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
A4418
Sulfate d'ammonium
for molecular biology, ≥99.0%
Synonyme(s) :
Mascagnite
About This Item
Produits recommandés
Qualité
for molecular biology
Niveau de qualité
Essai
≥99.0%
Forme
powder
Technique(s)
affinity binding assay: suitable
protein purification: suitable
Impuretés
≤0.005% Insolubles
pH
5.0-6 (25 °C, 132 g/L)
Pf
>280 °C (dec.) (lit.)
Solubilité
H2O: 0.667 g/mL
Densité
1.77 g/mL at 25 °C (lit.)
Traces d'anions
chloride (Cl-): ≤5 ppm
Traces de cations
Cu: ≤5 ppm
Fe: ≤5 ppm
Zn: ≤5 ppm
heavy metals (as Pb): ≤2 ppm
Absorption
≤0.025 at 280 at 1 M
≤0.03 at 260 at 1 M
Adéquation
suitable for flow cytometry
suitable for molecular biology
Application(s)
metabolomics
microbiology
Activité étrangère
DNase, RNase, and protease, none detected
Chaîne SMILES
N.N.OS(O)(=O)=O
InChI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
Clé InChI
BFNBIHQBYMNNAN-UHFFFAOYSA-N
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Description générale
Application
Caractéristiques et avantages
- Métaux lourds (exprimés en Pb) : ≤ 2 ppm.
- Produit exempt de DNases, RNases et protéases.
Autres remarques
Produit comparable
Produit(s) apparenté(s)
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 1
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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Certificats d'analyse (COA)
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Les clients ont également consulté
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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