5-tert-Butylisophthalic acid
Also known as: 5-tert-Butylisophthalic acid, 5-tert-Butyl-1,3-benzenedicarboxylic acid, 5-tert-Butyl-m-phthalic acid, 5-tert-Butyl-1,3-benzenedicarboxylicacid, 5-tert-Butylbenzene-1,3-dicarboxylic acid, 5-(1,1-Dimethylethyl)-1,3-benzenedicarboxylic acid, 5-(2-Methyl-2-propanyl)isophthalic acid, 1,3-Benzenedicarboxylic acid, 5-(1,1-dimethylethyl)-, 5-(tert-Butyl)isophthalic acid, 5-tert-butylisophthalic acid 98%, MFCD00067047
5-tert-Butylisophthalic acid (CAS 2359-09-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O4 and a molecular weight of 222.237 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 400.0±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 209.8±24.4 °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 Nov 3, 2026.
- CAS No.
- 2359-09-3
- Jingsj CID
- J-28438-8
- Molecular Formula
- C12H14O4
- Molecular Weight
- 222.237 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 400.0±42.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 209.8±24.4 °C |
| Exact Mass | 222.089203 |
| PSA | 74.60000 |
| LogP | 3.35 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.559 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-tert-Butylisophthalic acid?
The CAS number of 5-tert-Butylisophthalic acid is 2359-09-3.
What are the molecular formula and molecular weight of 5-tert-Butylisophthalic acid?
5-tert-Butylisophthalic acid has molecular formula C12H14O4 and molecular weight 222.237 g/mol.
Is 5-tert-Butylisophthalic acid hazardous?
5-tert-Butylisophthalic 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 5-tert-Butylisophthalic acid?
For 5-tert-Butylisophthalic acid, Upstream Products: Diazomethane, Carbon dioxide, 5-tert-Butyl-m-xylene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-tert-Butylisophthalic acid (CAS 2359-09-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28438-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.