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695041

Sigma-Aldrich

Ácido nítrico

ACS reagent, ≥90.0%

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About This Item

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

grado

ACS reagent

Nivel de calidad

200

densidad de vapor

1.3 (vs air)

presión de vapor

6.6 mmHg ( 20 °C)
8 mmHg ( 20 °C)

descripción

dilution test passes test

Ensayo

≥90.0%

Formulario

liquid

residuo de ign.

≤0.002%

color

colorless to yellow

bp

120.5 °C (lit.)

densidad

1.48 g/mL at 20 °C (lit.)

trazas de anión

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

trazas de catión

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

cadena SMILES

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

InChI

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

Clave InChI

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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Descripción general

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.

Aplicación

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.

Palabra de señalización

Danger

Frases de peligro

H272,H290,H314,H331

Clasificaciones de peligro

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

Riesgos supl.

EUH071

Código de clase de almacenamiento

5.1A - Strongly oxidizing hazardous materials

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

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

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Certificados de análisis (COA)

Lot/Batch Number
MKCX4976
MKCX0737
MKCT9792
MKCT3350
MKCS5377

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Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

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