4-Phenylimidazole
Also known as: 4-Phenyl-1H-imidazole, 4(5)-phenylimidazole, 5-Phenyl-1H-imidazole, 5-phenyl-3-aza-1H-pyrrole, 1H-Imidazole, 4-phenyl-, Phenylimidazole
4-Phenylimidazole (CAS 670-95-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2 and a molecular weight of 144.17 g/mol. Key properties include a melting point of 128-131 °C(lit.), a boiling point of 379.8±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 213.0±5.7 °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.
- 670-95-1
- Jingsj CID
- J-1012597-0
- Molecular Formula
- C9H8N2
- Molecular Weight
- 144.17 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128-131 °C(lit.) |
|---|---|
| Boiling Point | 379.8±11.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 213.0±5.7 °C |
| Exact Mass | 144.068741 |
| PSA | 28.68000 |
| LogP | 1.46 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.603 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. 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 4-Phenylimidazole?
The CAS number of 4-Phenylimidazole is 670-95-1.
What are the molecular formula and molecular weight of 4-Phenylimidazole?
4-Phenylimidazole has molecular formula C9H8N2 and molecular weight 144.17 g/mol.
Is 4-Phenylimidazole hazardous?
4-Phenylimidazole 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-Phenylimidazole?
For 4-Phenylimidazole, Upstream Products: 4-Iodo-1H-imidazole, Phenylboronic acid, 4-Bromo-1H-imidazole; Downstream Products: Benzonitrile, Benzoylformic acid, benzoic 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. "4-Phenylimidazole (CAS 670-95-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012597-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.