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Sodium Saccharinate Dihydrate
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Description
Sodium Saccharinate Dihydrate
Other Names: Sodium saccharin dihydrate, Benzoic sulfimide sodium salt dihydrate
CAS Number: 6155-57-3
Sum Formula: C₇H₄NNaO₃S · 2H₂O
Molar Mass: 241.19 g/mol
Appearance: White crystalline powder
Sodium saccharinate dihydrate is the hydrated sodium salt form of saccharin, a synthetic aromatic sulfonimide. It is a chemically stable, non-reactive compound primarily used in technical formulations, electroplating baths, industrial cleaning agents, and laboratory reagents, where a stable, water-soluble organic sulfonate is needed.
Chemical and Physical Properties
Density: ~1.83 g/cm³
Melting Point: ~226°C (decomposes)
Solubility in Water: High (~430 g/L at 20°C)
Solubility in Organic Solvents: Slightly soluble in ethanol, insoluble in non-polar solvents
Odor: Odorless
Stability: Stable under standard conditions; hygroscopic
Form: Crystalline powder
Applications
Used in electroplating solutions (e.g., as a brightener in nickel plating)
Applied in laboratory chemistry as a reference sulfonamide compound
Utilized in technical formulations requiring non-reactive organic sulfonates
Sometimes used as a tracer or non-nutritive organic additive in R&D
Applicable in corrosion inhibition systems and specialty cleaners
Safety
Not Classified
First Aid Measures
Eye Contact: Rinse immediately with water for at least 15 minutes. Seek medical advice
Skin Contact: Wash with soap and water. Remove contaminated clothing
Inhalation: Move to fresh air. Seek medical help if respiratory symptoms develop
Ingestion: Rinse mouth with water. Seek medical advice if discomfort occurs
Handling and Storage
Store in a tightly sealed container in a dry, cool, well-ventilated area
Avoid moisture uptake and direct sunlight
Use appropriate PPE to prevent dust exposure