sodium nitrite

• ChemBase ID: 106258
• Molecular Formular: NNaO2
• Molecular Mass: 68.99527
• Monoisotopic Mass: 68.98267253
• SMILES: [Na+].[O-]N=O
• Canonical SMILES: [O-]N=O.[Na+]
• InChI: InChI=1S/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1
• InChIKey: LPXPTNMVRIOKMN-UHFFFAOYSA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: sodium nitrite
• IUPAC Traditional name: sodium nitrite
• Synonyms: Sodium nitrite solution; Nitrite ion standard solution; Sodium nitrite, ACS; Sodium nitrite; SODIUM NITRITE USP GRADE; Sodium nitrite; Sodium nitrite preparation; Sodium nitrite solution; Nitrite, Ion chromatography standard solution, Specpure®, NO; 亚硝酸钠 溶液; 亚硝酸根离子标准溶液; 亚硝酸钠, ACS; 亚硝酸钠; 亚硝酸钠 制备; 亚硝酸钠 溶液; ? 1000 g/ml

Database IDs

• CAS Number: 7632-00-0
• EC Number: 231-555-9
• MDL Number: MFCD00144923; MFCD00011118
• Merck Index: 148648
• PubChem SID: 24880084; 24861792; 24873940; 24886427; 24889478; 24861795; 24858958; 24867034; 24861793; 24874407; 24886428; 24848155; 24899515; 24861794; 24854227; 162094247
• PubChem CID: 24269; 23668193
• ATC CODE: V03AB08
• CHEMBL: 93268
• Chemspider ID: 22689
• Unique Ingredient Identifier: M0KG633D4F
• Wikipedia Title: Sodium_nitrite

CALCULATED PROPERTIES

• Acid pKa: 3.3200002
• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): 0.16613764
• LogD (pH = 7.4): 0.16613764
• Log P: 0.16613764
• Molar Refractivity: 7.6 cm^3
• Polarizability: 2.4691868 Å^3
• Polar Surface Area: 52.49 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 84.8 g/100 mL (25 °C) in water; soluble in methanol (4.4 g/100 mL) ; ethanol ; slightly soluble in diethyl ether (0.3 g/100 mL) ; very soluble in ammonia; Soluble in water
• Apperance: Crystalline; Granular; Liquid; powder; solid; solution (volumetric); white or slightly yellowish solid
• Melting Point: 271 °C(lit.); 271°C (decomp.); 271°C; 271°C dec.
• Auto Ignition Point: 489 °C; 914 °F
• Density: 1.00 g/mL at 20 °C; 1.290 g/mL at 25 °C; 2.168 g/cm^3; 2.17
• Refractive Index: 1.65
• pKa: ~9
• Std enthalpy of formation: -359 kJ·mol^-1

Safety Information

• Storage Warning: Hygroscopic
• RTECS: RA1225000
• European Hazard Symbols: Dangerous for the environment (N); Nature polluting (N); Oxidising (O); Oxidant (O); Toxic (T); Toxic (T); Harmful (Xn)
• UN Number: 1500; 3099; 3219; UN1500
• German water hazard class: 1; 2
• Hazard Class: 5.1
• Packing Group: 3; III
• Risk Statements: 22; 25; 25-50; 8-25-50; R8, R25, R50
• Safety Statements: 45; 45-61; S1/2, S45, S61
• TSCA Listed: 是
• EU Index: 007-010-00-4
• GHS Pictograms: GHS03; GHS06; GHS07; GHS09
• GHS Signal Word: Danger; Warning
• NFPA704:
  

  0

  3

  1

  OX
• LD50: 180 mg/kg (rats, oral)
• GHS Hazard statements: H272-H301-H330-H400; H272-H301-H400; H272-H302; H272-H302-H400; H301-H272-H400
• GHS Precautionary statements: P220; P220-P273; P220-P273-P301 + P310; P221-P210-P301+P310-P321-P405-P501A; P221-P301+P310-P304+P340-P320-P330-P405-P501A
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges; dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges; Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Gloves; Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1500 5.1/PG 3; UN 3099 5.1/PG 3; UN 3219 5.1/PG 3
• Storage Temperature: 2-8°C

