Sodium metasilicate pentahydrate, pure

Empirical formula Na₂SiO₃ · 5 H₂O
Molar mass (M) 212,16 g/mol
Melting point (mp)72 °C
ADR 8 III • WGK 1
CAS No.[10213-79-3]
EG-Nr. 229-912-9 • UN-Nr. 3253

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Hazard statements

H314 Causes severe burns and eye damage.
H335 May cause respiratory irritation.

Precautions - prevention

P260 Do not breathe dust.
P280 Protective gloves / protective
Wear clothing / eye protection / face protection.

Precautions - response

P303 + P361 + P353 IF ON SKIN (or hair): Immediately contaminate clothing
pull out. Rinse skin with water / shower.
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