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71778 Sigma-Aldrich

Sodium nitroprusside dihydrate

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99%

Synonym: Nitroprusside sodium, SNP, Sodium nitroferricyanide, Sodium pentacyanonitrosylferrate

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a. ACS,
Quality Level   200
grade   ACS reagent
Agency/Method   reag. Ph. Eur.
grade   puriss. p.a.
assay   ≥99%
form   crystals or chunks
solubility   water: soluble(lit.)
anion traces   chloride (Cl-): ≤100 mg/kg
  hexacyanoferrate(II) ([Fe(CN)6]4-): ≤200 mg/kg
  hexacyanoferrate(III) ([Fe(CN)6]3-): ≤100 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤50 mg/kg
  Cu: ≤5 mg/kg
  K: ≤3000 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤50 mg/kg
SMILES string   O.O.[Na+].[Na+].O=N[Fe--](C#N)(C#N)(C#N)(C#N)C#N
InChI   1S/5CN.Fe.NO.2Na.2H2O/c5*1-2;;1-2;;;;/h;;;;;;;;;2*1H2/q;;;;;2*-1;2*+1;;
InChI key   OIRZWVYIQXBRFC-UHFFFAOYSA-N

Description

General description

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.

Safety & Documentation

Safety Information

Symbol 
GHS06  GHS06
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3288 6.1 / PGIII
WGK Germany 
WGK 3
RTECS 
LJ8925000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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