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
54965
(±)-Sodium 3-hydroxybutyrate
≥99.0% (NT)
Synonym(s):
(±)-3-Hydroxybutyric acid sodium salt
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
Quality Level
assay
≥99.0% (NT)
mp
167-170 °C
functional group
hydroxyl
SMILES string
[Na+].CC(O)CC([O-])=O
InChI
1S/C4H8O3.Na/c1-3(5)2-4(6)7;/h3,5H,2H2,1H3,(H,6,7);/q;+1/p-1
InChI key
NBPUSGBJDWCHKC-UHFFFAOYSA-M
Application
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥99.0% (NT) | assay ≥99.0% (NT) | assay - | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| mp 167-170 °C | mp - | mp 161-167 °C (lit.) | mp 161-167 °C (lit.) |
| functional group hydroxyl | functional group hydroxyl | functional group - | functional group - |
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 54965-50G-F | 04061832575377 |
| 54965-10G-F | 04061832575308 |
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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Is your hydroxybutyrate chemically synthesized or produced from fermentation?
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This product is produced from chemical synthesis and fermentation from cell culture. This information is presented on the lot specific Certificate of Origin. Please navigate to the ‘DOCUMENTATION’ section of the Product Detail Page to access a Certificate under the ‘Certificate of Origin’ tab:
https://www.sigmaaldrich.com/product/aldrich/54965#product-documentationHelpful?
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What is the ratio of the two isomers in product 54965?
1 answer-
Product 54965 is considered a racemic material, which means that there is approximately a 50/50 ratio of the two isomers. However, it is not tested or characterized, so it cannot be guaranteed to be exactly 50/50, but it should be close.
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