Aromatic Hydrocarbon
Aromatic Hydrocarbon : (n.) Drilling Fluids. A type of compound containing hydrogen and carbon atoms arranged in a symmetrical 6-carbon ring structure with single (C-C) and double (C=C) bonds alternating around the ring. Rings are single, multiple or fused and can have other chemical groups attached in place of hydrogen. Benzene, C6H6?is the simplest single-ring aromatic, napthalene, C10H8, the simplest fused-ring aromatic and toluene is the simplest aromatic, having an alkyl side chain, C6H5-CH3. Xylene, a common oilfield chemical, has two methyl side chains, C6H4-(CH3)2. Aniline is the simplest aromatic amine, C6H5-NH2?and is used in theaniline point test. Aromatic hydrocarbons in oils used to prepare?oil-base mud?can damage elastomers and increase the toxicity of the fluid. The aniline point test is used for?screening?oils to infer aromatic content. See: Aliphatic Compound, Aromatic Content Test, Naphthenic Hydrocarbon, Olefinic Hydrocarbon, Paraffinic Hydrocarbon, Styrene, Xylene
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