84392

Acido nitrico

purum p.a., fuming, packed in coated, shock- and leak-protected glass bottle, ≥99% (T)

• Formula empirica (notazione di Hill): HNO₃
• Numero CAS: 7697-37-2
• Peso molecolare: 63.01
• Numero CE: 231-714-2
• Numero MDL: MFCD00011349
• Codice UNSPSC: 12352106
• ID PubChem: 329769298
• NACRES: NA.21

Proprietà

• Tensione di vapore: 8 mmHg ( 20 °C)
• Livello qualitativo: 200
• Grado: purum p.a.
• Saggio: ≥99% (T)
• Forma fisica: liquid
• Qualità: packed in coated, shock- and leak-protected glass bottle
• P. eboll.: 120.5 °C (lit.)
• Anioni in tracce: chloride (Cl^-): ≤10 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• Cationi in tracce: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤10 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• Stringa SMILE: O[N+]([O-])=O
• InChI: 1S/HNO3/c2-1(3)4/h(H,2,3,4); GRYLNZFGIOXLOG-UHFFFAOYSA-N

Descrizione

Descrizione generale

Nitric acid (HNO₃) is a highly corrosive strong mineral acid. In HNO₃, nitrogen element exhibits +5 oxidation state. 10%(v/v) nitric acid solution is useful for cleaning the laboratory glasswares. Reaction of HNO₃ with various original and synthetic mineral dust/mineral oxide surfaces was studied in a low-pressure Knudsen reactor operating at 298K.

Applicazioni

Nitric acid (HNO₃) may be used in the following studies:

• Oxidation of ultiwalled carbon nanotubes (MWCNTs).
• Removal of transition metal catalyst from the single-walled carbon nanotubes (SWNTs) during the purification of SWNTs.
• Trace determinations of Pb and Cd in aqueous medium by flame atomic absorption spectrometry.
• Preparation of lead dioxide (PbO₂).

Informazioni sulla sicurezza

• Pittogrammi: GHS03,GHS06,GHS05
• 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: 5.1A - Strongly oxidizing hazardous materials
• Classe di pericolosità dell'acqua (WGK): WGK 2
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable