1.06537

Sodium nitrate

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(s): Sodium nitrate, Nitric acid sodium salt
• Empirical Formula (Hill Notation): NNaO₃
• CAS Number: 7631-99-4
• Molecular Weight: 84.99
• UNSPSC Code: 12352302
• EC Index Number: 231-554-3
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• Agency: reag. ISO; reag. Ph. Eur.
• product line: EMSURE^®
• Assay: ≥99.5% (alkalimetric)
• form: solid
• potency: 1267 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.005% Insoluble matter
• pH: 5.5-8.0 (20 °C, 50 g/L in H₂O)
• mp: 308 °C
• density: 2.26 g/cm³ at 20 °C
• bulk density: 1200 kg/m³
• anion traces: chloride (Cl^-): ≤0.0005%; iodate (IO₃^-): ≤0.0005%; nitrite (NO₂^-): ≤0.001%; phosphate (PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤0.003%
• cation traces: Ca: ≤0.002%; Fe: ≤0.0003%; K: ≤0.01%; Mg: ≤0.002%; NH₄⁺: ≤0.002%; heavy metals: ≤0.0005%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/NO3.Na/c2-1(3)4;/q-1;+1
• InChI key: VWDWKYIASSYTQR-UHFFFAOYSA-N

Description

Linkage

Replaces: SX0655; SX0655-1; SX0655-7

Analysis Note

Assay (alkalimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 5.5 - 8.0
Chloride (Cl): ≤ 0.0005 %
Iodate: ≤ 0.0005 %
Nitrite (NO₂): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0003 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.002 %
NH₄ (Ammonium): ≤ 0.002 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS03,GHS07
• Signal Word: Warning
• Hazard Statements: H272 - H319
• Precautionary Statements: P210 - P220 - P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Ox. Sol. 3
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• Flash Point(F): does not flash
• Flash Point(C): does not flash