1-PYRENEBUTYRIC ACID
Synonym(s):4-(1-Pyrenyl)butyric acid;4-(1-Pyrenyl)-butyric acid;PyBA
- CAS NO.：3443-45-6
- Empirical Formula: C20H16O2
- Molecular Weight: 288.34
- MDL number: MFCD00004141
- EINECS: 222-354-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-09 15:12:03
What is 1-PYRENEBUTYRIC ACID?
Chemical properties
Pale yellow or yellow-beige crystalline powder
The Uses of 1-PYRENEBUTYRIC ACID
1-Pyrenebutyric Acid is a fluorescent probe used to study proteins, lipids, nucleic acids and other biological systems. The fluorescence lifetime of 1-Pyrenebutyric Acid depends on local oxygen and fr ee radical concentration.
The Uses of 1-PYRENEBUTYRIC ACID
1-Pyrenebutyric Acid is a fluorescent probe used to study proteins, lipids, nucleic acids and other biological systems. The fluorescence lifetime of 1-Pyrenebutyric Acid depends on local oxygen and free radical concentration.
General Description
1-Pyrenebutyric acid (PBA) is a conjugated polymer that has a large π system and a carboxylic group. It is majorly used in surface functionalization. It has a high fluorescence efficiency and stability that make it useful in optoelectronic applications.
Purification Methods
Crystallise the butyric acid from *benzene, EtOH, EtOH/water (7:3 v/v) or *C6H6/AcOH. Dry it over P2O5. [Chu & Thomas J Am Chem Soc 108 6270 1986, Beilstein 9 IV 2731.]
Properties of 1-PYRENEBUTYRIC ACID
| Melting point: | 184-186 °C (lit.) |
| Boiling point: | 370.57°C (rough estimate) |
| Density | 1.1742 (rough estimate) |
| refractive index | 1.4800 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| pka | 4.76±0.10(Predicted) |
| form | Crystalline Powder |
| color | Pale yellow or yellow-beige |
| Water Solubility | Partially soluble in water. |
| BRN | 2140554 |
| CAS DataBase Reference | 3443-45-6(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Pyrenebutanoic acid (3443-45-6) |
Safety information for 1-PYRENEBUTYRIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1-PYRENEBUTYRIC ACID
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