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695041

Sigma-Aldrich

Acide nitrique

Nitric acid

ACS reagent, ≥90.0%

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500 ML
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500 ML
191,00 €

About This Item

Formule empirique (notation de Hill):
HNO3
Numéro CAS:
7697-37-2
Poids moléculaire :
63.01
Numéro CE :
231-714-2
Numéro MDL:
MFCD00011349
Code UNSPSC :
12352209
eCl@ss :
38060304
ID de substance PubChem :
329761711
Nomenclature NACRES :
NA.21

191,00 €

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Qualité

ACS reagent

Niveau de qualité

200

Densité de vapeur

1.3 (vs air)

Pression de vapeur

6.6 mmHg ( 20 °C)

Description

dilution test passes test

Essai

≥90.0%

Forme

liquid

Résidus de calcination

≤0.002%

Couleur

colorless to yellow

Densité

1.48 g/mL at 20 °C (lit.)

Traces d'anions

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

Traces de cations

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

Chaîne SMILES 

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

InChI

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

Clé InChI

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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Description générale

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.

Application

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.

Pictogrammes

Flame over circleSkull and crossbonesCorrosion
GHS03,GHS06,GHS05

Mention d'avertissement

Danger

Mentions de danger

H272,H290,H314,H331

Classification des risques

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

Risques supp

EUH071

Code de la classe de stockage

5.1A - Strongly oxidizing hazardous materials

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

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

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Certificats d'analyse (COA)

Lot/Batch Number
MKCX0737
MKCT9792
MKCT3350
MKCS5377
MKCS7289

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Consulter la Bibliothèque de documents

Alyson M Baergen et al.
Environmental science & technology, 47(2), 815-820 (2012-12-15)
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
Marie-Pierre Isaure et al.
Journal of experimental botany, 66(11), 3201-3214 (2015-04-16)
Arabidopsis halleri is a model plant for Zn and Cd hyperaccumulation. The objective of this study was to determine the relationship between the chemical forms of Cd, its distribution in leaves, and Cd accumulation and tolerance. An interspecific cross was
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
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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