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
8.20171
Brom
for synthesis
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Synonym(e):
Brom
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
250 mL | Warenkorb auf Verfügbarkeit prüfen | € 141,00 |
1 L | Warenkorb auf Verfügbarkeit prüfen | € 360,00 |
Über diesen Artikel
vapor pressure
233 hPa ( 20 °C)
Quality Segment
form
liquid
reaction suitability
reagent type: oxidant
kinematic viscosity
0.314 cSt(20 °C)
bp
58.8 °C/1013 hPa
mp
-7.3 °C
solubility
35 g/L
density
3.12 g/cm3 at 20 °C (liquid)
storage temp.
15-25°C
SMILES string
[Br-]
InChI
1S/BrH/h1H/p-1
InChI key
CPELXLSAUQHCOX-UHFFFAOYSA-M
General description
Application
- Primäre Alkohole zu Aldehyden oder zu Estern und sekundäre Alkohole zu Ketonen.
- Alkohole oder Diole zu Tetrahydrofuranen in Gegenwart von Silber(I)-Salzen.
- Endiol-bis-trimethylsilylether zu α-Diketonen.
- Aldehyde zu Estern in Gegenwart von alkoholischen Lösungsmitteln und Natriumbicarbonat-Puffer.
- Aliphatische und aromatische Thiole zu Disulfiden.
Brom kann außerdem zusammen mit anderen Reaktionspartnern wie Hexamethylphosphortriamid (HMPA) und Bis(tributylzinn)oxid (HBD) für die selektive Oxidation von sekundären Alkoholen eingesetzt werden. Brom/Nickel-Carboxylate wandeln jedoch 1,4-Diole zu γ-Butyrolactonen durch selektive Oxidation des primären Alkohols um.
Analysis Note
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Signalwort
Danger
Hazard Classifications
Acute Tox. 1 Inhalation - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1A
Was ist los?
WGK 2
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Gefahrencodes
Lagerklasse
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
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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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