Potassium metabisulfite
CAS: 16731-55-8
Molecular Formula: K2S2O5
Molecular Weight: 222.3236
Product Detail
| Product Code | 55202280 | ||||
| Product Name | Potassium metabisulfite | ||||
| Categories | Building Blocks, Inorganic Chemicals, Salts | ||||
| CAS | 16731-55-8 | ||||
| Molecular Formula | K2S2O5 | ||||
| Molecular Weight | 222.3236 | ||||
| Storage Details | Ambient | ||||
| Harmonised Tariff Code | 28322000 |
Product Specification
| pH | 3.8 – 4.8 | ||||
| Na | 2% max | ||||
| Molecular Weight | 222.32 | ||||
| Assay | 97.2% min | ||||
| SO2 | 56% min | ||||
| Cl | 0.5% max | ||||
| Appearance | White powder | ||||
| Thiosulfate | 0.01% max |
Safety Information
| Pictograms |
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| Signal word | Danger | ||||
| Hazard statements | EUH031: Contact with acids liberates toxic gas
H315: Causes skin irritation H318: Causes serious eye damage H335: May cause respiratory irritation |
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| Precautionary statements | P280: Wear protective gloves/protective clothing/eye protection/face protection
P301+312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing P333+313: IF skin irritation or a rash occurs: Get medical advice/attention P337+313: If eye irritation persists get medical advice/attention |