Autorizzo l’utilizzo di cookies.

Accetto Utilizziamo cookies per migliorare il nostro servizio e realizzare statistiche. Questa funzione puó essere disattivata cambiando la configurazione del browser. Continuando a navigare senza modificare questi parametri, consideriamo che l’uso di cookies sia accettato

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

H32785 Boron tribromide, 1M soln. in heptane

Codice CAS
10294-33-4
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
100ml 81,00
500ml 310,00
Aggiungi al carrello Aggiungi al preventivo generale Visualizza articolo

Boron tribromide, 1M soln. in heptane

MDL
MFCD00011312
EINECS
233-657-9

Proprietà chimiche

Formula
BBr3
Peso formula
250.52
Punto di ebollizione
90°
Punto di infiammabilità
-4°(25°F)
Densità
0.869
Sensibilità
Moisture & Light Sensitive
Solubilità
Reacts with water.

Applicazioni

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.

Note

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.

Letteratura

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.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H225-H300-H330-H314-H318-H336-H304

Highly flammable liquid and vapour. Fatal if swallowed. Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage. May cause drowsiness or dizziness. May be fatal if swallowed and enters airways.

Dichiarazioni precauzionali: P301+P310a-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a

IF SWALLOWED: Immediately call a POISON CENTER/doctor 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). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Classe di rischio
6.1
Gruppo di imballaggio
I
Codice tariffe armonizzato
2812.90
TSCA
Yes

Raccomandato

  • 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.)

Visualizzati di recente

Prodotti chimici

Scienze della vita

Metalli e materiali

Catalizzatori

Apparecchiature di analisi e di laboratorio