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
C6768
Cobalt(II)-sulfat Heptahydrat
ReagentPlus®, ≥99%
Synonym(e):
Cobaltous sulfate heptahydrate
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Qualitätsniveau
Produktlinie
ReagentPlus®
Assay
≥99%
Form
powder
pH-Wert
4 (20 °C, 100 g/L)
Dichte
2.03 g/mL at 25 °C (lit.)
SMILES String
O.[Co++].[O-]S([O-])(=O)=O
InChI
1S/Co.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;/p-2
InChIKey
BGORGFZEVHFAQU-UHFFFAOYSA-L
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Verwandte Kategorien
1 of 4
Dieser Artikel | 935751 | CDS004010 | 1.02556 |
|---|---|---|---|
| form powder | form solid | form crystals | form solid |
| assay ≥99% | assay ≥99.99% trace metals basis | assay - | assay ≥99% (CoSO4.7H2O basis, complexometric) |
| Quality Level 200 | Quality Level 200 | Quality Level - | Quality Level 300 |
| pH 4 (20 °C, 100 g/L) | pH - | pH - | pH 4 (20 °C, 100 g/L in H2O) |
| density 2.03 g/mL at 25 °C (lit.) | density - | density - | density 1.95 g/cm3 at 20 °C |
| product line ReagentPlus® | product line - | product line - | product line EMSURE® |
Allgemeine Beschreibung
Anwendung
- Benzazoles from alcohols and o-substituted anilines.
- β-Acetamido ketones via one-pot multi-component coupling reaction of aromatic aldehydes, acetophenones, and acetyl chlorides.
Rechtliche Hinweise
Signalwort
Danger
Gefahreneinstufungen
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1
Lagerklassenschlüssel
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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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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In a 99% pure sample, what would make up the 1% impurity?
1 answer-
The impurities present in this product have not been identified. There may be other trace metals or insoluble salts; however, this cannot be confirmed.
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