Sodium nitroprusside dihydrate ≥99%, dark brown solid

Supplier: MP Biomedicals
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Synonyms: Sodium pentacyanonitrosylferrate(III) dihydrate, Sodium nitrosopentacyanoferrate (III) dihydrate, Sodium nitroferricyanide(III) dihydrate, Disodium pentacyanonitrosylferrate (III) dihydrate, Sodium nitroferricyanide dihydrate

0215206190 0215206125 0215206180
ICNA0215206190EA 965 SGD
ICNA0215206190 ICNA0215206125 ICNA0215206180
Sodium nitroprusside dihydrate ≥99%, dark brown solid
Sodium nitroprusside dihydrate

Sodium nitroprusside dihydrate reagent used for chromatographic detection of peptides containing cystine. Also liberates nitric oxide in biological systems.


Sodium nitroprusside dihydrate was used in the digital image analysis for the determination of products of simple colorimetric tests for amphetamine and methylamphetamine.


Sodium nitroprusside dihydrate (Disodium pentacyanonitrosylferrate(2-)dihydrate, SNP) molecule contains a ferrous ion in the center, which is surrounded by five cyanide groups and a nitrosyl group. Sodium nitroprusside has clinical applications. It acts as a rapid-acting vasodilator. It is also widely employed as nitric oxide (NO) donor in various experimental models. Two metastable states of sodium nitroprusside dihydrate, Na2[Fe(CN)5NO]·2H2O have been identified and their geometries have been studied by X-ray diffraction.

Formula: Na₂[Fe(CN)₅NO]·2H₂O
MW: 297,95 g/mol
Density: 1,72 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149192
CAS Number: 13755-38-9
EINECS: 238-373-9
UN: 1588
ADR: 6.1,III
Merck Index: 13,08722

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