POTASSIUM (POLY)SULFIDE Property

Melting point:

200 °C

Flash point:

>200 °C

storage temp. 

Flammables area

EPA Substance Registry System

Potassium polysulfide (37199-66-9)

Safety

Hazard Codes 

C,N

Risk Statements 

31-34-50

Safety Statements 

26-45-61

RIDADR 

3200

WGK Germany 

2

RTECS 

TT5950000

HazardClass 

4.2

PackingGroup 

I

HS Code 

28309085

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H252Self-heating in large quantities; may catch fire

H314Causes severe skin burns and eye damage

H335May cause respiratory irritation

H400Very toxic to aquatic life

Precautionary statements

P235Keep cool.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

POTASSIUM (POLY)SULFIDE Chemical Properties,Usage,Production

Chemical Properties

Ochre to brown lumps

Uses

Potassium polysulfide shows high aqueous solubility and can act as high energy density half-cells for secondary electrochemical storage systems. It can be used as a sulfur source for synthesizing sulfur nanoparticles.

Uses

Fungicide.

Hazard

Moderate fire risk. Toxic by ingestion, irri- tant to skin and eyes.