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
401439
Zinc perchlorate hexahydrate
Synonym(s):
Perchloric acid zinc hydrate
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About This Item
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form
crystals and lumps
Quality Level
reaction suitability
core: zinc
reagent type: oxidant
SMILES string
O.O.O.O.O.O.[Zn++].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O
InChI
1S/2ClHO4.6H2O.Zn/c2*2-1(3,4)5;;;;;;;/h2*(H,2,3,4,5);6*1H2;/q;;;;;;;;+2/p-2
InChI key
PADPILQDYPIHQQ-UHFFFAOYSA-L
Related Categories
1 of 4
This Item | 381225 | 230006 | 337927 |
|---|---|---|---|
| form crystals and lumps | form crystalline | form powder and chunks | form crystals and lumps |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant | reaction suitability - | reaction suitability reagent type: catalyst |
General description
Application
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Ox. Sol. 2 - Skin Corr. 1B
Storage Class Code
5.1A - Strongly oxidizing hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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Colloidal quantum dots (CQDs) are semiconducting crystals of only a few nanometers (ca. 2–12 nm) coated with ligand/surfactant molecules to help prevent agglomeration.
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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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