Sodium metabisulphite ≥97 %, extra pure

Empirical formula Na₂S₂O₅
Molar mass (M) 190,11 g/mol
Density (D) 2,36
Melting point (mp)150 °C (dec.)
Solubility 650 g/l (H₂O, 20 °C)
WGK 1
CAS No.[7681-57-4]
EG-Nr. 231-673-0

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Hazard statements

H302 Harmful if swallowed
H318 Causes serious eye damage

Precautions - prevention

P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves / protective clothing / eye protection / face protection.

Precautions - response

P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for a long period of time
amount of minutes; remove contact lenses, if possible; keep rinsing.
P310 Immediately call a POISON CENTER / doctor.

Supplemental Hazard Information

EUH031 Contact with acids liberates toxic gas.