![Molecular structure of 4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid (CAS 5748-42-5)](/images/chem_structures_svg/073/5748-42-5.svg)
4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid
Also known as: 4-(4-tert-butylphenyl)benzoic acid, 4-tert-Butyl-biphenyl-4'-carbonsaeure, MFCD01631300, 4'-tert-butyl-4-biphenylcarboxylic acid, 4-tert-butylbiphenyl-4'-carboxylic acid
4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid (CAS 5748-42-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H18O2 and a molecular weight of 254.32400 g/mol. Key properties include a melting point of 270 °C (dec.)(lit.), a boiling point of 392.9ºC at 760 mmHg, a density of 1.087g/cm3 and a flash point of 185.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5748-42-5
- Jingsj CID
- J-1020901-5
- Molecular Formula
- C17H18O2
- Molecular Weight
- 254.32400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 392.9ºC at 760 mmHg |
| Density | 1.087g/cm3 |
| Flash Point | 185.4ºC |
| Exact Mass | 254.13100 |
| PSA | 37.30000 |
| LogP | 4.34930 |
| Refractive Index | 1.564 |
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'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid?
The CAS number of 4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid is 5748-42-5.
What are the molecular formula and molecular weight of 4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid?
4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid has molecular formula C17H18O2 and molecular weight 254.32400 g/mol.
What are the upstream and downstream products of 4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid?
For 4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid, Upstream Products: Biphenyl, 4-tert-butylbiphenyl, 4-Bromobenzoic 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. "4'-tert-Butyl[1,1'-biphenyl]-4-carboxylic acid (CAS 5748-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1020901-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.