2,4-Dimethylbenzoyl chloride
Also known as: Benzoyl chloride, 2,4-dimethyl-, 4-(Chlorocarbonyl)-m-xylene, 4-(Chloroformyl)-m-xylene, Buttpark 48\06-96, MFCD00798005, xyloyl chloride
2,4-Dimethylbenzoyl chloride (CAS 21900-42-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO and a molecular weight of 168.62000 g/mol. Key properties include a boiling point of 122°C/10mm, a density of 1.136g/cm3 and a flash point of 102.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21900-42-5
- Jingsj CID
- J-9941-2
- Molecular Formula
- C9H9ClO
- Molecular Weight
- 168.62000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 122°C/10mm |
|---|---|
| Density | 1.136g/cm3 |
| Flash Point | 102.8ºC |
| Exact Mass | 168.03400 |
| PSA | 17.07000 |
| LogP | 2.68240 |
| Vapor Pressure | 0.0513mmHg at 25°C |
| Refractive Index | 1.534 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives 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 2,4-Dimethylbenzoyl chloride?
The CAS number of 2,4-Dimethylbenzoyl chloride is 21900-42-5.
What are the molecular formula and molecular weight of 2,4-Dimethylbenzoyl chloride?
2,4-Dimethylbenzoyl chloride has molecular formula C9H9ClO and molecular weight 168.62000 g/mol.
What are the upstream and downstream products of 2,4-Dimethylbenzoyl chloride?
For 2,4-Dimethylbenzoyl chloride, Upstream Products: 2,4-Dimethylbenzoic acid, Oxalyl chloride, m-Xylene; Downstream Products: Bis(2,4-dimethylphenyl)methanone, 1-oxo-1,3-dihydroisobenzofuran-5-carboxylic acid, 1-Oxo-1,3-dihydroisobenzofuran-5-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dimethylbenzoyl chloride (CAS 21900-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9941-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.