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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grade
reagent grade
vapor pressure
1 mmHg ( 745 °C)
product line
BioUltra
assay
≥99.5% (AT)
form
solid
impurities
insoluble matter, passes filter test, ≤0.001% total nitrogen (N)
loss
≤0.5% loss on drying, 110 °C
pH
6.0-9.0 (25 °C, 1 M in H2O)
mp
681 °C (lit.)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
bromide, chloride (as Cl-): ≤100 mg/kg, iodate (IO3-): ≤2 mg/kg, phosphate (PO43-): ≤10 mg/kg, sulfate (SO42-): ≤10 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: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤300 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
absorption
cut-off at 273 nm in H2O at 1 M
application(s)
vitamins, nutraceuticals, and natural products
SMILES string
[K+].[I-]
InChI
1S/HI.K/h1H;/q;+1/p-1
InChI key
NLKNQRATVPKPDG-UHFFFAOYSA-M
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Ta pozycja | |||
|---|---|---|---|
| form solid | form powder | form powder | form powder or crystals |
| assay ≥99.5% (AT) | assay ≥99.0% | assay ≥99.0% | assay 99% |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility water: soluble(lit.) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| vapor pressure 1 mmHg ( 745 °C) | vapor pressure 1 mmHg ( 745 °C) | vapor pressure 1 mmHg ( 745 °C) | vapor pressure 1 mmHg ( 745 °C) |
| impurities insoluble matter, passes filter test, ≤0.001% total nitrogen (N) | impurities ≤0.0005% P, ≤0.005% Insoluble matter | impurities ≤0.0005% P, ≤0.005% Insoluble matter | impurities - |
| form solid | form powder | form powder | form powder or crystals |
| assay ≥99.5% (AT) | assay ≥99.0% | assay ≥99.0% | assay 99% |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility H2O: 1 M, clear, colorless | solubility water: soluble(lit.) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| vapor pressure 1 mmHg ( 745 °C) | vapor pressure 1 mmHg ( 745 °C) | vapor pressure 1 mmHg ( 745 °C) | vapor pressure 1 mmHg ( 745 °C) |
| impurities insoluble matter, passes filter test, ≤0.001% total nitrogen (N) | impurities ≤0.0005% P, ≤0.005% Insoluble matter | impurities ≤0.0005% P, ≤0.005% Insoluble matter | impurities - |
Application
Biochem/physiol Actions
signalword
Danger
hcodes
Hazard Classifications
STOT RE 1 Oral
target_organs
Thyroid
Klasa składowania
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
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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