4-Hydroxyphthalonitrile
Also known as: 3,4-Dicyanophenol, 4-hydroxy-1,2-benzenedicarbonitrile, 4-hydroxybenzene-1,2-dicarbonitrile, 4-hydroxyphthalodinitrile, 1,2-Benzenedicarbonitrile, 4-hydroxy-
4-Hydroxyphthalonitrile (CAS 30757-50-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4N2O and a molecular weight of 144.130 g/mol. Key properties include a melting point of ~218 °C, a boiling point of 394.6±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 192.4±26.5 °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.
- 30757-50-7
- Jingsj CID
- J-1499571-2
- Molecular Formula
- C8H4N2O
- Molecular Weight
- 144.130 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ~218 °C |
|---|---|
| Boiling Point | 394.6±37.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 192.4±26.5 °C |
| Exact Mass | 144.032364 |
| PSA | 67.81000 |
| LogP | 1.80 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.614 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Hydroxyphthalonitrile?
The CAS number of 4-Hydroxyphthalonitrile is 30757-50-7.
What are the molecular formula and molecular weight of 4-Hydroxyphthalonitrile?
4-Hydroxyphthalonitrile has molecular formula C8H4N2O and molecular weight 144.130 g/mol.
Is 4-Hydroxyphthalonitrile hazardous?
4-Hydroxyphthalonitrile 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-Hydroxyphthalonitrile?
For 4-Hydroxyphthalonitrile, Upstream Products: 4-Nitrophthalonitrile, Zinc cyanide, 3,4-Dibromophenol; Downstream Products: Phthalonitrile.
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-Hydroxyphthalonitrile (CAS 30757-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499571-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.