Pharmacology Properties

• Target: Others

Product Information

• Purity: ≥97.0%; ≥98%; ≥98.0% (RT); ≥98.5%; ≥99%; ≥99.0%; ≥99.0% (RT); ≥99.99% trace metals basis; 97%; 97% min; 98%; 99.5%; 99.999% (metals basis); 99.999% trace metals basis; 99-100.5% (calc. to the dried substance)
• Concentration: 0.01 M NO2-; 0.1 M NaNO2 (0.1N); 0.1 M NO2-; 0.2 M NaNO2 (0.2N); 1 M NaNO2 (1N); 4 M; 4 M NaNO2 (4N); 40 wt. % in H2O
• Grade: ACS reagent; ACS reagent, reag. Ph. Eur.; for ion-selective electrodes; JIS special grade; puriss.; puriss. p.a.; purum p.a.; ReagentPlus®; SAJ first grade; technical; USP
• Salt Data: Sodium Salt
• Particle Size: -325 mesh
• Suitability: complies for appearance of solution
• Impurities: <100 ppm total metallic impurities; ≤0.001% heavy metals (as Pb); ≤0.005% heavy metals (as Pb); ≤0.01% insolubles; acidity or alcalinity, in accordance; residual solvents, complies
• Cation Traces: As: ≤2 mg/kg; Ca: ≤0.01%; Ca: ≤10 mg/kg; Ca: ≤20 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.001%; Fe: ≤10 mg/kg; Fe: ≤5 mg/kg; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤0.001%; heavy metals: ≤0.001%; Hg: ≤1 mg/kg; K: ≤0.005%; K: ≤100 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤4 mg/kg; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤0.005%; chloride (Cl-): ≤200 mg/kg; chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤0.01%; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤50 mg/kg; sulfate (SO42-): ≤500 mg/kg
• Clinical: for in vitro diagnostic use
• Shelf Life: (Expiry date on the label.); (limited shelf life); (limited shelf life, expiry date on the label)
• Loss on Drying: ≤0.2% loss on drying, 4 h (on silica gel); ≤0.25% loss on drying (on vacuum)
• Quality Level: IVD
• Quality: meets analytical specification of Ph. Eur., BP, USP, FCC, E 250; volumetric
• Factor: 1.000 ±0.2; 1.000 ±0.2 R%; 1.000 ±0.5 R%
• calibrated against: sulfanilic acid
• Linear Formula: NaNO2

DETAILS

MP Biomedicals - 02960301

Meets USP/FCC specifications

Sigma Aldrich - 914

Application
For use in the Naphthol AS-D Chloroacetate Esterase and Naphthyl Acetate Esterase Procedures, Kits 91C and 91A.
Other Notes
0.1 mol/L

Sigma Aldrich - 563218

Packaging
25, 100 g in poly bottle

Sigma Aldrich - 35271

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 72587

General description
Visit our Sensor Applications portal to learn more.
Preparation Note
prepared with NaNO2 and H2O

Sigma Aldrich - 70924

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 35272

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 70808

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 431605

Features and Benefits
Meets A.C.S. reagent specifications.
Packaging
50, 250 g in poly bottle

Sigma Aldrich - 35273

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 70776

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 524379

Packaging
2 kg in poly bottle
500 g in poly bottle

Sigma Aldrich - 237213

Packaging
100, 500 g in poly bottle
2.5 kg in poly bottle
5 g in glass bottle

Sigma Aldrich - 517062

Packaging
1 L in poly bottle

Sigma Aldrich - S2252

Packaging
2.5 kg in poly bottle
500 g in poly bottle
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 72586

General description
Visit our Sensor Applications portal to learn more.
Preparation Note
prepared with NaNO2 and H2O