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
Fortfahren mit
63138
Magnesiumsulfat Heptahydrat
BioUltra, ≥99.5% (KT)
Synonym(e):
Epsom-Salz
Größe auswählen
| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
250 g | Ab HEUTE lieferbarvonSchnelldorf | € 87,20 |
1 kg | Ab HEUTE lieferbarvonSchnelldorf | € 288,00 |
Über diesen Artikel
grade
reagent grade
Quality Segment
vapor density
<0.01 (vs air)
vapor pressure
<0.1 mmHg ( 20 °C)
product line
BioUltra
assay
≥99.5% (KT)
impurities
insoluble matter, passes filter test, ≤0.002% total nitrogen (N)
pH
5.0-8.0 (25 °C, 1 M in H2O)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤5 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤1 mg/kg, K: ≤10 mg/kg, Li: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤10 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
1 M in H2O
UV absorption
λ: 260 nm Amax: 0.010, λ: 280 nm Amax: 0.010
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
Application
- Research on the Working Performance and the Corresponding Mechanical Strength of Polyaluminum Sulfate Early Strength Alkali-Free Liquid Accelerator Matrix Cement.: Im Rahmen dieser Studie werden die Anwendungen von Magnesiumsulfat-Heptahydrat zur Verbesserung der Leistungsfähigkeit und mechanischen Festigkeit von im Bauwesen verwendetem Zement untersucht (Wang et al., 2022).
Other Notes
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| assay ≥99.5% (KT) | assay ≥99.0% | assay ≥99.0% | assay ≥99.0% |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade reagent grade | grade - | grade - | grade - |
| 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) |
| pH 5.0-8.0 (25 °C, 1 M in H2O) | pH - | pH - | pH 5-8 (50 g/L) |
| assay ≥99.5% (KT) | assay ≥99.0% | assay ≥99.0% | assay ≥99.0% |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade reagent grade | grade - | grade - | grade - |
| 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) |
| pH 5.0-8.0 (25 °C, 1 M in H2O) | pH - | pH - | pH 5-8 (50 g/L) |
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Lagerklasse
11 - 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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