1-PYRENEBUTYRIC ACID Chemical Properties

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)

form 

Crystalline Powder

pka

4.76±0.10(Predicted)

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

Hazard Codes 

Xi

Risk Statements 

36/37/38-50

Safety Statements 

26-36-61

RIDADR 

UN 3077 9/PG 3

WGK Germany 

3

TSCA 

Yes

HS Code 

2916 39 90

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

1-PYRENEBUTYRIC ACID Usage And Synthesis

Chemical Properties

Pale yellow or yellow-beige crystalline powder

Uses

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.]

1-PYRENEBUTYRIC ACID(3443-45-6)Related Product Information

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• GAMMA-OXO-1-PYRENEBUTYRIC ACID,GAMMA-OXO-1-PYRENEBUTYRIC ACID, TECH.,γ-oxo-1-pyrenebutyric acid