4-FLUORENECARBOXYLIC ACID TECH. 90 Property

Melting point:

179-182 °C (lit.)

Boiling point:

307.41°C (rough estimate)

Density 

1.1597 (rough estimate)

refractive index 

1.5681 (estimate)

pka

3.97±0.20(Predicted)

Water Solubility 

Insoluble in water.

BRN 

2050637

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-37/39-36/37/39-27

WGK Germany 

3

HazardClass 

IRRITANT

HS Code 

29163990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

4-FLUORENECARBOXYLIC ACID TECH. 90 Chemical Properties,Usage,Production

Chemical Properties

beige powder

Uses

Fluorene-4-carboxylic acid is used in pharmaceutical industry.

General Description

The structures of two phases of fluorene-4-carboxylic acid from room-temperature growths were studied.