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
Fortfahren mit
52017
3-Hydroxybuttersäure
analytical standard
Synonym(e):
(±)-3-Hydroxybuttersäure, DL-β-Hydroxybuttersäure
Größe auswählen
| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
50 mg | Warenkorb auf Verfügbarkeit prüfen | € 110,00 |
Über diesen Artikel
grade
analytical standard
Quality Segment
assay
≥98.0% (GC)
shelf life
limited shelf life, expiry date on the label
refractive index
n20/D 1.4390-1.4450, n20/D 1.443 (lit.)
bp
118-120 °C/2 mmHg (lit.)
density
1.126 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
CC(O)CC(O)=O
InChI
1S/C4H8O3/c1-3(5)2-4(6)7/h3,5H,2H2,1H3,(H,6,7)
InChI key
WHBMMWSBFZVSSR-UHFFFAOYSA-N
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Dieser Artikel | ||
|---|---|---|
| description analytical standard | description 95% | description 98% |
| grade analytical standard | grade - | grade - |
| density 1.126 g/mL at 25 °C (lit.) | density 1.126 g/mL at 25 °C (lit.), 1.126 g/mL at 25 °C | density - |
| shelf life limited shelf life, expiry date on the label | shelf life - | shelf life - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 |
| refractive index n20/D 1.443 (lit.), n20/D 1.4390-1.4450 | refractive index n20/D 1.443 (lit.) | refractive index - |
| assay ≥98.0% (GC) | assay 95% | assay 98% |
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Signalwort
Danger
Gefahrencodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Lagerklasse
8A - Combustible corrosive hazardous materials
Flammpunkt (°F)
233.6 °F - closed cup
Flammpunkt (°C)
112 °C - closed cup
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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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