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/418/501/product-dating-information-06-25-mk.pdf
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M2773
Magnesiumsulfat Heptahydrat
BioReagent, Molecular Biology, suitable for plant cell culture, ≥99.0%
Synonym(e):
Epsom-Salz
Größe auswählen
| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
500 g | Warenkorb auf Verfügbarkeit prüfen | € 167,00 |
1 kg | Warenkorb auf Verfügbarkeit prüfen | € 264,00 |
Über diesen Artikel
grade
Molecular Biology
Quality Segment
vapor density
<0.01 (vs air)
vapor pressure
<0.1 mmHg ( 20 °C)
product line
BioReagent
assay
≥99.0%
technique(s)
cell culture | plant: suitable
anion traces
chloride (Cl-): ≤5 ppm
cation traces
K: ≤50 ppm, Na: ≤50 ppm, heavy metals (as Pb): ≤5 ppm
foreign activity
DNase, RNase and protease, none detected
SMILES string
O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O
InChI
1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChI key
WRUGWIBCXHJTDG-UHFFFAOYSA-L
General description
Application
- in the preparation of Scott′s tap water substitute as a bluing reagent for nuclear staining
- as a component of stabilization solution for the isolation of pituitary cells for matrix-assisted laser desorption/ionization mass spectroscopy (MALDI-MS)
- as an additive in the preparation of artificial sea water for the maintenance of Aplysia californica and in modified Gey′s balanced salt solution
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Dieser Artikel | |||
|---|---|---|---|
| assay ≥99.0% | assay ≥99.0% | assay ≥98% (EDTA titration), ≥99.9% trace metals basis | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 500 |
| grade Molecular Biology | grade - | grade - | grade - |
| cation traces K: ≤50 ppm, heavy metals (as Pb): ≤5 ppm, Na: ≤50 ppm | cation traces Al: ≤0.0005%, Ca: ≤0.01%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Mn: ≤0.0005%, NH4+: ≤0.002%, Na: ≤0.005%, Pb: ≤0.0005%, Sr: ≤0.005%, Zn: ≤0.0005% | cation traces Al: ≤10 ppm, Ca: ≤10 ppm, Cd: ≤10 ppm, Cr: ≤10 ppm, Fe: ≤10 ppm, K: ≤10 ppm, Na: ≤30 ppm, Ni: ≤10 ppm, Pb: ≤10 ppm, Si: ≤10 ppm, Zn: ≤10 ppm | cation traces - |
| anion traces chloride (Cl-): ≤5 ppm | anion traces - | anion traces chloride (Cl-): ≤20 ppm, nitrate (NO3-): ≤50 ppm | anion traces - |
| vapor pressure <0.1 mmHg ( 20 °C) | vapor pressure <0.1 mmHg ( 20 °C) | vapor pressure <0.1 mmHg ( 20 °C) | vapor pressure <0.1 mmHg ( 20 °C) |
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Lagerklasse
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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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