-CH2-

-CH2-
Methylene Meth"yl*ene, n. [F. m['e]thyl[`e]ne, from Gr. ? wine + ? wood; -- a word coined to correspond to the name wood spirit.] (Chem.) A divalent hydrocarbon radical, {-CH2-}, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, {CH2Br2}; -- formerly called also {methene}. [1913 Webster]

{Methylene blue} (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also {pure blue}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • -CH2- — molecular formula mo*lec u*lar form u*la, n. (Chem.) An expression representing the composition of elements in a chemical substance, commonly consisting of a series of letters and numbers comprising the atomic symbols of each element present in a …   The Collaborative International Dictionary of English

  • Ch2 — Méthylène En chimie organique, le méthylène est un groupe fonctionnel divalent qui peut correspondre à : un groupement CH2 un groupement =CH2 l espèce radicalaire carbène :CH2 Voir aussi Méthyle Méthine Méthane …   Wikipédia en Français

  • CH2-COOH — Líquido corrosivo empleado en la producción de materiales plásticos de uso en procedimientos médicos y dentales. También llamado ácido 2 propenoico. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 …   Diccionario médico

  • CH2=CHCOOH — Acide acrylique Acide acrylique Général Nom IUPAC acide propènoïque Synonymes …   Wikipédia en Français

  • ch2 —    see square chain …   Dictionary of units of measurement

  • CH3-CH2-OH — molecular formula mo*lec u*lar form u*la, n. (Chem.) An expression representing the composition of elements in a chemical substance, commonly consisting of a series of letters and numbers comprising the atomic symbols of each element present in a …   The Collaborative International Dictionary of English

  • Свойства эфиров адипиновой кислоты ROCO(CH2)4COOR' — Соединение Тпл, °С Ткип, °С/мм рт. ст. d420 nD20 Метиладипинат (R=CH3, R =H) 3 160/12 …   Химический справочник

  • (186728) 2004 CH2 — Infobox Planet minorplanet = yes width = 25em bgcolour = #FFFFC0 apsis = name = (186728) symbol = caption = discovery = yes discovery ref = discoverer = James Whitney Young discovery site = Table Mountain Observatory near Wrightwood, California… …   Wikipedia

  • Свойства эфиров азелаиновой кислоты ROOC(CH2)7COOR — Соединение Тпл, °С Ткип, °С/мм рт. ст. d420 nD20 Диметилазелаинат (R=CH3) 21 120/10 …   Химический справочник

  • CH3(CH2)10COOH — Acide dodécanoïque Acide Laurique Général Nom IUPAC Acide dodécanoïque No CAS …   Wikipédia en Français

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