3,3,3-Triphenylpropionic acid
3,3,3-三苯基丙酸
Also known as: Tritylacetic acid, 3,3,3-Triphenylpropanoic acid, 2-Triphenylmethylacetic acid, 2-Tritylacetic acid, NSC131292, MFCD00002713
3,3,3-Triphenylpropionic acid (CAS 900-91-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H18O2 and a molecular weight of 302.366 g/mol. It is also known as Tritylacetic acid, 3,3,3-Triphenylpropanoic acid and 2-Triphenylmethylacetic acid. Key properties include a melting point of 179-183 °C, a boiling point of 433.6±14.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 330.3±15.2 °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.
- 900-91-4
- Jingsj CID
- J-1511657-6
- Molecular Formula
- C21H18O2
- Chinese Name
- 3,3,3-三苯基丙酸
- Molecular Weight
- 302.366 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 179-183 °C |
|---|---|
| Boiling Point | 433.6±14.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 330.3±15.2 °C |
| Exact Mass | 302.130676 |
| PSA | 37.30000 |
| LogP | 5.07 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.611 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 3,3,3-Triphenylpropionic acid?
The CAS number of 3,3,3-Triphenylpropionic acid is 900-91-4.
What are the molecular formula and molecular weight of 3,3,3-Triphenylpropionic acid?
3,3,3-Triphenylpropionic acid has molecular formula C21H18O2 and molecular weight 302.366 g/mol.
Is 3,3,3-Triphenylpropionic acid hazardous?
3,3,3-Triphenylpropionic 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 3,3,3-Triphenylpropionic acid?
For 3,3,3-Triphenylpropionic acid, Upstream Products: Triphenylmethanol, Triphenylmethyl chloride, Bromotriphenylmethane; Downstream Products: 2,3-Diphenyl-1-indenone, Benzenepropanenitrile, β,β-diphenyl-.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3,3-Triphenylpropionic acid (CAS 900-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511657-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.