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
A7631
(+)-Sodium L-ascorbate
crystalline, ≥98%
Synonym(s):
L(+)-Ascorbic acid sodium salt, Vitamin C sodium salt
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€65.00
€77.90
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About This Item
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Product Name
(+)-Sodium L-ascorbate, crystalline, ≥98%
InChI key
PPASLZSBLFJQEF-RXSVEWSESA-M
InChI
1S/C6H8O6.Na/c7-1-2(8)5-3(9)4(10)6(11)12-5;/h2,5,7-10H,1H2;/q;+1/p-1/t2-,5+;/m0./s1
SMILES string
[Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-]
biological source
synthetic
assay
≥98%
form
crystalline
technique(s)
HPLC: suitable
color
white to off-white
mp
220 °C (dec.) (lit.)
Quality Level
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This Item | 11140 | A4034 | PHR1279 |
|---|---|---|---|
| technique(s) HPLC: suitable | technique(s) - | technique(s) cell culture | mammalian: suitable, cell culture | plant: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| assay ≥98% | assay ≥99.0% (NT) | assay ≥98% | assay - |
| biological source synthetic | biological source - | biological source synthetic (organic) | biological source - |
| form crystalline | form powder or crystals | form powder | form - |
| color white to off-white | color white | color white to off-white | color - |
| mp 220 °C (dec.) (lit.) | mp 220 °C (dec.) (lit.) | mp 220 °C (dec.) (lit.) | mp 220 °C (dec.) (lit.) |
Application
- as a component of cutting solution for storing brain slices of rats[1]
- as a component of patch pipette internal solution for imaging Ca2+ transients evoked by action potential in rat brain slices[1]
- as a supplement for arterial smooth muscle cell (SMC) cultures to encourage collagen production[2]
Biochem/physiol Actions
Disclaimer
Storage Class
11 - Combustible Solids
wgk
WGK 1
ppe
Eyeshields, Gloves, type N95 (US)
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Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.
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How can I determine the shelf life / expiration / retest date of this product?
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The storage temperature of L-Ascorbic acid(Cat# A4544) and Ascorbate(Cat# A7631) ?
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Both products may be stored at room temperature.
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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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