Merck
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1.06535

Supelco

Sodium nitrate

cryst. EMPLURA®

Synonym(s):
Sodium nitrate, Nitric acid sodium salt
Empirical Formula (Hill Notation):
NNaO3
CAS Number:
Molecular Weight:
84.99
EC Index Number:
231-554-3

Quality Level

product line

Emplura®

Assay

99.0-100.5% dry basis (acidimetric)

form

solid

potency

1267 mg/kg LD50, oral (Rat)

impurities

≤0.2% Total chlorine

loss

≤2% loss on drying, 105°C

pH

5.5-8.0 (20 °C, 50 g/L in H2O)

mp

308 °C

solubility

874 g/L

density

2.26 g/cm3 at 20 °C

bulk density

1200 kg/m3

anion traces

nitrite (NO2-): ≤0.002%

cation traces

As: ≤0.0003%
Fe: ≤0.001%
Hg: ≤0.0001%
K: ≤0.01%
Pb: ≤0.0002%
Zn: ≤0.001%

storage temp.

2-30°C

InChI

1S/NO3.Na/c2-1(3)4;/q-1;+1

InChI key

VWDWKYIASSYTQR-UHFFFAOYSA-N

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71755S5506S8170
Sodium nitrate cryst. EMPLURA®

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form

solid

form

solid

form

powder or crystals

form

-

impurities

≤0.2% Total chlorine

impurities

insoluble matter, passes filter test

impurities

-

impurities

<0.0005% Phosphorus (P), <0.1% Insoluble matter

pH

5.5-8.0 (20 °C, 50 g/L in H2O)

pH

5.5-8.0 (25 °C, 1 M in H2O)

pH

5.5-8 (20 °C, 50 g/L)

pH

-

mp

308 °C

mp

306 °C (dec.) (lit.)

mp

306 °C (dec.) (lit.)

mp

306 °C (dec.) (lit.)

solubility

874 g/L

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

-

solubility

H2O: 1 M at 20 °C, clear, colorless

Analysis Note

Assay (acidimetrisch, after drying): 99.0 - 100.5 %
Identity: passes test
pH-value (5 %; water): 5.5 - 8.3
Total chlorine: ≤ 0.2 %
Nitrite (NO₂): ≤ 0.002 %
As (Arsenic): ≤ 0.0003 %
Fe (Iron): ≤ 0.001 %
Hg (Mercury): ≤ 0.0001 %
K (Potassium): ≤ 0.01 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.001 %
Loss on Drying (105°C): ≤ 2.0 %

Legal Information

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

Pictograms

Flame over circleExclamation mark

Signal Word

Warning

Hazard Statements

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


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