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695041

Sigma-Aldrich

Ácido nítrico

ACS reagent, ≥90.0%

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About This Item

Fórmula empírica (Notação de Hill):
HNO3
Número CAS:
7697-37-2
Peso molecular:
63.01
Número CE:
231-714-2
Número MDL:
MFCD00011349
Código UNSPSC:
12352209
eCl@ss:
38060304
ID de substância PubChem:
329761711
NACRES:
NA.21

grau

ACS reagent

Nível de qualidade

200

densidade de vapor

1.3 (vs air)

pressão de vapor

6.6 mmHg ( 20 °C)
8 mmHg ( 20 °C)

descrição

dilution test passes test

Ensaio

≥90.0%

forma

liquid

resíduo de ignição

≤0.002%

cor

colorless to yellow

pb

120.5 °C (lit.)

densidade

1.48 g/mL at 20 °C (lit.)

traços de ânion

chloride (Cl-): ≤0.7 ppm
dissolved oxides: ≤0.1% (as N2O3)
sulfate (SO42-): ≤5 ppm

traços de cátion

As: ≤0.3 ppm
Fe: ≤2 ppm
heavy metals (as Pb): ≤5 ppm

cadeia de caracteres SMILES

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

InChI

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

chave InChI

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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Descrição geral

Nitric acid is generally used as a primary reagent for the nitration and oxidation of organic molecules. It is also used as a strong oxidizing agent in organic synthesis to perform oxidative transformations. In addition, nitric acid is also used in the manufacturing of intermediate for polyurethanes and polyamides production.

Aplicação

Nitric acid is used:
  • As an oxidizing agent with sulfuric acid to graft the carboxylic acid over CNT (carbon nanotubes) to produce CNT-COOH.
  • In the combustion method to adjust the pH of the solution to 7. It is one of the steps in the preparation of mixed magnetite–hematite nanoparticles.
  • As a nitrating agent with sulfuric acid in the synthesis of 8-nitro-7-hydroxy-4-methyl coumarin and 6-nitro-7-hydroxy-4-methyl coumarin from 7-hydroxy-4-methyl coumarin.

Palavra indicadora

Danger

Frases de perigo

H272,H290,H314,H331

Classificações de perigo

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

Perigos de suplementos

EUH071

Código de classe de armazenamento

5.1A - Strongly oxidizing hazardous materials

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificados de análise (COA)

Lot/Batch Number
MKCT9792
MKCT3350
MKCS5377
MKCS7289
MKCR9545

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The fate of NO(x) (=NO + NO(2)) is important to understand because NO(x) is a significant player in air quality determination through its role in O(3) formation. Here we show that renoxification of the urban atmosphere may occur through the
Lauren E Kremer et al.
Journal of inorganic biochemistry, 147, 227-234 (2015-05-11)
Uncontrolled reactions in biological media are a main obstacle for clinical translation of V-based anti-diabetic or anti-cancer pro-drugs. We investigated the use of controlled-release pharmaceutical formulations to ameliorate this issue with a series of V(V) and (IV) complexes of anionic
Paul A Adlard et al.
Neurobiology of disease, 81, 196-202 (2015-01-01)
Zinc transporter-3 (ZnT3) protein is responsible for loading zinc into presynaptic vesicles and consequently controls the availability of zinc at the glutamatergic synapse. ZnT3 has been shown to decline with age and in Alzheimer's disease (AD) and is crucially involved
Stijn Smulders et al.
Toxicological sciences : an official journal of the Society of Toxicology, 141(1), 132-140 (2014-06-14)
The unique physical and chemical properties of nanomaterials have led to their increased use in many industrial applications, including as a paint additive. For example, titanium dioxide (TiO2) engineered nanoparticles (ENPs) have well-established anti-UV, self-cleaning, and air purification effects. Silver
Philippe Dauphin-Ducharme et al.
Faraday discussions, 180, 331-345 (2015-05-09)
The successful development of scanning probe techniques to characterize corrosion in situ using multifunctional probes is intrinsically tied to surface topography signal decoupling from the measured electrochemical fluxes. One viable strategy is the shear force controlled scanning microcapillary method. Using
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