2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole
Also known as: 4,4'-(1,3,4-Oxadiazole-2,5-diyl)dianiline, 4,4'-(1,3,4-Oxadiazole-2,5-diyl)bisaniline, 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole, 2,5-bis(p-aminophenyl)-1,3,4-oxadiazole, 4-[5-(4-aminophenyl)-1,3,4-oxadiazol-2-yl]aniline, 1,3,4-Oxadiazole-2,5-diylbis(p-phenylene)diamine, BAO, BAO, for fluorescence
2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole (CAS 2425-95-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H12N4O and a molecular weight of 252.27100 g/mol. Key properties include a melting point of 250-254 °C(lit.), a boiling point of 508.1ºC at 760mmHg, a density of 1.301g/cm3 and a flash point of 261.1ºC. 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.
- 2425-95-8
- Jingsj CID
- J-7567-2
- Molecular Formula
- C14H12N4O
- Molecular Weight
- 252.27100 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 250-254 °C(lit.) |
|---|---|
| Boiling Point | 508.1ºC at 760mmHg |
| Density | 1.301g/cm3 |
| Flash Point | 261.1ºC |
| Exact Mass | 252.10100 |
| PSA | 90.96000 |
| LogP | 3.73040 |
| Vapor Pressure | 1.91E-10mmHg at 25°C |
| Refractive Index | 1.669 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole?
The CAS number of 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole is 2425-95-8.
What are the molecular formula and molecular weight of 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole?
2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole has molecular formula C14H12N4O and molecular weight 252.27100 g/mol.
Is 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole hazardous?
2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole 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 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole?
For 2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole, Upstream Products: 2,5-Bis(4-nitrophenyl)-1,3,4-oxadiazole, 4-Aminobenzoyl chloride, 4-aminobenzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Bis(4-aminophenyl)-1,3,4-oxadiazole (CAS 2425-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7567-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.