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Merck

1.00443

Nitric acid

65%, EMPLURA®

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:
64.3-66.4% HNO3
Form:
liquid
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Product Name

Nitric acid 65%, EMPLURA®

vapor pressure

9.4 hPa ( 20 °C)

Quality Level

product line

EMPLURA®

form

liquid

concentration

64.3-66.4% HNO3

impurities

≤0.0001% As (Arsenic), ≤0.0003% Chloride (Cl), ≤0.0004% Fe (Iron), ≤0.0005% Heavy metals (as Pb), ≤0.001% Ca (Calcium), ≤0.001% NH4 (Ammonium), ≤0.001% Sulfate (SO4), ≤0.003% Nitrogen oxides (as N2O3)

pH

<1 (20 °C in H2O, strongly acid)

bp

121 °C/1013 hPa

mp

-32 °C

solubility

water: soluble at 20 °C

density

1.39 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

Application


  • In-vitro evaluation of microleakage of bioceramic root-end filling materials: A spectrophotometric study.: This research employed 65% nitric acid for sample preparation in the spectrophotometric analysis of microleakage in dental materials, providing insights into the effectiveness of different bioceramic materials (Gupta and Kewalramani, 2021).

  • A comparative evaluation of resin- and varnish-based surface protective agents on glass ionomer cement - a spectrophotometric analysis.: The study used 65% nitric acid for the preparation of glass ionomer cement samples to evaluate the effectiveness of surface protective agents through spectrophotometric methods (Tyagi et al., 2020).

  • Spectrophotometric analysis evaluating apical microleakage in retrograde filling using GIC, MTA and biodentine: an in-vitro study.: This research utilized 65% nitric acid in the preparation of samples for the evaluation of microleakage in dental restorative materials, highlighting the performance of various materials in preventing leakage (Nepal et al., 2020).

  • Influence of stacked structure of carbons modified on its surface on n-pentane adsorption.: This study applied 65% nitric acid for surface modification of carbon materials, investigating the effects on adsorption properties, with significant findings on how surface structure influences adsorption efficiency (Carvajal-Bernal et al., 2019).

Analysis Note

Assay (alkalimetric): 64.3 - 66.4 %
Identity: passes test
Appearance of solution: passes test
Chloride (Cl): ≤ 0.0003 %
Iodate, Bromate: passes test
Nitrogen oxides (as N₂O₃): ≤ 0.003 %
Sulfate (SO₄): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0004 %
NH₄ (Ammonium): ≤ 0.001 %
Residual solvents (ICH Q3C): ...excluded by production process
Evaporation residue: ≤ 0.01
Date of expiry: see product label

Legal Information

EMPLURA 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

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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