aluminum chloride
Definition
- Noun:
- A chemical compound: Aluminum chloride is an inorganic compound with the formula AlCl₃. It appears as a white or pale yellow solid, often with a pungent odor.
- A substance with industrial applications: It is primarily used as a catalyst in chemical reactions, such as in the production of pharmaceuticals and petrochemicals, and as a preservative for wood.
Usage Examples
- Noun:
- The chemist handled the aluminum chloride with care due to its corrosive nature.
- They treated the lumber with aluminum chloride to protect it from decay and insects.
Advanced Usage
- As a Lewis acid catalyst: In organic chemistry, aluminum chloride is frequently described as a classic Lewis acid, used to catalyze Friedel-Crafts reactions.
- The alkylation reaction required the addition of anhydrous aluminum chloride.
Variants and Related Words
- Aluminium chloride: The British English spelling variant.
- Aluminium trichloride: A more systematic chemical name emphasizing the three chlorine atoms.
- AlCl₃: The standard chemical formula.
Synonyms
- Catalyst (in specific contexts): When referring to its primary function in facilitating chemical reactions.
- Preservative (in specific contexts): When referring to its use in protecting wood.
Related Phrases
- Anhydrous aluminum chloride: The pure, water-free form, which is highly reactive and hygroscopic (absorbs moisture from the air).
- The synthesis must be performed under dry conditions using anhydrous aluminum chloride.
Noun
-
a chloride used as a wood preservative or catalyst
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