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Merck
모든 사진(1)

문서

695041

Sigma-Aldrich

Nitric acid

ACS reagent, ≥90.0%

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About This Item

실험식(Hill 표기법):
HNO3
CAS Number:
Molecular Weight:
63.01
EC Number:
MDL number:
UNSPSC 코드:
12352209
eCl@ss:
38060304
PubChem Substance ID:
NACRES:
NA.21

Grade

ACS reagent

Quality Level

vapor density

1.3 (vs air)

vapor pressure

6.6 mmHg ( 20 °C)
8 mmHg ( 20 °C)

설명

dilution test passes test

분석

≥90.0%

형태

liquid

무기 잔류물

≤0.002%

색상

colorless to yellow

bp

120.5 °C (lit.)

density

1.48 g/mL at 20 °C (lit.)

음이온 미량물

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

양이온 미량물

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

SMILES string

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

InChI

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

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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일반 설명

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.

애플리케이션

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.

픽토그램

Flame over circleSkull and crossbonesCorrosion

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

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

보충제 위험성

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

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


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