438073-M

Salpetersäure

ACS reagent, 70%

• Empirische Formel (Hill-System): HNO₃
• CAS-Nummer: 7697-37-2
• Molekulargewicht: 63.01
• EG-Nummer: 231-714-2
• MDL-Nummer: MFCD00011349
• UNSPSC-Code: 12352106
• eCl@ss: 38060304
• PubChem Substanz-ID: 329756406
• NACRES: NA.21

Eigenschaften

• Qualität: ACS reagent
• Assay: 68.0-70.0% (ACS specification); 70%
• Glührückstand: ≤5 ppm
• Farbe: APHA: ≤10
• Dichte: 1.413 g/mL at 20 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤0.5 ppm; sulfate (SO₄^2-): ≤1 ppm
• Kationenspuren: As: ≤0.01 ppm; Fe: ≤0.2 ppm; heavy metals (as Pb): ≤0.2 ppm
• SMILES String: O[N+]([O-])=O
• InChI: 1S/HNO3/c2-1(3)4/h(H,2,3,4)
• InChIKey: GRYLNZFGIOXLOG-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Nitric acid (HNO₃) is a highly corrosive mineral acid.[1][2] It is usually utilized for abstracting transition metal catalyst from single-walled carbon nanotubes (SWNTs) in order to purify them.[3] The effect of nitric acid on the oxidation of multiwalled carbon nanotubes (MWCNTs) has been investigated by sample weight, Raman spectrum, solubility, morphology and alignment examinations.[4]

Anwendung

Nitric acid was used to increase the number of acid sites by altering the surface of activated carbon.[5]
It may be used:

• In combination with acetic anhydride and zeolite catalysts for the preparation of p-nitrotoluene with high regioselectivity.[6]
• In the pretreatment of rice straw for enhanced production of xylose.[7]
• To minimize the extent of cation ordering in LiNi_0.5Mn_1.5O₄, a transition metal-substituted spinel material, by surface treatment.[8]

Sonstige Hinweise

SKU-Pack sizes with -P are packaged in poly bottles

Important notice
This product will be phased out towards early 2019. There is a replacement product available : 438073

Sicherheitshinweise

• Piktogramme: GHS03,GHS06,GHS05
• Signalwort: Danger
• H-Sätze: H272,H290,H314,H331
• P-Sätze: P210 - P220 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A
• Zusätzliche Gefahrenhinweise: EUH071
• Lagerklassenschlüssel: 5.1B - Oxidizing hazardous materials
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable