2,4-Dichlorophenylacetic acid
Also known as: 2-(2,4-Dichlorophenyl)acetic acid, 2,4-Dichlorobenzeneacetic acid, 2,4-DCPA, DCAA, Benzeneacetic acid, 2,4-dichloro-, MFCD00004318, EINECS 243-248-7, LABOTEST-BB LT00454968, RARECHEM AL BO 0113, TIMTEC-BB SBB003502
2,4-Dichlorophenylacetic acid (CAS 19719-28-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6Cl2O2 and a molecular weight of 205.038 g/mol. Key properties include a melting point of 129-131 °C(lit.), a boiling point of 325.2±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 150.5±23.7 °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.
- 19719-28-9
- Jingsj CID
- J-9041-5
- Molecular Formula
- C8H6Cl2O2
- Molecular Weight
- 205.038 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 129-131 °C(lit.) |
|---|---|
| Boiling Point | 325.2±27.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 150.5±23.7 °C |
| Exact Mass | 203.974487 |
| PSA | 37.30000 |
| LogP | 2.71 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.585 |
| Additional Property | SOLUBLE IN HOT WATER |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Dichlorophenylacetic acid?
The CAS number of 2,4-Dichlorophenylacetic acid is 19719-28-9.
What are the molecular formula and molecular weight of 2,4-Dichlorophenylacetic acid?
2,4-Dichlorophenylacetic acid has molecular formula C8H6Cl2O2 and molecular weight 205.038 g/mol.
Is 2,4-Dichlorophenylacetic acid hazardous?
2,4-Dichlorophenylacetic acid 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 2,4-Dichlorophenylacetic acid?
For 2,4-Dichlorophenylacetic acid, Upstream Products: 2,4-Dichlorobenzyl chloride, 2,4-Dichlorophenylacetonitrile, 2,4-Dichlorobenzyl alcohol; Downstream Products: Ethyl 2-(2,4-dichlorophenyl)acetate, 2,4-Dichlorophenethyl alcohol, 2,4-Dichlorobenzaldehyde.
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-Dichlorophenylacetic acid (CAS 19719-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9041-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.