Consentement d'utilisation des Cookies

J'accepte Notre site sauvegarde des traceurs textes (cookies) sur votre appareil afin de vous garantir de meilleurs contenus et à des fins de collectes statistiques.Vous pouvez désactiver l'usage des cookies en changeant les paramètres de votre navigateur. En poursuivant votre navigation sur notre site sans changer vos paramètres de navigateur vous nous accordez la permission de conserver des informations sur votre appareil.

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

H32785 Boron tribromide, 1M soln. in heptane

Numéro CAS
10294-33-4
Synonymes

Dimensions Prix ($) Quantité Disponibilité
100ml 71,97
500ml 253,32
Ajouter au panier Ajouter au devis en vrac Afficher l'article

Boron tribromide, 1M soln. in heptane

MDL
MFCD00011312
EINECS
233-657-9

Propriétés chimiques

Formule
BBr3
Poids formulaire
250.52
Point d'ébullition
90°
Point d'éclair
-4°(25°F)
Densité
0.869
Sensibilité
Moisture & Light Sensitive
Solubilité
Reacts with water.

Applications

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.

Notes

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.

Références bibliographiques

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.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): 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.

Mentions de prudence: 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.

Autres références

Classe de danger
6.1
Groupe d'emballage
I
Code tarifaire harmonisé
2812.90
TSCA
Yes

Recommandé

  • A10448

    Ethyl bromoacetate, 98%
  • A10924

    N,N-Dimethylacetamide, 99%
  • A13285

    Formic acid, 97%
  • A16163

    Formaldehyde, 37% w/w aq. soln., stab. with 7-8% methanol
  • H30234

    Catecholborane, 50% w/w in toluene (98% dry wt.)

Consulté récemment

Produits chimiques

Sciences de la vie

Métaux et matériaux

Catalyseurs

Analytique et matériel de laboratoire