1,3,6,8-Pyrenetetrasulphonic acid Property

Density 

2.064±0.06 g/cm3(Predicted)

pka

-1.71±0.30(Predicted)

EPA Substance Registry System

1,3,6,8-Pyrenetetrasulfonic acid (6528-53-6)

Safety

HS Code 

2904100090

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

1,3,6,8-Pyrenetetrasulphonic acid Chemical Properties,Usage,Production

Purification Methods

Crystallise the tetrasulfonic acid from water. The tetra-Na salt crystallises also from H2O. [Tietz & Bayer Justus Liebigs Ann Chem 540 189 1939, Beilstein 11 III 486.]