3-Chloro-4-methylbenzonitrile
Also known as: 2-Chloro-4-cyanotoluene, 3-Chloro-4-methylbenzonitrile, 3-Chloro-4-tolunitrile, 3-Chloro-p-tolunitrile, 3-Chlor-4-methyl-benzonitril, 3-chloro-4-methyl-benzenecarbonitrile, 3-chloro-p-toluonitrile, Benzonitrile, 3-chloro-4-methyl-, MFCD00001799
3-Chloro-4-methylbenzonitrile (CAS 21423-81-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6ClN and a molecular weight of 151.593 g/mol. Key properties include a melting point of 45-48 °C(lit.), a boiling point of 238.1±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 83.9±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H228. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21423-81-4
- Jingsj CID
- J-20763-6
- Molecular Formula
- C8H6ClN
- Molecular Weight
- 151.593 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 45-48 °C(lit.) |
|---|---|
| Boiling Point | 238.1±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 83.9±0.0 °C |
| Exact Mass | 151.018875 |
| PSA | 23.79000 |
| LogP | 2.81 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.553 |
GHS Safety & Compliance
- H228
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 3-Chloro-4-methylbenzonitrile?
The CAS number of 3-Chloro-4-methylbenzonitrile is 21423-81-4.
What are the molecular formula and molecular weight of 3-Chloro-4-methylbenzonitrile?
3-Chloro-4-methylbenzonitrile has molecular formula C8H6ClN and molecular weight 151.593 g/mol.
Is 3-Chloro-4-methylbenzonitrile hazardous?
3-Chloro-4-methylbenzonitrile has GHS signal word Warning and hazard statements H228.
What are the upstream and downstream products of 3-Chloro-4-methylbenzonitrile?
For 3-Chloro-4-methylbenzonitrile, Upstream Products: 3-Chloro-4-methylbenzylamine, 3-Chloro-4-methylaniline; Downstream Products: 3-Chloro-4-methylbenzoic acid, 4-(Bromomethyl)-3-chlorobenzonitrile, 2-Phenoxyterephthalic 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. "3-Chloro-4-methylbenzonitrile (CAS 21423-81-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20763-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.