3,5-Dichloro-4-hydroxybenzoic acid
Also known as: 3,5-Dichloro-4-hydroxybenzoicAcid, 3,5-dichloro-4-hydroxy-benzoic acid, 4-hydroxy-3,5-dichloro-benzoic acid, Benzoic acid, 3,5-dichloro-4-hydroxy-, DiClHBz, acide dichloro-3,5 hydroxy-4 benzoique, EINECS 222-071-9, MFCD00002550, NSC 21185
3,5-Dichloro-4-hydroxybenzoic acid (CAS 3336-41-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O3 and a molecular weight of 207.011 g/mol. Key properties include a melting point of 264-266 °C(lit.), a boiling point of 328.2±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 152.3±27.9 °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.
- 3336-41-2
- Jingsj CID
- J-4372-1
- Molecular Formula
- C7H4Cl2O3
- Molecular Weight
- 207.011 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 264-266 °C(lit.) |
|---|---|
| Boiling Point | 328.2±42.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 152.3±27.9 °C |
| Exact Mass | 205.953751 |
| PSA | 57.53000 |
| LogP | 3.37 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.641 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,5-Dichloro-4-hydroxybenzoic acid?
The CAS number of 3,5-Dichloro-4-hydroxybenzoic acid is 3336-41-2.
What are the molecular formula and molecular weight of 3,5-Dichloro-4-hydroxybenzoic acid?
3,5-Dichloro-4-hydroxybenzoic acid has molecular formula C7H4Cl2O3 and molecular weight 207.011 g/mol.
Is 3,5-Dichloro-4-hydroxybenzoic acid hazardous?
3,5-Dichloro-4-hydroxybenzoic 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-Dichloro-4-hydroxybenzoic acid?
For 3,5-Dichloro-4-hydroxybenzoic acid, Upstream Products: 4-Hydroxybenzoic acid, ethyl 3,5-dichloro-4-hydroxybenzoate, 3,5-dichloro-4-methoxybenzoic acid; Downstream Products: Methyl 3,5-dichloro-4-hydroxybenzoate, 3,5-dichloro-4-methoxybenzoic acid, ethyl 3,5-dichloro-4-hydroxybenzoate.
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-Dichloro-4-hydroxybenzoic acid (CAS 3336-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4372-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.