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Sodium Bisulfite ( NaHSO3 ) bisulphite hydrogen sulfite Solution 40% - 100ml
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 bisulphite hydrogen sulfite Solution 40% - 100ml "Pin It")
Description
Sodium Bisulfite Solution 40%
Other Names: Sodium hydrogen sulfite, sodium bisulphite
CAS Number: 7631-90-5
Sum Formula: NaHSO₃
Molar Mass: 104.06 g/mol
Appearance: Clear to pale yellow aqueous solution with a pungent sulfur-like odor
Chemical and Physical Properties
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Density: ~1.3–1.4 g/cm³ (depending on concentration)
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Melting Point: Not applicable (liquid solution)
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Boiling Point: ~104°C (solution dependent)
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Solubility in Water: Completely miscible
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Solubility in Other Solvents: Limited data; miscible with polar solvents
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Odor: Pungent, sulfurous
Applications
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Chemical Industry: Used in reduction reactions and as a sulfonation agent
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Water Treatment: Employed for dechlorination of drinking and wastewater
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Pulp and Paper Industry: Utilized in bleaching and delignification processes
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Analytical Chemistry: Applied as a mild reducing agent
Safety
Signal Word: Warning
P264, P270, P301+P317, P330, and P501
Handling and Storage
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Storage Conditions: Store in a tightly closed, corrosion-resistant container in a cool, well-ventilated area
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Handling Precautions: Avoid contact with skin and eyes. Ensure proper ventilation and prevent release into the environment