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901903

Sigma-Aldrich

Sodium nitrite

anhydrous, Redi-Dri, ReagentPlus®, ≥99.0%

Linear Formula:
NaNO2
CAS Number:
Molecular Weight:
69.00
MDL number:
NACRES:
NA.21

grade

anhydrous

vapor pressure

<0.0001 hPa ( 25 °C)

product line

ReagentPlus®
Redi-Dri

Assay

≥99.0%

form

powder

autoignition temp.

914 °F

pH

9

mp

271 °C (lit.)

SMILES string

[Na+].[O-]N=O

InChI

1S/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1

InChI key

LPXPTNMVRIOKMN-UHFFFAOYSA-M

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This Item
799351238597900506
Sodium nitrite anhydrous, Redi-Dri&#8482;, ReagentPlus&#174;, &#8805;99.0%

Sigma-Aldrich

901903

Sodium nitrite

Sodium nitrate anhydrous, free-flowing, Redi-Dri&#8482;, ReagentPlus&#174;, &#8805;99%

Sigma-Aldrich

799351

Sodium nitrate

Sodium sulfate ACS reagent, &#8805;99.0%, anhydrous, powder

Sigma-Aldrich

238597

Sodium sulfate

Sodium bicarbonate anhydrous, free-flowing, Redi-Dri&#8482;, ReagentPlus&#174;, &#8805;99.5%

Sigma-Aldrich

900506

Sodium bicarbonate

vapor pressure

<0.0001 hPa ( 25 °C)

vapor pressure

-

vapor pressure

-

vapor pressure

-

assay

≥99.0%

assay

≥99%

assay

≥99.0%

assay

≥99.5%

form

powder

form

powder

form

powder

form

powder

pH

9

pH

5.5-8 (20 °C, 50 g/L)

pH

5.2-9.2 (25 °C, 5% in water)

pH

-

mp

271 °C (lit.)

mp

306 °C (dec.) (lit.)

mp

884 °C (lit.)

mp

-

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Ox. Sol. 3

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Edward H Oldfield et al.
Journal of neurosurgery, 119(3), 634-641 (2013-05-28)
Intravenous sodium nitrite has been shown to prevent and reverse cerebral vasospasm in a primate model of subarachnoid hemorrhage (SAH). The present Phase IIA dose-escalation study of sodium nitrite was conducted to determine the compound's safety in humans with aneurysmal
Lucas C Pinheiro et al.
Free radical biology & medicine, 53(4), 701-709 (2012-06-23)
The new pathway nitrate-nitrite-nitric oxide (NO) has emerged as a physiological alternative to the classical enzymatic pathway for NO formation from l-arginine. Nitrate is converted to nitrite by commensal bacteria in the oral cavity and the nitrite formed is then
Paul J Shami et al.
Journal of medicinal chemistry, 49(14), 4356-4366 (2006-07-11)
The literature provides evidence that metabolic nitric oxide (NO) release mediates the cytotoxic activities (against human leukemia and prostate cancer xenografts in mice) of JS-K, a compound of structure R(2)N-N(O)=NO-Ar for which R(2)N is 4-(ethoxycarbonyl)piperazin-1-yl and Ar is 2,4-dinitrophenyl. Here
Peter J Rix et al.
Clinical pharmacokinetics, 54(3), 261-272 (2014-11-26)
The efficacy of nebulized sodium nitrite (AIR001) has been demonstrated in animal models of pulmonary arterial hypertension (PAH), but it was not known if inhaled nitrite would be well tolerated in human subjects at exposure levels associated with efficacy in
Rustem F Dautov et al.
Nitric oxide : biology and chemistry, 40, 36-44 (2014-05-27)
Previous studies in non-human blood vessels and in platelets have demonstrated that under hypoxic conditions release of NO from nitrite (NO2(-)) is potentiated by deoxyhaemoglobin. In the current study, we characterized hypoxic potentiation of NO2(-) effects in human vasculature and

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