Potassium disulphite ≥96 %, powdered

Empirical formula K₂S₂O₅
Molar mass (M) 222,33 g/mol
Density (D) 2,34
Melting point (mp)150 °C (dec.)
Solubility 450 g/l (H₂O, 20 °C)
WGK 1
CAS No.[16731-55-8]
EG-Nr. 240-795-3

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Hazard statements

H318 Causes serious eye damage.
H335 May cause respiratory irritation.

Precautions - prevention

P280 Wear protective gloves / eye protection.

Precautions - response

P304 + P340 IF INHALED: Remove to fresh air and keep at rest in a position suitable
makes breathing easier.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for a period of time
amount of minutes; remove contact lenses, if possible; keep rinsing.
P312 Call a POISON CENTER / doctor if you feel unwell.

Supplemental Hazard Information

EUH031 Contact with acids liberates toxic gas.