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
470864
Bromina
≥99.99% trace metals basis
Sinonimo/i:
Dibromine
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About This Item
Prodotti consigliati
Densità del vapore
7.14 (vs air)
Livello qualitativo
Tensione di vapore
175 mmHg ( 20 °C)
671 mmHg ( 55 °C)
Saggio
≥99.5% (by Na2S2O3, titration)
≥99.99% trace metals basis
Resistività
7.8E18 μΩ-cm, 20°C
Impurezze
≤0.001% I2
≤0.001% S compounds
<100 ppm total metallic impurities
Residuo dopo evaporazione
≤0.005%
P. ebollizione
58.8 °C (lit.)
Punto di fusione
−7.2 °C (lit.)
Densità
3.119 g/mL at 25 °C (lit.)
Anioni in tracce
chloride (Cl-): ≤0.05%
Cationi in tracce
Ni: ≤5 ppm
heavy metals: ≤2 ppm
Stringa SMILE
BrBr
InChI
1S/Br2/c1-2
GDTBXPJZTBHREO-UHFFFAOYSA-N
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Categorie correlate
Applicazioni
It can be used:
- To brominate alkylbenzenes at the benzylic position using photocatalytic conditions.[1][2]
- To prepare brominated aromatic compounds by electrophilic aromatic substitution reactions in the presence of Lewis acid catalysts.[1]
- For the bromination of carbonyl compounds at a carbonyl group via Hell-Volhard-Zelinski reaction in the presence of phosphorus trihalides.[2]
- To prepare isocyanates, carbamates, or amines by reacting with primary amides in the presence of base via Hofmann rearrangement.[1]
Altre note
Avvertenze
Danger
Indicazioni di pericolo
Classi di pericolo
Acute Tox. 1 Inhalation - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1A
Codice della classe di stoccaggio
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 2
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Faceshields, Gloves, Goggles
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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/449/386/product-dating-information-mk.pdfUtile?
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