Diphenolic acid
Also known as: 4,4-Bis(4-hydroxyphenyl)pentanoic acid, 4,4-Bis(p-hydroxyphenyl)valeric acid, 4,4-bis(4-hydroxyphenyl)valeric acid, Benzenebutanoic acid, 4-hydroxy-γ-(4-hydroxyphenyl)-γ-methyl-, EINECS 204-763-2, MFCD00002800
Diphenolic acid (CAS 126-00-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H18O4 and a molecular weight of 286.322 g/mol. Key properties include a melting point of 167-170 °C(lit.), a boiling point of 507.0±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 274.5±23.8 °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.
- 126-00-1
- Jingsj CID
- J-35328-6
- Molecular Formula
- C17H18O4
- Molecular Weight
- 286.322 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 167-170 °C(lit.) |
|---|---|
| Boiling Point | 507.0±40.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 274.5±23.8 °C |
| Exact Mass | 286.120514 |
| PSA | 77.76000 |
| LogP | 2.89 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.612 |
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 Diphenolic acid?
The CAS number of Diphenolic acid is 126-00-1.
What are the molecular formula and molecular weight of Diphenolic acid?
Diphenolic acid has molecular formula C17H18O4 and molecular weight 286.322 g/mol.
Is Diphenolic acid hazardous?
Diphenolic 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 Diphenolic acid?
For Diphenolic acid, Upstream Products: Ethyl levulinate, Phenol, Levulinic 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. "Diphenolic acid (CAS 126-00-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35328-6 (accessed 2026-11-10).
Data for reference only; verify product details with suppliers before purchase.