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D199303

Sigma-Aldrich

2,4-Dinitrophenylhydrazine

reagent grade, 97%

Sinônimo(s):

(2,4-dinitrophenyl)-hydrazine, DNPH

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About This Item

Fórmula linear:
(O2N)2C6H3NHNH2
Número CAS:
119-26-6
Peso molecular:
198.14
Beilstein:
615586
Número MDL:
MFCD00007578
Código UNSPSC:
12352100
ID de substância PubChem:
24893586
NACRES:
NA.21
grau:
reagent grade
Ensaio:
97%
O produto D199303 não está disponível para compra no momento. Entre em contato com a assistência técnica

grau

reagent grade

Nível de qualidade

200

Ensaio

97%

contém

33% water (minimum)

pf

197-200 °C (lit.)

grupo funcional

hydrazine
nitro

cadeia de caracteres SMILES

NNc1ccc(cc1[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C6H6N4O4/c7-8-5-2-1-4(9(11)12)3-6(5)10(13)14/h1-3,8H,7H2

chave InChI

HORQAOAYAYGIBM-UHFFFAOYSA-N

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Descrição geral

2,4-Dinitrophenylhydrazine (DNPH), a hydrazine derivative, is a potential mutagenic agent. Its molecular and crystal structure has been analyzed.[1] The intra- and intermolecular hydrogen bonds in DNPH have been investigated by vibrational spectroscopic analysis.[2] The mechanism of isothermal degradation of DNPH has been studied by differential scanning calorimetry (DSC).[3]

Aplicação

2,4-Dinitrophenylhydrazine has been used as a reagent to detect the presence of aldehydes and ketones in protein carbonyls.[4][5][6] It may be used as a colorimetric reagent in the quantitative estimation of prednisone.[7]

Embalagem

500G contains total wet product weight of ~485G. Variance is due to addition of water to meet DOT requirements.

Pictogramas

FlameExclamation mark
GHS02,GHS07

Palavra indicadora

Danger

Frases de perigo

H206,H302

Classificações de perigo

Acute Tox. 4 Oral - Desen. Expl. 1

Perigos de suplementos

EUH044

Código de classe de armazenamento

4.1A - Other explosive hazardous materials

Classe de risco de água (WGK)

WGK 3

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificados de análise (COA)

Lot/Batch Number
0000412358
0000412358
0000409137
0000409138
0000400119

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Visite a Biblioteca de Documentos

Indian J. Chem. B, 32, 986-986 (1993)
2,4-dinitrophenylhydrazine: a sensitive quantitative reagent for determining microgram quantities of prednisone.
A L Woodson
Journal of pharmaceutical sciences, 60(10), 1538-1542 (1971-10-01)
Kinetic analysis of isothermal decomposition of 2, 4-dinitrophenylhydrazine using differential scanning calorimetry.
Musuc AM, et al.
Thermochimica Acta, 448(2), 130-135 (2006)
Chem. Abstr., 118, 22127d-22127d (1993)
Vibrational spectroscopy and theoretical studies on 2, 4-dinitrophenylhydrazine.
Chis V, et al.
Journal of Molecular Structure, 744, 363-368 (2005)
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Questions

1–4 of 4 Questions  

  1. 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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  2. 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

      Helpful?

  3. Before use, is it necessary to dry off the water content in this reagent? If so, what would be the temperature and how long without triggering degradation of the reagent?

    1 answer

    1. This product is intentionally provided as a moist powder, with at least 33% water by weight. The material may be safely handled in the moistened state, but not as a dry powder. The recommendation would be to NOT dry off the water content.

      Helpful?

  4. We have this product (D199303-500G) on our site and want to dispose of it . Can you please give us instructions on how to dispose the product safely ?

    1 answer

    1. Please refer to section 13 of the Safety Data Sheet for disposal information. Consult with facility or municipal EHS authorities to assure proper guidelines are followed. See the link below to review the SDS:
      https://www.sigmaaldrich.com/sds/aldrich/d199303

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