4-Methylphthalonitrile
Also known as: 1,2-Benzenedicarbonitrile, 4-methyl-, 4-methylbenzene-1,2-dicarbonitrile, 3,4-Dicyanotoluene, 1,2-Dicyano-4-methylbenzene, MFCD02093739
4-Methylphthalonitrile (CAS 63089-50-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H6N2 and a molecular weight of 142.157 g/mol. Key properties include a melting point of 119-121 °C(lit.), a boiling point of 326.9±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 163.6±18.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 63089-50-9
- Jingsj CID
- J-1228-2
- Molecular Formula
- C9H6N2
- Molecular Weight
- 142.157 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 119-121 °C(lit.) |
|---|---|
| Boiling Point | 326.9±30.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 163.6±18.5 °C |
| Exact Mass | 142.053101 |
| PSA | 47.58000 |
| LogP | 1.53 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.555 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
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-Methylphthalonitrile?
The CAS number of 4-Methylphthalonitrile is 63089-50-9.
What are the molecular formula and molecular weight of 4-Methylphthalonitrile?
4-Methylphthalonitrile has molecular formula C9H6N2 and molecular weight 142.157 g/mol.
Is 4-Methylphthalonitrile hazardous?
4-Methylphthalonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
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-Methylphthalonitrile (CAS 63089-50-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1228-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.