Sudan III
Also known as: Solvent Red 23, CI 26100, D & C Red No. 17, 1-[4-(Phenylazo)phenylazo]-2-naphthol, 1-[[p-(Phenylazo)phenyl]azo]-2-naphthol, Oil Red, Sudan Red III, C.I. Solvent Red 23, Fat Red R, Scarlet B, Tony Red, Tetrazobenzene-β-naphthol, AKA225, OIL SCARLET, Sudan G, Sudan Red BK
Sudan III (CAS 85-86-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H16N4O and a molecular weight of 352.389 g/mol. Key properties include a melting point of 199 °C (dec.)(lit.), a boiling point of 584.6±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 398.1±15.2 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 85-86-9
- Jingsj CID
- J-1987055-5
- Molecular Formula
- C22H16N4O
- Molecular Weight
- 352.389 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 199 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 584.6±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 398.1±15.2 °C |
| Exact Mass | 352.132416 |
| PSA | 69.67000 |
| LogP | 5.74 |
| Vapor Pressure | 0.0±1.7 mmHg at 25°C |
| Refractive Index | 1.662 |
Customs & Trade Information
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sudan III?
The CAS number of Sudan III is 85-86-9.
What are the molecular formula and molecular weight of Sudan III?
Sudan III has molecular formula C22H16N4O and molecular weight 352.389 g/mol.
Which suppliers offer Sudan III?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of Sudan III?
For Sudan III, Upstream Products: 2-Naphthol; Downstream Products: p-Phenylenediamine, 1-Amino-2-naphthol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sudan III (CAS 85-86-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987055-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.