3,3'-Sulfonyldianiline
3,3'-二氨基二苯砜
Also known as: 3,3'-Diaminodiphenyl sulfone, Bis(3-aminophenyl) sulfone, 3,3'-Sulfonylbis(aniline)
3,3'-Sulfonyldianiline (CAS 599-61-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O2S and a molecular weight of 248.301 g/mol. It is also known as 3,3'-Diaminodiphenyl sulfone, Bis(3-aminophenyl) sulfone and 3,3'-Sulfonylbis(aniline). Key properties include a melting point of 170-173 °C(lit.), a boiling point of 542.8±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 282.1±25.9 °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.
- 599-61-1
- Jingsj CID
- J-42781-2
- Molecular Formula
- C12H12N2O2S
- Chinese Name
- 3,3'-二氨基二苯砜
- Molecular Weight
- 248.301 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 170-173 °C(lit.) |
|---|---|
| Boiling Point | 542.8±35.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 282.1±25.9 °C |
| Exact Mass | 248.061951 |
| PSA | 94.56000 |
| LogP | 1.12 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.662 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2921590090 |
|---|---|
| Summary | 2921590090. other aromatic polyamines and their derivatives; salts thereof. 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'-Sulfonyldianiline?
The CAS number of 3,3'-Sulfonyldianiline is 599-61-1.
What are the molecular formula and molecular weight of 3,3'-Sulfonyldianiline?
3,3'-Sulfonyldianiline has molecular formula C12H12N2O2S and molecular weight 248.301 g/mol.
Is 3,3'-Sulfonyldianiline hazardous?
3,3'-Sulfonyldianiline 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'-Sulfonyldianiline?
For 3,3'-Sulfonyldianiline, Upstream Products: Bis(3-nitrophenyl)sulfone, Ammonia; Downstream Products: 4,4'-sulfonyldiphenol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3'-Sulfonyldianiline (CAS 599-61-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42781-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.