bromoform
Học thuậtThân thiện
A scientist carefully pours bromoform from a small glass bottle into a beaker.
Definition
Noun: 1. A colorless, heavy liquid chemical compound: Bromoform is a specific organic compound with the chemical formula CHBr₃. It is a type of haloform, historically used as a solvent, sedative, and in fire extinguishers, but its use is now limited due to toxicity.
Usage
- Bromoform is primarily discussed in scientific, industrial, or historical contexts.
- It is typically used as a mass noun (not countable).
Examples
Scientific Context:
- The laboratory synthesized a small quantity of bromoform for the experiment.
- The study measured the concentration of bromoform in the water sample.
Historical/Industrial Context:
- In the 19th century, bromoform was sometimes prescribed as a cough sedative.
- The production of bromoform has declined due to environmental and health concerns.
Advanced Usage
- As a reagent: Bromoform can be used in specific chemical reactions, such as the Reimer-Tiemann reaction for formylating phenols.
- The reaction proceeded using bromoform under basic conditions.
Variants and Related Words
- Haloform (noun): A class of compounds with the formula CHX₃, where X is a halogen (chlorine, bromine, or iodine). Bromoform is the bromine member of this group.
- Tribromomethane (noun): A systematic chemical name for bromoform, emphasizing its structure (three bromine atoms on a methane base).
Synonyms
- Tribromomethane: The IUPAC name, used interchangeably in technical literature.
Notes on Meaning
- The core meaning is strictly chemical. It does not have idiomatic, metaphorical, or common non-technical uses. Its definition is precise and tied to its molecular structure (CHBr₃).
A scientist carefully pours bromoform from a small glass bottle into a beaker.
Noun
- colorless liquid haloform CHBr3