3,4,9,10-Perylenetetracarboxylic dianhydride
Also known as: PTCDA, Perylene-3,4,9,10-tetracarboxylic dianhydride, Perylenetetracarboxylic dianhydride, Perylo[3,4-cd:9,10-c'd']dipyran-1,3,8,10-tetrone, Pigment Red 224, C.I.Pigment Red 224, Anthra[2,1,9-def:6,5,10-d'e'f']diisochromene-1,3,8,10-tetraone, Perylenetetracarboxydianhydride, Per acid, 3,4,9,10-Perylenedianhydride
3,4,9,10-Perylenetetracarboxylic dianhydride (CAS 128-69-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H8O6 and a molecular weight of 392.32 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 755.8±33.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 329.9±25.4 °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 Nov 3, 2026.
- CAS No.
- 128-69-8
- Jingsj CID
- J-29829-0
- Molecular Formula
- C24H8O6
- Molecular Weight
- 392.32 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 755.8±33.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 329.9±25.4 °C |
| Exact Mass | 392.032074 |
| PSA | 86.74000 |
| LogP | 3.01 |
| Vapor Pressure | 0.0±2.5 mmHg at 25°C |
| Refractive Index | 1.973 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. F.S. Tautz, et al. Structure and bonding of large aromatic molecules on noble metal surfaces: The example of PTCDA. Progress in Surface Science. Volume 82, Issues 9-12, 2007, Pages 479-520. |
|---|
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3,4,9,10-Perylenetetracarboxylic dianhydride?
The CAS number of 3,4,9,10-Perylenetetracarboxylic dianhydride is 128-69-8.
What are the molecular formula and molecular weight of 3,4,9,10-Perylenetetracarboxylic dianhydride?
3,4,9,10-Perylenetetracarboxylic dianhydride has molecular formula C24H8O6 and molecular weight 392.32 g/mol.
Is 3,4,9,10-Perylenetetracarboxylic dianhydride hazardous?
3,4,9,10-Perylenetetracarboxylic dianhydride 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 3,4,9,10-Perylenetetracarboxylic dianhydride?
For 3,4,9,10-Perylenetetracarboxylic dianhydride, Upstream Products: Pigment Red 179; Downstream Products: perylene, Pigment Red 179, N,N'-Bis(3,5-dimethylphenyl)-3,4,9,10-perylenetetracarboxylic diimide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,9,10-Perylenetetracarboxylic dianhydride (CAS 128-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29829-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.