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
229873
Sodium acetate
99.995% trace metals basis
Synonym(s):
Acetic acid sodium salt
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About This Item
Quality Segment
assay
99.995% trace metals basis
form
solid
autoignition temp.
1112 °F
reaction suitability
core: sodium
pH
8.5-9.9 (25 °C, 246 g/L)
pKa
4.76 (acetic acid)
mp
>300 °C (dec.) (lit.)
solubility
soluble 246 g/L at 20 °C (completely)
SMILES string
[Na+].CC([O-])=O
InChI
1S/C2H4O2.Na/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1
InChI key
VMHLLURERBWHNL-UHFFFAOYSA-M
Application
- Silver films by aerosol-assisted chemical vapor deposition (AACVD) method.
- Sodium beta-alumina(SBA) by solution deposition method, which finds application in dielectrics and solid-state electrolytes.
- Lead-free(K, Na)NbO3 ferroelectric thin films.
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This Item | |||
|---|---|---|---|
| description 99.995% trace metals basis | description Pharmaceutical Secondary Standard; Certified Reference Material | description meets USP testing specifications, anhydrous | description BioXtra, ≥99.0% |
| assay 99.995% trace metals basis | assay - | assay 99-101% dry basis | assay ≥99.0% |
| Quality Level 200 | Quality Level 300 | Quality Level 200 | Quality Level 200 |
| form solid | form solid | form solid | form solid |
| pH 8.5-9.9 (25 °C, 246 g/L) | pH - | pH 8.5-9.9 (25 °C, 246 g/L) | pH 8.5-9.9 (25 °C, 246 g/L) |
| solubility soluble 246 g/L at 20 °C (completely) | solubility - | solubility soluble 246 g/L at 20 °C (completely) | solubility H2O: 1 M, clear, colorless |
| mp >300 °C (dec.) (lit.) | mp - | mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) |
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Storage Class
11 - Combustible Solids
WGK
WGK 1
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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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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