Naphthalene red
Naphthalene Naph"tha*lene, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also {naphthaline}. [1913 Webster]

{Naphthalene red} (Chem.), a dyestuff obtained from certain diazo derivatives of naphthylamine, and called also {magdala red}.

{Naphthalene yellow} (Chem.), a yellow dyestuff obtained from certain nitro derivatives of naphthol. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Naphthalene — Naph tha*lene, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of… …   The Collaborative International Dictionary of English

  • Naphthalene yellow — Naphthalene Naph tha*lene, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a… …   The Collaborative International Dictionary of English

  • Naphthalene — Not to be confused with Naphtha, a broad term describing liquid hydrocarbon mixtures. Naphthalene …   Wikipedia

  • magdala red — Naphthalene Naph tha*lene, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a… …   The Collaborative International Dictionary of English

  • D&C Red 33 — IUPAC name Disodium 5 amino 4 hydroxy 3 (phenylazo) naphthalene 2,7 disulfonate …   Wikipedia

  • Congo red — Naphthalene dye that is pH sensitive (blue violet at pH 3, red at pH 5). Used as vital stain, also in staining for amyloid …   Dictionary of molecular biology

  • Allura Red AC — Chembox new ImageFile=Allura Red AC.png IUPACName=disodium 6 hydroxy 5 ((2 methoxy 5 methyl 4 sulfophenyl)azo) 2 naphthalene sulfonate OtherNames= Allura Red , Food Red 17 , C.I. 16035 , FD C Red 40 , 2 naphthalenesulfonic acid , or disodium salt …   Wikipedia

  • C10H8 — Naphthalene Naph tha*lene, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a… …   The Collaborative International Dictionary of English

  • naphthaline — Naphthalene Naph tha*lene, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a… …   The Collaborative International Dictionary of English

  • Magdala — Mag da*la, a. Designating an orange red dyestuff obtained from naphthylamine, and called magdala red, naphthalene red, etc. [1913 Webster] …   The Collaborative International Dictionary of English

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