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71778

Sigma-Aldrich

Sodium nitroprusside dihydrate

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

Synonym(s):

Nitroprusside sodium, SNP, Sodium nitroferricyanide, Sodium pentacyanonitrosylferrate

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About This Item

Linear Formula:
Na2[Fe(CN)5NO] · 2H2O
CAS Number:
13755-38-9
Molecular Weight:
297.95
EC Number:
238-373-9
MDL number:
MFCD00149192
UNSPSC Code:
12352300
PubChem Substance ID:
329763522
NACRES:
NB.24

grade

ACS reagent
puriss. p.a.

Agency

reag. Ph. Eur.
suitable for SM 4500 - NH3

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

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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.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Diffraction studies of photoexcited crystals: Metastable nitrosyl-linkage isomers of sodium nitroprusside.
Carducci MD, et al.
Journal of the American Chemical Society, 119(11), 2669-2678 (1997)
M Chiusa et al.
European journal of histochemistry : EJH, 56(2), e15-e15 (2012-06-13)
Sodium nitroprusside (SNP) is used clinically as a rapid-acting vasodilator and in experimental models as donor of nitric oxide (NO). High concentrations of NO have been reported to induce cardiotoxic effects including apoptosis by the formation of reactive oxygen species.
Aamer Sandoo et al.
Arthritis research & therapy, 13(3), R99-R99 (2011-06-23)
Patients with rheumatoid arthritis (RA) are at an increased risk for cardiovascular disease (CVD). One of the earliest manifestations of CVD is endothelial dysfunction (ED). ED can occur in both the microcirculation and the macrocirculation, and these manifestations might be
Mariko Takahashi et al.
Science signaling, 12(564) (2019-01-17)
Zymosan is a glucan that is a component of the yeast cell wall. Here, we determined the mechanisms underlying the zymosan-induced accumulation of neutrophils in mice. Loss of the receptor CD300b reduced the number of neutrophils recruited to dorsal air
Jae Hyung Kim et al.
Journal of applied physiology (Bethesda, Md. : 1985), 107(4), 1249-1257 (2009-08-08)
There is increasing evidence that upregulation of arginase contributes to impaired endothelial function in aging. In this study, we demonstrate that arginase upregulation leads to endothelial nitric oxide synthase (eNOS) uncoupling and that in vivo chronic inhibition of arginase restores
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