Sodium nitroprusside
 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.
