1.00443

Nitric acid

65%, EMPLURA^®

• Sinonimo/i: Nitric acid solution
• Formula empirica (notazione di Hill): HNO₃
• Numero CAS: 7697-37-2
• Peso molecolare: 63.01
• Numero MDL: MFCD00011349
• Codice UNSPSC: 12352301
• NACRES: NA.21

Proprietà

• Nome del prodotto: Acido nitrico, EMPLURA^®
• Tensione di vapore: 9.4 hPa ( 20 °C)
• Livello qualitativo: 200
• Nome Commerciale: EMPLURA^®
• Stato: liquid
• Concentrazione: 64.3-66.4% HNO₃
• Impurezze: ≤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)
• P. ebollizione: 121 °C/1013 hPa
• Punto di fusione: -32 °C
• Densità: 1.39 g/cm³ at 20 °C
• Temperatura di conservazione: 2-30°C
• Stringa SMILE: O[N+]([O-])=O
• InChI: 1S/HNO3/c2-1(3)4/h(H,2,3,4); GRYLNZFGIOXLOG-UHFFFAOYSA-N

Descrizione

Applicazioni

• 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).

Risultati analitici

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

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS03,GHS05,GHS06
• Avvertenze: Danger
• Indicazioni di pericolo: H272 - H290 - H314 - H331
• Consigli di prudenza: P210 - P220 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classi di pericolo: Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A
• Rischi supp: EUH071
• Codice della classe di stoccaggio: 5.1B - Oxidizing hazardous materials
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable