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Merck

1.01832

Nitric acid

69%, for analysis EMPARTA® ACS

Synonym(s):

Nitric acid solution

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About This Item

Empirical Formula (Hill Notation):
HNO3
CAS Number:
Molecular Weight:
63.01
UNSPSC Code:
12352301
NACRES:
NA.21
MDL number:
Concentration:
68.0-70.0% HNO3
Form:
liquid
Grade:
ACS reagent
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Product Name

Nitric acid 69%, for analysis EMPARTA® ACS

grade

ACS reagent

Quality Level

vapor pressure

9.4 hPa ( 20 °C)

product line

EMPARTA®

form

liquid

concentration

68.0-70.0% HNO3

impurities

≤0.010 ppm As (Arsenic), ≤0.2 ppm Heavy metals (as Pb), ≤0.200 ppm Fe (Iron), ≤0.5 ppm Chloride (Cl), ≤1 ppm Sulphate (SO4)

ign. residue

≤5 ppm (as SO4)

color

APHA: ≤10

pH

<1 (20 °C in H2O)

bp

122 °C/1013 hPa

mp

-41 °C

density

1.41 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

O[N+]([O-])=O

InChI

1S/HNO3/c2-1(3)4/h(H,2,3,4)

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): 68.0 - 70.0 %
Identity: passes test
Appearance: passes test
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 0.5 ppm
Heavy metals (as Pb): ≤ 0.2 ppm
Sulphate (SO₄): ≤ 1 ppm
As (Arsenic): ≤ 0.010 ppm
Fe (Iron): ≤ 0.200 ppm
Residue on ignition (as SO₄): ≤ 5 ppm

Legal Information

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


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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A

supp_hazards

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 1



Certificates of Analysis (COA)

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