![Molecular structure of [1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 921619-89-8)](/images/chem_structures_svg/279/921619-89-8.svg)
[1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid
Also known as: p-Terphenyl-3,3'',5,5''-tetracarboxylic acid, p-Terphenyl-3,5,3',5'-tetracarboxylic acid, H4TPTC
[1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 921619-89-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H14O8 and a molecular weight of 406.34200 g/mol. Key property: a density of 1.504±0.06 g/cm3. It is classified under GHS with signal word Danger and hazard statements H319 — Causes serious eye irritation and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 921619-89-8
- Jingsj CID
- J-1095349-8
- Molecular Formula
- C22H14O8
- Molecular Weight
- 406.34200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.504±0.06 g/cm3 |
|---|---|
| Exact Mass | 406.06900 |
| PSA | 149.20000 |
| LogP | 3.81340 |
| Additional Property | Practically insoluble (0.019 g/L) (25 ºC) |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of [1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid?
The CAS number of [1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid is 921619-89-8.
What are the molecular formula and molecular weight of [1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid?
[1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid has molecular formula C22H14O8 and molecular weight 406.34200 g/mol.
Is [1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid hazardous?
[1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid has GHS signal word Danger and hazard statements H319 — Causes serious eye irritation; H410 — Very toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "[1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 921619-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1095349-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.