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461091

Sigma-Aldrich

Acido 4-nitrobenzoico

98%

Sinonimo/i:

p-Nitrobenzoic acid

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30,20 €
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80,40 €

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250 G
30,20 €
1 KG
80,40 €

About This Item

Formula condensata:
O2NC6H4CO2H
Numero CAS:
62-23-7
Peso molecolare:
167.12
Beilstein:
973593
Numero CE:
200-526-2
Numero MDL:
MFCD00007352
Codice UNSPSC:
12352100
ID PubChem:
24869806
NACRES:
NA.22

30,20 €

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Saggio

98%

Stato

solid

Punto di fusione

237-240 °C (lit.)

Gruppo funzionale

carboxylic acid
nitro

Stringa SMILE

OC(=O)c1ccc(cc1)[N+]([O-])=O

InChI

1S/C7H5NO4/c9-7(10)5-1-3-6(4-2-5)8(11)12/h1-4H,(H,9,10)
OTLNPYWUJOZPPA-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

4-Nitrobenzoic acid (p-nitrobenzoic acid) is a carboxylic acid derivative. It participates in the biosynthesis of the antibiotic aureothin.[1] Infrared Fourier transform spectroscopic studies suggest that the molecules of 4-nitrobenzoic acid gets adsorbed on the surfaces of fine silver powder as carboxylate.[2]

Applicazioni

4-Nitrobenzoic acid may be used in the preparation of compounds (I and III) trans-M2(T(i)PB)2L2, where T(i)PB = 2,4,6-triisopropylbenzoate:
  • compound I (L = 4-nitrobenzoate and M = Mo)[3]
  • compound III (L = 4-nitrobenzoate and M2 = MoW)[3]

Pittogrammi

Health hazardExclamation mark
GHS08,GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302,H315,H319,H341,H351,H361fd

Classi di pericolo

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Muta. 2 - Repr. 2 - Skin Irrit. 2

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
0000306684
0000306684
BCCK3693
BCCJ9232
BCCL6069

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3-Nitrobenzoic acid for synthesis

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3-Nitrobenzoic acid

2,4-Dinitrobenzoic acid 96%

Sigma-Aldrich

137952

2,4-Dinitrobenzoic acid

4-Cyanobenzoic acid 99%

Sigma-Aldrich

C89803

4-Cyanobenzoic acid

Emmanuel Chanco et al.
Bioorganic & medicinal chemistry, 22(20), 5569-5577 (2014-06-30)
AurF catalyzes the N-oxidation of p-aminobenzoic acid to p-nitrobenzoic acid in the biosynthesis of the antibiotic aureothin. Here we report the characterization of AurF under optimized conditions to explore its potential use in biocatalysis. The pH optimum of the enzyme
Diffuse reflectance infrared spectra of 4-nitrobenzoic acid and 4-cyanobenzoic acid self-assembled on fine silver particles.
Soo H, et al.
Applied Spectroscopy, 52(8) (1998)
Brian G Alberding et al.
Dalton transactions (Cambridge, England : 2003), 43(29), 11397-11403 (2014-06-17)
From the reactions between Mo2(T(i)PB)4, where T(i)PB = 2,4,6-triisopropylbenzoate and two equivalents of the carboxylic acid LH (LH = 4-nitrobenzoic acid and 4'-nitro[1,1'-biphenyl]-4-carboxylic acid) the compounds trans-M2(T(i)PB)2L2 have been prepared: I (L = 4-nitrobenzoate and M = Mo), II (L
Jing He et al.
Journal of the American Chemical Society, 126(12), 3694-3695 (2004-03-25)
The antibiotic aureothin is a rare natural nitroaromatic compound produced by Streptomyces thioluteus. By labeling experiments, we demonstrate for the first time that p-nitrobenzoate (PNBA) serves as a polyketide synthase starter unit. Cloning, heterologous expression, and inactivation experiments reveal that
J A Gómez-Vidal et al.
Organic letters, 3(16), 2477-2479 (2001-08-03)
[reaction: see text] A mild and selective cleavage of p-nitrobenzoic esters by sodium azide in methanol is reported. This new methodology is mild enough for use with acid- or base-sensitive compounds. No elimination byproducts are formed. Fmoc- and trifluoroacetyl-amino protecting
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Domande

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

    1 risposta

    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

      Utile?

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

    1 risposta

    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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