1-Pyrenebutyric acid
Also known as: 1-Pyrenebutanoic acid, 1-Pyrenebutyrate, 1-Pyrenylbutyric acid, 4-(1-Pyrenyl)butanoic acid, 4-(Pyren-1-yl)butanoic acid, Pyrene-1-butyric acid, Pyrene-3-butyric acid, PyBA
1-Pyrenebutyric acid (CAS 3443-45-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H16O2 and a molecular weight of 288.340 g/mol. Key properties include a melting point of 184-186 °C(lit.), a boiling point of 515.9±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 412.3±16.6 °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.
- 3443-45-6
- Jingsj CID
- J-33884-1
- Molecular Formula
- C20H16O2
- Molecular Weight
- 288.340 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184-186 °C(lit.) |
|---|---|
| Boiling Point | 515.9±19.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 412.3±16.6 °C |
| Exact Mass | 288.115021 |
| PSA | 37.30000 |
| LogP | 5.37 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.775 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Wang L, et, al. Fluorescence determination of DNA with 1-pyrenebutyric acid nanoparticles coated with beta-cyclodextrin as a fluorescence probe. Spectrochim Acta A Mol Biomol Spectrosc. 2005 Apr;61(6):1201-5. [2]. Hinnemo M, et, al. On Monolayer Formation of Pyrenebutyric Acid on Graphene. Langmuir. 2017 Apr 18;33(15):3588-3593. |
|---|
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 1-Pyrenebutyric acid?
The CAS number of 1-Pyrenebutyric acid is 3443-45-6.
What are the molecular formula and molecular weight of 1-Pyrenebutyric acid?
1-Pyrenebutyric acid has molecular formula C20H16O2 and molecular weight 288.340 g/mol.
Is 1-Pyrenebutyric acid hazardous?
1-Pyrenebutyric 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 1-Pyrenebutyric acid?
For 1-Pyrenebutyric acid, Upstream Products: 4-Oxo-4-(1-pyrenyl)butanoic acid, Pyrene, 1-Pyreneacetic acid; Downstream Products: 1-Pyrenebutyric hydrazide, 9,10-Dihydrobenzo[a]pyren-7(8H)-one, Benzo(a)pyrene.
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-Pyrenebutyric acid (CAS 3443-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33884-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.