Disperse Orange 25
Also known as: C.I. Disperse Orange 25, C.I. Solvent Orange 105, Solvent Orange 105, Solvent Orange R, 3-(ethyl{4-[(E)-(4-nitrophenyl)diazenyl]phenyl}amino)propanenitrile, 3-[ethyl-[4-(4-nitrophenyl)azophenyl]amino]propanenitrile
Disperse Orange 25 (CAS 31482-56-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H17N5O2 and a molecular weight of 323.34900 g/mol. Key properties include a melting point of 155-160ºC (SUBL.), a boiling point of 555ºC at 760 mmHg, a density of 1.19 and a flash point of 289.5ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31482-56-1
- Jingsj CID
- J-854-8
- Molecular Formula
- C17H17N5O2
- Molecular Weight
- 323.34900 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155-160ºC (SUBL.) |
|---|---|
| Boiling Point | 555ºC at 760 mmHg |
| Density | 1.19 |
| Flash Point | 289.5ºC |
| Exact Mass | 323.13800 |
| PSA | 97.57000 |
| LogP | 5.27338 |
| Refractive Index | 1.605 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
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 Disperse Orange 25?
The CAS number of Disperse Orange 25 is 31482-56-1.
What are the molecular formula and molecular weight of Disperse Orange 25?
Disperse Orange 25 has molecular formula C17H17N5O2 and molecular weight 323.34900 g/mol.
Is Disperse Orange 25 hazardous?
Disperse Orange 25 has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of Disperse Orange 25?
For Disperse Orange 25, Upstream Products: N-(2-Cyanoethyl)-N-ethylaniline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Disperse Orange 25 (CAS 31482-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-854-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.