4,4'-Dithiodianiline
Also known as: 4,4'-Diaminodiphenyl disulphide, 4,4'-Disulfanediyldianiline, 4,4'-Dithio-Aniline, 4,4'-diamino diphenyl disulfide, 4,4'-Dithiobis-benzenamine, 4,4'-dithiobisaniline, 4,4'-dithiobisbenzenamine, 4-[(4-Aminophenyl)disulfanyl]phenylamine, 4-Aminophenyl disulfide, Benzenamine, 4,4'-dithiobis-, Dithioaniline, p-p'-Dithiodianiline, {4-[(4-Aminophenyl)dithio]phenyl}amine
4,4'-Dithiodianiline (CAS 722-27-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H12N2S2 and a molecular weight of 248.367 g/mol. Key properties include a melting point of 77-78 °C(lit.), a boiling point of 447.0±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 224.2±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.
- 722-27-0
- Jingsj CID
- J-1993030-4
- Molecular Formula
- C12H12N2S2
- Molecular Weight
- 248.367 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 77-78 °C(lit.) |
|---|---|
| Boiling Point | 447.0±30.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 224.2±24.6 °C |
| Exact Mass | 248.044189 |
| PSA | 102.64000 |
| LogP | 1.65 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.741 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 4,4'-Dithiodianiline?
The CAS number of 4,4'-Dithiodianiline is 722-27-0.
What are the molecular formula and molecular weight of 4,4'-Dithiodianiline?
4,4'-Dithiodianiline has molecular formula C12H12N2S2 and molecular weight 248.367 g/mol.
Is 4,4'-Dithiodianiline hazardous?
4,4'-Dithiodianiline 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 4,4'-Dithiodianiline?
For 4,4'-Dithiodianiline, Upstream Products: 4-Iodoaniline, 3-Aminobenzenethiol, 4-Aminophenyl thiocyanate; Downstream Products: 1,4-Benzenedithiol, 4-Acetamidothioanisole, 4,4'-Thiodianiline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Dithiodianiline (CAS 722-27-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993030-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.