Sodium Metabisulphite 96.5% Extrapure
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CAS :
7681-57-4
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REF :
26489
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| QUANTITY |
PRICE |
ENQUIRY |
|
500 gm |
Rs
280.00
|
|
|
5 kg |
Rs
1880.00
|
|
- Formula: Na₂S₂O₅
- CAS: 7681-57-4
- EC No.: 231-673-0
- M (Molar Mass): 190.11 g/mol
- D (Density): 1.48 g/cm³
- mp (Melting Point): >150 °C (decomposes)
- bp (Boiling Point): Not applicable
- Optical Rotation: Not applicable
- Assay (Iodometric): ≥ 96.5 %
- Appearance: White crystalline powder or granules.
- Identification (SO₂ evolution): Passes test.
- Solubility: Soluble in water.
- Chloride (Cl): ≤ 0.01 %
- Heavy Metals (as Pb): ≤ 10 ppm
- Iron (Fe): ≤ 10 ppm
- Hazard: May cause allergy or asthma symptoms or breathing difficulties if inhaled. Harmful if swallowed. Causes skin irritation.
- Safety: Avoid breathing dust. Use only in well-ventilated areas. Wear protective gloves and eye protection.
- Storage: Store in a tightly closed container in a cool, dry, well-ventilated place away from oxidizing agents.