POTASSIUM META BISULPHITE AR

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0169600500	AR	96%	16731-55-8	K₂S₂O₅	222.31	2832.2010	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

3-4.5 at 22.2 g/l at 25 °C

Melting Point/ Freezing point [°C]

150°C

Decomposition point [°C]

150°C

Vapour density

2.3

Density [g/cm3]

2.34

Viscosity at 40°C [mm2/s]

22.2 g/l at 20 °C

Solubility in water [% weight]

22.2 g/l at 20 °C

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338