4-Isopropylbenzoic acid
Also known as: p-Cumic acid, Cuminic acid, Cumic acid, 4-(1-Methylethyl)benzoic acid, p-Isopropylbenzoic acid, 4-propan-2-ylbenzoic acid, Benzoic acid, 4-(1-methylethyl)-, Benzoic acid, p-isopropyl-, p-isopropyl-benzoicaci, RARECHEM AL BO 0601, MFCD00002564
4-Isopropylbenzoic acid (CAS 536-66-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.201 g/mol. Key properties include a melting point of 117-120 °C(lit.), a boiling point of 271.8±19.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 128.1±16.2 °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.
- 536-66-3
- Jingsj CID
- J-42431-4
- Molecular Formula
- C10H12O2
- Molecular Weight
- 164.201 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 117-120 °C(lit.) |
|---|---|
| Boiling Point | 271.8±19.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 128.1±16.2 °C |
| Exact Mass | 164.083725 |
| PSA | 37.30000 |
| LogP | 3.23 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.535 |
| Additional Property | sparingly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Jayasinghe L, et, al. Antifungal constituents of the stem bark of Bridelia retusa. Phytochemistry. 2003 Feb;62(4):637-41. [2]. Huang XH, et, al. Inhibition of the activity of mushroom tyrosinase by alkylbenzoic acids. Food Chemistry. 2006 Jan; 94(1): 1-6. |
|---|
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 4-Isopropylbenzoic acid?
The CAS number of 4-Isopropylbenzoic acid is 536-66-3.
What are the molecular formula and molecular weight of 4-Isopropylbenzoic acid?
4-Isopropylbenzoic acid has molecular formula C10H12O2 and molecular weight 164.201 g/mol.
Is 4-Isopropylbenzoic acid hazardous?
4-Isopropylbenzoic 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-Isopropylbenzoic acid?
For 4-Isopropylbenzoic acid, Upstream Products: Cuminaldehyde, 4-Isopropylbenzyl alcohol, p-cymene; Downstream Products: Cumene, 4-Isopropylbenzyl alcohol, 4-Isopropylbenzohydrazide.
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-Isopropylbenzoic acid (CAS 536-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42431-4 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.