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Sodium Metasilicate

Hazardous Classification (according to GHS)

HAZARDOUS

CAS Number

10213-79-3

Signal Word

DANGER

Hazard Pictograms

GHS05 - Corrosion - Corrosive chemicals, may cause severe skin and eye damage and may be corrosive to metals. — GHS05 – Corrosion – Corrosive chemicals, may cause severe skin and eye damage and may be corrosive to metals.

GHS07 - Exclamation mark - Low level toxicity. This includes respiratory, skin, and eye irritation, skin sensitisers and chemicals harmful if swallowed, inhaled or in contact with skin. — GHS07 – Exclamation mark – Low level toxicity. This includes respiratory, skin, and eye irritation, skin sensitisers and chemicals harmful if swallowed, inhaled or in contact with skin.

Hazard Statements & Categories

H290 May be corrosive to metals (Class: Corrosive to metals, Category 1)
H302 Harmful if swallowed (Class: Acute Toxicity – Oral, Category 4)
H314 Causes severe skin burns and eye damage (Class: Corrosion/irritation – Skin, Category 1B)
H318 Causes serious eye damage (Class: (Corrosion) Damage/irritation – Eye, Category 1)
H335 May cause respiratory irritation (Class: Specific Target Organ Toxicity – respiratory irritation – Single exposure, Category 3)

Dangerous Goods for Transport (according to ADG)

Classed as Dangerous Goods for Transport

Corrosive 8
Proper Shipping Name: DISODIUM TRIOXOSILICATE

Other names

Silicic acid (H2SiO3), disodium salt, pentahydrate

What It Does

Not entered.

Notes

Not entered

Information Sources

https://chemicalsafety.com/sds-search/
https://redox.com/
https://www.dksh.com/au-en/home
https://en.wikipedia.org/wiki/Sodium_metasilicate

Last Updated

October 13, 2025

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