4-(Difluoromethoxy)benzoic acid
Also known as: p-(Difluoromethoxy)benzoic acid, 4-Difluoromethoxybenzoic acid, α,α-Difluoro-p-anisic acid, Benzoic acid, 4-(difluoromethoxy)-, AKOS B006807, RARECHEM AL BO 0735, TIMTEC-BB SBB003678, MFCD00221454, 4-(DIFLUOROMETHOXY)BENZOIC ACID
4-(Difluoromethoxy)benzoic acid (CAS 4837-20-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6F2O3 and a molecular weight of 188.128 g/mol. Key properties include a melting point of 169-171 °C(lit.), a boiling point of 272.1±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 118.3±24.6 °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.
- 4837-20-1
- Jingsj CID
- J-1335257-3
- Molecular Formula
- C8H6F2O3
- Molecular Weight
- 188.128 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 169-171 °C(lit.) |
|---|---|
| Boiling Point | 272.1±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 118.3±24.6 °C |
| Exact Mass | 188.028503 |
| PSA | 46.53000 |
| LogP | 2.14 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.497 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-(Difluoromethoxy)benzoic acid?
The CAS number of 4-(Difluoromethoxy)benzoic acid is 4837-20-1.
What are the molecular formula and molecular weight of 4-(Difluoromethoxy)benzoic acid?
4-(Difluoromethoxy)benzoic acid has molecular formula C8H6F2O3 and molecular weight 188.128 g/mol.
Is 4-(Difluoromethoxy)benzoic acid hazardous?
4-(Difluoromethoxy)benzoic 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 4-(Difluoromethoxy)benzoic acid?
For 4-(Difluoromethoxy)benzoic acid, Upstream Products: 4-(Difluoromethoxy)toluene; Downstream Products: 4-(Difluoromethoxy)benzohydrazide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(Difluoromethoxy)benzoic acid (CAS 4837-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335257-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.