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10294-33-4 - Boron tribromide, 1M soln. in heptane - H32785 - Alfa Aesar

H32785 Boron tribromide, 1M soln. in heptane

CAS-Nummer
10294-33-4
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100ml 71,97
500ml 253,32
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Boron tribromide, 1M soln. in heptane

MDL
MFCD00011312
EINECS
233-657-9

Chemische Eigenschaften

Formel
BBr3
Molmasse
250.52
Siedepunkt
90°
Flammpunkt
-4°(25°F)
Dichte
0.869
Sensitivität
Moisture & Light Sensitive
Löslichkeit
Reacts with water.

Anwendungen

It is an excellent demethylating or dealkylating agent for the cleavage of ethers, also with subsequent cyclization, often in the production of pharmaceuticals. The use of boron tribromide for effecting complete demethylation of aryl methyl ethers at, or below, room temperature. Phase-Vanishing Reactions that Use Fluorous Media as a Phase Screen. Facile, Controlled Bromination of Alkenes by Dibromine and Dealkylation of Aromatic Ethers by Boron Tribromide.

Bemerkungen

Moisture & Light Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents, light, moisture, bases.

Literaturverweise

J.F.W. McOmie,; M.L. Watts,; D.E. West. Demethylation of aryl methyl ethers by boron tribromide. Tetrahedron. year of publication , 24 (5),2289-2292.

Arthur M. Felix. Cleavage of protecting groups with boron tribromide . J. Org. Chem. 1974, 39 (10),1427-1429.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H300-H330-H336-H304-H314-H318-H400-H410

Highly flammable liquid and vapour. Fatal if swallowed. Fatal if inhaled. May cause drowsiness or dizziness. May be fatal if swallowed and enters airways. Causes severe skin burns and eye damage. Causes serious eye damage. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Sicherheitshinweise: P210-P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Rinse mouth. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Gefahrenklasse
6.1
Verpackungsgruppe
I
Harmonized Tariff Code
2812.90
TSCA
Yes

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