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
451614
Sodium carbonate
anhydrous, powder, 99.999% trace metals basis
Synonym(s):
Calcined soda, Carbonic acid disodium salt, Soda ash
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€ 87,50
€ 303,00
€ 417,00
About This Item
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Product Name
Sodium carbonate, anhydrous, powder, 99.999% trace metals basis
InChI key
CDBYLPFSWZWCQE-UHFFFAOYSA-L
InChI
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
SMILES string
O=C(O[Na])O[Na]
grade
anhydrous
assay
99.999% trace metals basis
form
powder
reaction suitability
core: sodium
impurities
≤15.0 ppm Trace Metal Analysis
mp
851 °C (lit.)
solubility
soluble 217 g/L at 20 °C (completely)
application(s)
electroplating
material synthesis precursor
Quality Level
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This Item | 222321 | 13418-M | 791768 |
|---|---|---|---|
| form powder | form powder or granules | form powder | form powder |
| solubility soluble 217 g/L at 20 °C (completely) | solubility - | solubility - | solubility - |
| assay 99.999% trace metals basis | assay ≥99.5% | assay 99.5-100.5% (calc. to the dried substance) | assay ≥99.5% |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| grade anhydrous | grade ACS reagent, anhydrous | grade - | grade ACS reagent, anhydrous |
| mp 851 °C (lit.) | mp 851 °C (lit.) | mp 851 °C (lit.) | mp 851 °C (lit.) |
Application
- Pore-inducing agent to synthesize Fe-based oxygen reduction catalysts.
- An alkaline solid sorbent to capture CO2 in flue gases.
- A precursor to synthesize high magnesium-bearing calcites in the pure phase.
Biochem/physiol Actions
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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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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