Description

Aluminum Bromide (AlBr₃) is an inorganic compound widely utilized in chemical synthesis and industrial applications. This anhydrous reagent appears as a white to pale-yellow crystalline solid with high hygroscopicity, requiring careful handling under moisture-free conditions. With a molecular weight of 266.69 g/mol and CAS number 7727-15-3, it serves as a potent Lewis acid catalyst in Friedel-Crafts alkylation and acylation reactions. Its high reactivity with water necessitates storage in sealed containers under inert gas. Available in purities up to 99.9%, our product is ideal for pharmaceutical intermediates, polymer production, and specialty chemical manufacturing. Technical specifications include: melting point 97.5°C, boiling point 255°C, and density 3.205 g/cm³ (25°C).

Properties

• CAS Number: 7727-15-3
• Complexity: 8
• IUPAC Name: tribromoalumane
• InChI: InChI=1S/Al.3BrH/h;3*1H/q+3;;;/p-3
• InChI Key: PQLAYKMGZDUDLQ-UHFFFAOYSA-K
• Exact Mass: 265.73450
• Molecular Formula: AlBr3
• Molecular Weight: 266.69
• SMILES: [Al](Br)(Br)Br
• Monoisotopic Mass: 263.73655
• Physical Description: Aluminum bromide, anhydrous appears as a white to yellowish-red, lumpy solid with a pungent odor.
• Color/Form: White-yellowish monoclinic crystals
• Boiling Point: 255 °C
• Melting Point: 97.5 °C
• Solubility: It is similar to anhydrous AlCl3 but is more reactive and more sol in organic media. … Fumes strongly in air; combines with water with violence.
• Density: 3.2
• Vapor Pressure: 1 mm Hg at 81.3 °C
• Stability/Shelf Life: Fumes strongly in air… . Keep /anhydrous form/ tightly closed and protect from moisture. …Keep /hexahydrate form/ well closed.
• Synonyms: ALUMINUM BROMIDE, 7727-15-3, Tribromoaluminum, Aluminum bromide, anhydrous, Aluminum bromide (anhydrous), HSDB 2066, Aluminum bromide, anhydrous(DOT), EINECS 231-779-7, UNII-IY20HBK5LK, NSC 87608, IY20HBK5LK, NSC-87608, Aluminium Bromatum, ALUMINUM BROMIDE, (ANHYDROUS), 231-779-7, aluminum tribromide, aluminum tribromide (albr3), tribromoalumane, Aluminum bromide (AlBr3), AlBr3, MFCD00003421, Aluminum Tribromide; Aluminum Tribromide (AlBr3); NSC 87608;, UN1725, UN2580, SCHEMBL42628, NSC87608, AKOS015902783, Aluminum bromide, powder and chunks, >=98%, Aluminum bromide, 99.99% trace metals grade, D88529, Aluminum bromide, >=99.99% trace metals basis, Q259311, Aluminum bromide, anhydrous [UN1725] [Corrosive], Aluminum bromide, anhydrous, powder, 99.999% trace metals basis

Application

Aluminum bromide is extensively employed as a catalyst in organic synthesis, particularly for Friedel-Crafts reactions to form carbon-carbon bonds. It facilitates the alkylation and isomerization of aromatic compounds in petrochemical refining processes. The compound also finds use in the preparation of aluminum-based complexes and as a brominating agent in pharmaceutical manufacturing. In materials science, it serves as a precursor for aluminum-containing thin films via chemical vapor deposition.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

Precautionary Statements

• P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P363, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Skin Corr. 1B (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.