5-Hydroxyisophthalic acid
Also known as: 5-Hydroxy-1,3-benzenedicarboxylic acid, 5-Hydroxybenzene-1,3-dicarboxylic acid, 5-Hydroxyisophthalic acid, 5-Hydroxyisophtalic acid, OHIPA, 5-HIPA, 1,3-Benzenedicarboxylic acid, 5-hydroxy-, sym-Hydroxyisophthalic acid, 5-Hydroxy-m-phthalic acid
5-Hydroxyisophthalic acid (CAS 618-83-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O5 and a molecular weight of 182.130 g/mol. Key properties include a melting point of 298-302 °C(lit.), a boiling point of 516.9±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 280.5±25.2 °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. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 618-83-7
- Jingsj CID
- J-15847-4
- Molecular Formula
- C8H6O5
- Molecular Weight
- 182.130 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 298-302 °C(lit.) |
|---|---|
| Boiling Point | 516.9±45.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 280.5±25.2 °C |
| Exact Mass | 182.021530 |
| PSA | 94.83000 |
| LogP | 1.60 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.666 |
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 5-Hydroxyisophthalic acid?
The CAS number of 5-Hydroxyisophthalic acid is 618-83-7.
What are the molecular formula and molecular weight of 5-Hydroxyisophthalic acid?
5-Hydroxyisophthalic acid has molecular formula C8H6O5 and molecular weight 182.130 g/mol.
Which suppliers offer 5-Hydroxyisophthalic acid?
1 supplier(s) listed; request a quote for pricing.
Is 5-Hydroxyisophthalic acid hazardous?
5-Hydroxyisophthalic 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-Hydroxyisophthalic acid?
For 5-Hydroxyisophthalic acid, Upstream Products: Dimethyl 5-hydroxyisophthalate, Isophthalic acid, 5-Aminoisophthalic acid; Downstream Products: 3,5-Bis(trifluoromethyl)anisole, 3,5-Bis(trifluoromethyl)phenol, 5-Methoxyisophthalic acid.
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-Hydroxyisophthalic acid (CAS 618-83-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15847-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.