upstream Products: 3-Mercaptopropionic acid, Trifluoromethyl iodide, 2,2'-Dithiodipyridine; Downstream Products: 3,3'-Dithiodipropionic acid di(N-hydroxysuccinimide ester), 3,3'-Dithiobis(N-octylpropionamide), N,N'-Dimethyl-3,3'-dithiodipropionamide.

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'-Dithiodipropionic acid (CAS 1119-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6483-5 (accessed 2026-11-09).

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