Difference between revisions of "Sodium nitroprusside"
From Sciencemadness Wiki
(Created page with "{{Chembox | Name = Sodium nitroprusside | Reference = | IUPACName = Sodium nitroprusside | PIN = | SystematicName = | OtherNames = Nipride<br>Nitropress<br>Sodium nitroferricy...") |
(→Relevant Sciencemadness threads) |
||
| (4 intermediate revisions by the same user not shown) | |||
| Line 7: | Line 7: | ||
| OtherNames = Nipride<br>Nitropress<br>Sodium nitroferricyanide<br>Sodium pentacyanonitrosylferrate | | OtherNames = Nipride<br>Nitropress<br>Sodium nitroferricyanide<br>Sodium pentacyanonitrosylferrate | ||
<!-- Images --> | <!-- Images --> | ||
| − | | ImageFile = | + | | ImageFile = Sodium nitroprusside bottle and sample.jpg |
| − | | ImageSize = | + | | ImageSize = 300 |
| ImageAlt = | | ImageAlt = | ||
| ImageName = | | ImageName = | ||
| + | | ImageCaption = Sodium nitroprusside sample | ||
| ImageFile1 = | | ImageFile1 = | ||
| ImageSize1 = | | ImageSize1 = | ||
| Line 47: | Line 48: | ||
| Section2 = {{Chembox Properties | | Section2 = {{Chembox Properties | ||
| AtmosphericOHRateConstant = | | AtmosphericOHRateConstant = | ||
| − | | Appearance = | + | | Appearance = Dark reddish-orange solid |
| BoilingPt = | | BoilingPt = | ||
| BoilingPtC = | | BoilingPtC = | ||
| Line 65: | Line 66: | ||
| pKb = | | pKb = | ||
| Solubility = 10 g/100 ml (20 °C) | | Solubility = 10 g/100 ml (20 °C) | ||
| − | | SolubleOther = | + | | SolubleOther = Slightly soluble in [[Dimethylformamide|DMF]], [[Hexamethylphosphoramide|HMPA]]<br>Insoluble in [[Hydrogen sulfide|H<sub>2</sub>S]], hydrocarbons |
| Solvent = | | Solvent = | ||
| VaporPressure = ~0 mmHg | | VaporPressure = ~0 mmHg | ||
| Line 112: | Line 113: | ||
==Properties== | ==Properties== | ||
===Chemical=== | ===Chemical=== | ||
| − | Sodium nitropruside decomposes to sodium ferrous ferrocyanide, sodium ferrocyanide, nitric oxide, and [[cyanogen]] at | + | Sodium nitropruside decomposes to sodium ferrous ferrocyanide, sodium ferrocyanide, [[nitric oxide]], and [[cyanogen]] at temperatures around 450 °C. |
It decomposes in aqueous acid to liberate [[hydrogen cyanide]] (HCN). | It decomposes in aqueous acid to liberate [[hydrogen cyanide]] (HCN). | ||
===Physical=== | ===Physical=== | ||
| − | Sodium nitropruside is a dark red solid, soluble in water. | + | Sodium nitropruside is a dark red solid, soluble in water. |
==Availability== | ==Availability== | ||
| Line 123: | Line 124: | ||
==Preparation== | ==Preparation== | ||
| − | Sodium nitroprusside can be synthesized by digesting a solution of potassium ferrocyanide in water with nitric acid, followed by neutralization with sodium carbonate | + | Sodium nitroprusside can be synthesized by digesting a solution of [[potassium ferrocyanide]] in water with [[nitric acid]], followed by neutralization with [[sodium carbonate]]. |
==Projects== | ==Projects== | ||
| Line 148: | Line 149: | ||
[[Category:Iron compounds]] | [[Category:Iron compounds]] | ||
[[Category:Cyanides]] | [[Category:Cyanides]] | ||
| + | [[Category:Nitrosyl compounds]] | ||
[[Category:Polyatomic ions]] | [[Category:Polyatomic ions]] | ||
[[Category:Coordination complexes]] | [[Category:Coordination complexes]] | ||
[[Category:Cyanide complexes]] | [[Category:Cyanide complexes]] | ||
Latest revision as of 19:26, 31 December 2020
 Sodium nitroprusside sample
| |
| Names | |
|---|---|
| IUPAC name
Sodium nitroprusside
| |
| Other names
Nipride
Nitropress Sodium nitroferricyanide Sodium pentacyanonitrosylferrate | |
| Properties | |
| C5FeN6Na2O Na2[Fe(CN)5NO] | |
| Molar mass | 261.918 g/mol |
| Appearance | Dark reddish-orange solid |
| Odor | Odorless |
| Density | 1.72 g/cm3 |
| Melting point | 450 °C (842 °F; 723 K) (decomposes) |
| Boiling point | Decomposes |
| 10 g/100 ml (20 °C) | |
| Solubility | Slightly soluble in DMF, HMPA Insoluble in H2S, hydrocarbons |
| Vapor pressure | ~0 mmHg |
| Hazards | |
| Safety data sheet | LabChem |
| Flash point | Non-flammable |
| Lethal dose or concentration (LD, LC): | |
| LD50 (Median dose)
|
43 mg/kg (mouse, oral) 300 mg/kg (rat, oral) |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Sodium nitroprusside or SNP is a chemical compound, often encountered as dihydrate. It is sold under the brand name Nitropress among others as a medication used to lower blood pressure.
Contents
Properties
Chemical
Sodium nitropruside decomposes to sodium ferrous ferrocyanide, sodium ferrocyanide, nitric oxide, and cyanogen at temperatures around 450 °C.
It decomposes in aqueous acid to liberate hydrogen cyanide (HCN).
Physical
Sodium nitropruside is a dark red solid, soluble in water.
Availability
It is sold by lab suppliers.
Preparation
Sodium nitroprusside can be synthesized by digesting a solution of potassium ferrocyanide in water with nitric acid, followed by neutralization with sodium carbonate.
Projects
- Detection of methyl ketones, amines, and thiols
Handling
Safety
Sodium nitroprusside has low toxicity.
Storage
Sodium nitroprusside should be kept in plastic bottles.
Disposal
Can be neutralized with bleach.
