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
480886
Sodium borohydride
granular, 99.99% trace metals basis
Synonym(s):
Sodium tetrahydridoborate
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€138.00
€436.00
About This Item
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Product Name
Sodium borohydride, granular, 99.99% trace metals basis
InChI key
YOQDYZUWIQVZSF-UHFFFAOYSA-N
InChI
1S/BH4.Na/h1H4;/q-1;+1
SMILES string
[BH4-].[Na+]
assay
99.99% trace metals basis
form
granular
reaction suitability
reagent type: reductant
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
mp
>300 °C (dec.) (lit.)
greener alternative category
Quality Level
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This Item | 452874 | 452882 | 8.06373 |
|---|---|---|---|
| assay 99.99% trace metals basis | assay 98% | assay ≥98.0% | assay - |
| reaction suitability reagent type: reductant | reaction suitability reagent type: reductant | reaction suitability reagent type: reductant | reaction suitability reagent type: reductant |
| Quality Level 200 | Quality Level 200 | Quality Level 300 | Quality Level 200 |
| form granular | form granular | form powder | form solid |
| mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) | mp >360 °C (slow decomposition) |
| greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics - |
Application
General description
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react 1
supp_hazards
Storage Class
4.3 - Hazardous materials which set free flammable gases upon contact with water
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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How can I determine the shelf life / expiration / retest date of this product?
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May I know the reagent grade of this item? Is it AR grade?
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Currently, Analytical Reagent or AR grade is not a utilized term. This item it a very high purity option, packaged under nitrogen, and tested for trace analysis. While not tested for a specific application, this material is expected to perform well in highly sensitive analytical or chemical synthesis applications.
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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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