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P56003

Sigma-Aldrich

Pyrazine

≥99%

Sinónimos:

1,4-Diazabenzene, 1,4-Diazine, Paradiazine, Piazine, p-Diazine

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5 G
MXP 826.00
10 G
MXP 1,300.00
25 G
MXP 2,310.00

MXP 826.00

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5 G
MXP 826.00
10 G
MXP 1,300.00
25 G
MXP 2,310.00

About This Item

Fórmula empírica (notación de Hill):
C4H4N2
Número de CAS:
290-37-9
Peso molecular:
80.09
Beilstein:
103905
Número CE:
206-027-6
Número MDL:
MFCD00006122
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24898676
NACRES:
NA.22

MXP 826.00

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Nivel de calidad

100

Ensayo

≥99%

Formulario

crystals

bp

115-116 °C (lit.)

mp

50-56 °C (lit.)

densidad

1.031 g/mL at 25 °C (lit.)

cadena SMILES

c1cnccn1

InChI

1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H

Clave InChI

KYQCOXFCLRTKLS-UHFFFAOYSA-N

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Descripción general

Pyrazine is a 1,4-diazine and an electron-deficient N-heteroarene found in several natural products, APIs, agrochemicals, and functional materials.[1]

Aplicación

Pyrazine can be used:
  • As a bridging ligand in the synthesis of Cu(II) linear chain coordination complexes.[2]
  • To prepare Cu(I) derived coordination polymers, which are used in the synthesis of metal-organic frameworks (MOFs).[3]

Pictogramas

Flame
GHS02

Palabra de señalización

Danger

Frases de peligro

H228

Clasificaciones de peligro

Flam. Sol. 1

Código de clase de almacenamiento

4.1B - Flammable solid hazardous materials

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

131.0 °F - closed cup

Punto de inflamabilidad (°C)

55 °C - closed cup

Equipo de protección personal

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

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Certificados de análisis (COA)

Lot/Batch Number
0000430011
0000430011
0000369385
0000323573
0000323574

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Pyrazine-bridged Cu (ii) chains: diaquabis (n-methyl-2-pyridone) copper (ii) perchlorate complexes
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Dalton Transactions, 49(39), 13693-13703 (2020)
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A one-step transformation of heterocyclic N-oxides to 2-alkyl-, aryl-, and alkenyl-substituted N-heterocycles is described. The success of this broad-scope methodology hinges on the combination of copper catalysis and activation by lithium fluoride or magnesium chloride. The utility of this method
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Questions

1–2 of 2 Questions  

  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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