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Principaux documents

B85307

Sigma-Aldrich

2,3-Butanedione

97%

Synonyme(s) :

Diacétyl

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5 ML
85,10 $
100 ML
167,00 $
500 ML
283,00 $

About This Item

Formule linéaire :
CH3COCOCH3
Numéro CAS:
Poids moléculaire :
86.09
Beilstein:
605398
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352100
ID de substance PubChem :
Nomenclature NACRES :
NA.22

85,10 $


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Devis pour commande en gros

Densité de vapeur

3 (vs air)

Niveau de qualité

Pression de vapeur

52.2 mmHg ( 20 °C)

Essai

97%

Forme

liquid

Température d'inflammation spontanée

345 °C

Indice de réfraction

n20/D 1.394 (lit.)

pb

88 °C (lit.)

Densité

0.981 g/mL (lit.)

Température de stockage

2-8°C

Chaîne SMILES 

CC(=O)C(C)=O

InChI

1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

Clé InChI

QSJXEFYPDANLFS-UHFFFAOYSA-N

Informations sur le gène

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Application

Inactivates aminopeptidase-N.[1] Cyclocondensation with amines has been used to form triazine[2] and pteridine ring systems.[3] Also used as a precursor to α-diones.[4]

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation

Organes cibles

Respiratory system

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

44.6 °F - closed cup

Point d'éclair (°C)

7 °C - closed cup

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter


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Certificats d'analyse (COA)

Lot/Batch Number

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

A Helene et al.
European journal of biochemistry, 196(2), 385-393 (1991-03-14)
Sequence analysis of aminopeptidase N has shown that this zinc exopeptidase contains a consensus sequence (Val-Xaa-Xaa-His-Glu-Xaa-Xaa-His), generally found at the active site of zinc endopeptidases [Jongeneel, C. V., Bouvier, J. and Bairoch, A. (1989) FEBS Lett. 242, 211-214]. This suggests
Australian Journal of Chemistry, 43, 1449-1449 (1990)
T R Leonard et al.
American journal of physiology. Cell physiology, 299(6), C1398-C1401 (2010-09-17)
It has been accepted for half a century that, for a given level of activation, the steady-state isometric force of a muscle sarcomere depends exclusively on the amount of overlap between the contractile filaments actin and myosin, or equivalently sarcomere
Jhonatan A Hernandez-Valdes et al.
Frontiers in microbiology, 11, 1032-1032 (2020-06-12)
Some secondary metabolites of fermentative bacteria are desired compounds for the food industry. Examples of these compounds are diacetyl and acetaldehyde, which are produced by species of the lactic acid bacteria (LAB) family. Diacetyl is an aromatic compound, giving the
Tetrahedron Letters, 32, 3879-3879 (1991)

Questions

1–2 of 2 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

      Helpful?

  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

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