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
383112
Sodium iodide
ACS reagent, ≥99.5%
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About This Item
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InChI key
FVAUCKIRQBBSSJ-UHFFFAOYSA-M
InChI
1S/HI.Na/h1H;/q;+1/p-1
grade
ACS reagent
vapor density
>1 (vs air)
vapor pressure
~1 hPa ( 767 °C)
assay
≥99.5%
form
chunks or granules, crystalline powder, powder or crystals
impurities
≤0.002% N compounds, ≤0.01% insolubles
pH
6.0-9.0 (25 °C, 5%)
mp
661 °C (lit.)
anion traces
Cl- and Br-: ≤0.01%, iodate (IO3-): ≤3 ppm, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Ba: ≤0.002%, Ca: ≤0.002%, Fe: ≤5 ppm, K: ≤0.01%, Mg: ≤0.001%, heavy metals (as Pb): ≤5 ppm
Quality Level
SMILES string
[Na+].[I-]
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Related Categories
1 of 4
This Item | |||
|---|---|---|---|
| form chunks or granules, powder or crystals, crystalline powder | form powder | form powder | form crystalline |
| assay ≥99.5% | assay ≥99% | assay ≥99% | assay 99.999% trace metals basis |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade ACS reagent | grade - | grade anhydrous | grade - |
| impurities ≤0.002% N compounds, ≤0.01% insolubles | impurities <1.0% water | impurities ≤1.0% water | impurities ≤15.0 ppm Trace Metal Analysis |
| mp 661 °C (lit.) | mp 661 °C (lit.) | mp 661 °C (lit.) | mp 661 °C (lit.) |
General description
Application
It may be used in the following processes:
- Precursor in the polymerization of butyl acrylate.
- Chaotropic agent in the extraction of DNA.
- Deprotecting agent in the removal of N-tert-butyloxycarbonyl group in amino acids.
- Water-soluble fluorescence quenching reagent.
Other Notes
Legal Information
flash_point_f
Not applicable
flash_point_c
Not applicable
target_organs
Thyroid
signalword
Danger
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT RE 2 Oral
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
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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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