释义 |
Definition of toluene in English: toluenenounˈtɒljʊiːnˈtɑljuˌin mass nounChemistry A colourless liquid hydrocarbon present in coal tar and petroleum and used as a solvent and in organic synthesis. Alternative name: methylbenzene; chemical formula: C₆H₅CH₃ Example sentencesExamples - The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
- Toxic chemicals such as benzene, toluene and methyl benzene were included in the list.
- In combination with nitric acid, toluene gives trinitrotoluene.
- In a second method, toluene is mixed with nitric acid and oxidized to produce benzoic acid.
- The powdered bark can also be treated with solvents, such as toluene, or amyl alcohol to extract the quinine.
Origin Late 19th century: from tolu + -ene. Definition of toluene in US English: toluenenounˈtɑljuˌinˈtälyo͞oˌēn Chemistry A colorless liquid hydrocarbon present in coal tar and petroleum and used as a solvent and in organic synthesis. Alternative name: methylbenzene; chemical formula: C₆H₅CH₃ Example sentencesExamples - Toxic chemicals such as benzene, toluene and methyl benzene were included in the list.
- In combination with nitric acid, toluene gives trinitrotoluene.
- The powdered bark can also be treated with solvents, such as toluene, or amyl alcohol to extract the quinine.
- The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
- In a second method, toluene is mixed with nitric acid and oxidized to produce benzoic acid.
Origin Late 19th century: from tolu + -ene. |