
Sodium Nitroprusside (SNP) Nipride [ CAS: 13755-38-9 ] - 1000g
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Description
Sodium Nitroprusside (SNP)
Other Names: Nipride, Sodium nitroferricyanide, Nitroprusside sodium salt
Chemical Formula: Na₂[Fe(CN)₅NO]·2H₂O
Molar Mass: 297.95 g/mol
CAS Number: 14402-89-2
Appearance: Reddish-brown to dark red crystalline powder
Odor: Odorless
Physical and Chemical Properties
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Solubility in Water: Very soluble
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Solubility in Other Solvents: Slightly soluble in alcohol
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Melting Point: Decomposes before melting
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Stability: Sensitive to light and moisture — decomposes when exposed to sunlight
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Storage Conditions: Store in airtight, light-resistant containers under dry conditions
Applications
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Analytical Chemistry: Used as a colorimetric reagent for detecting ketones, aldehydes, and sulfides
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Chemical Synthesis: Applied in redox reactions and photochemical studies
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Coordination Chemistry: Model compound for nitrosyl iron complexes
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Water Testing: Indicator for cyanide and other analytes in water quality assessments
Safety Information
Signal Word: ⚠️ Warning
P264, P270, P301+P316, P321, P330, P405, and P501
Environmental Considerations
Sodium nitroprusside is very toxic to aquatic organisms and may cause long-lasting effects. Prevent release into waterways and ensure proper disposal as hazardous chemical waste.