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.pdf
296945
Sodium cyanoborohydride solution
5.0 M in 1 M NaOH
Synonym(s):
Sodium borocyanohydride, Sodium cyanoborohydride, Sodium cyanotrihydroborate
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About This Item
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Quality Level
reaction suitability
reagent type: reductant
concentration
5.0 M in 1 M NaOH
density
1.083 g/mL at 25 °C
SMILES string
[Na+].[H][B-]([H])([H])C#N
InChI
1S/CH3BN.Na/c2-1-3;/h2H3;/q-1;+1
InChI key
CVDUGUOQTVTBJH-UHFFFAOYSA-N
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Related Categories
1 of 4
This Item | 296813 | 156159 | 71320 |
|---|---|---|---|
| Quality Level 200 | Quality Level 200 | Quality Level 300 | Quality Level 200 |
| reaction suitability reagent type: reductant | reaction suitability reagent type: reductant | reaction suitability reagent type: reductant | reaction suitability reagent type: reductant |
| density 1.083 g/mL at 25 °C | density 0.915 g/mL at 25 °C | density - | density - |
| concentration 5.0 M in 1 M NaOH | concentration 1.0 M in THF | concentration - | concentration - |
General description
Application
- Direct conversion of heterocyclic aldehydes to esters (oxidizing behavior)
- Reductive amination reactions
- Intramolecular reductive cyclization reactions
- Reductions reactions
- Preparation of dicyanoborate-based ionic liquids as hypergolic fluids for bipropellants
signalword
Danger
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
supp_hazards
Storage Class
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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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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