3,4-Dichlorobenzonitrile
Also known as: Benzonitrile, 3,4-dichloro-, 3,4-Dichlorbenzonitril, 3,4-Dichlorobenzonit, 3,4-dichloro benzonitrile, 3,4-dichlorobenzenecarbonitrile, NCR CG DG
3,4-Dichlorobenzonitrile (CAS 6574-99-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2N and a molecular weight of 172.011 g/mol. Key properties include a melting point of 74-78 °C(lit.), a boiling point of 235.5±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 95.0±16.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6574-99-8
- Jingsj CID
- J-38596-6
- Molecular Formula
- C7H3Cl2N
- Molecular Weight
- 172.011 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 74-78 °C(lit.) |
|---|---|
| Boiling Point | 235.5±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 95.0±16.0 °C |
| Exact Mass | 170.964249 |
| PSA | 23.79000 |
| LogP | 2.77 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.584 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- 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 3,4-Dichlorobenzonitrile?
The CAS number of 3,4-Dichlorobenzonitrile is 6574-99-8.
What are the molecular formula and molecular weight of 3,4-Dichlorobenzonitrile?
3,4-Dichlorobenzonitrile has molecular formula C7H3Cl2N and molecular weight 172.011 g/mol.
Is 3,4-Dichlorobenzonitrile hazardous?
3,4-Dichlorobenzonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of 3,4-Dichlorobenzonitrile?
For 3,4-Dichlorobenzonitrile, Upstream Products: 3,4-Dichlorobenzaldehyde oxime, 3,4-Dichlorobenzylamine, 3,4-Dichlorobenzaldehyde; Downstream Products: 5-(3,4-Dichlorophenyl)-1H-tetrazole, 3,4-Dichlorobenzamidine, 3,4-Dichlorobenzamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dichlorobenzonitrile (CAS 6574-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38596-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.