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Merck

309079

Sigma-Aldrich

Nitric acid

red, fuming, HNO3 >90 %

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About This Item

Empirical Formula (Hill Notation):
HNO3
CAS Number:
Molecular Weight:
63.01
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
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vapor pressure

8 mmHg ( 20 °C)

Quality Level

Assay

5.0-10.0% (% N2O3, titration)

form

liquid

composition

HNO3, >90%

impurities

5-10% dissolved oxides as N2O3

color

red

pH

<1 (20 °C)

bp

120.5 °C (lit.)

density

1.48 g/mL at 20 °C (lit.)

storage temp.

2-8°C

SMILES string

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

InChI

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

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

General description

Nitric acid is an oxidizing agent used in the oxidation and nitration of organic molecules.

Application

Nitric acid can be used as:
  • A catalyst for the aerobic conversion of benzyl ethers to benzaldehydes.
  • An oxidant for the oxidative bromination of activated aromatic compounds using alkali metal bromide salts to synthesize corresponding bromo-derivatives.


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Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 2 - Skin Corr. 1

Supplementary Hazards

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable



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