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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等级
ACS reagent
方案
≥99.0%
表单
crystals
反应适用性
reagent type: oxidant
杂质
≤0.005% insolubles
缺失
≤0.05% loss on drying
pH值（酸碱度）
3.5-5.0 (25 °C, 29.4 g/L)
mp
398 °C (lit.)
痕量阴离子
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%
痕量阳离子
Ca: ≤0.003%
Na: ≤0.001%
Na: ≤0.02%
heavy metals (as Pb): ≤5 ppm
SMILES字符串
[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
InChI
1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
InChI key
KMUONIBRACKNSN-UHFFFAOYSA-N
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警示用语：
Danger
危险分类
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
靶器官
Cardio-vascular system, Respiratory system
储存分类代码
5.1B - Oxidizing hazardous materials
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
其他客户在看
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Helpful?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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