3,5-Dichlorobenzoic acid
Also known as: Benzoic acid, 3,5-dichloro-, 3,5-Dichloro-benzoic acid, 3,5-Dichlorobenzoic Acid, 3,5-Dichlorbenzoesaeure, 3.5-Dichlorobe, EINECS 200-092-4, MFCD00002494, QVR CG EG
3,5-Dichlorobenzoic acid (CAS 51-36-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O2 and a molecular weight of 191.012 g/mol. Key properties include a melting point of 184-187 °C(lit.), a boiling point of 309.1±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 140.7±22.3 °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.
- 51-36-5
- Jingsj CID
- J-9101-0
- Molecular Formula
- C7H4Cl2O2
- Molecular Weight
- 191.012 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184-187 °C(lit.) |
|---|---|
| Boiling Point | 309.1±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 140.7±22.3 °C |
| Exact Mass | 189.958832 |
| PSA | 37.30000 |
| LogP | 3.92 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.599 |
| Storage Conditions | 2-8°C |
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 3,5-Dichlorobenzoic acid?
The CAS number of 3,5-Dichlorobenzoic acid is 51-36-5.
What are the molecular formula and molecular weight of 3,5-Dichlorobenzoic acid?
3,5-Dichlorobenzoic acid has molecular formula C7H4Cl2O2 and molecular weight 191.012 g/mol.
Is 3,5-Dichlorobenzoic acid hazardous?
3,5-Dichlorobenzoic 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 3,5-Dichlorobenzoic acid?
For 3,5-Dichlorobenzoic acid, Upstream Products: Isopropyl nitrite, 3,5-Dichloro-4-iodobenzoic acid, 4-Fluorobenzeneboronic acid; Downstream Products: Trimesic acid, 1,3-Dichloro-5-(chloromethyl)benzene, Ethyl 3,5-dichlorobenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Dichlorobenzoic acid (CAS 51-36-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9101-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.