METHYL

n. Me*th'ial. Lat., methylum. Fr., methyle. Ger., M. It., metile, metilo. Sp., metilo. The hypothetical radicle. CH3, of m. alcohol. [B, 38, 46, 48, 125 (o, 14).] Acetylm'. See ACETONE. Acid m. phosphite. See M. phosphite. Acid m. sulphate. See under M. sulphate. Cyanm' (Ger.). See ACETONITRILE. Diacid m. citrate. M'citric acid (see under M. citrate). [B.] Dihydric m. citrate. M'citric acid (see under M. citrate}. [B.] Dimolecular m. cyanide. A substance. C4HBN2 = (CH3C)N.,, obtained in white acicular crystals from a mixture of ether and ligroin. It is easily soluble in ether, alcohol, and chloroform, le soluble in water, and melts at 52 to 53 C. ["Proc. of the Am. Pharm. A oc.," xxxvii (a, 14).] Hydrated m. oxide. See M. ALCOHOL. M'acetal. Fr., methyl acetal. A compound, CaH4. QQ|J 6, formed from acetal by substituting one j molecule of m. for one of ethyl. It is a very mobile, colorle liquid, having an odor like that of acetal, and is formed by the oxidation of a mixture of ethylic and methylic alcohols by means of manganese peroxide and sulphuric acid. It has hypnotic properties like acetal. [B, 2 B, 93 (a, 14).] M'acetanilide. A substance, CeHBN(CH3)Cj,H3O, crystallizing in long needles. [B, 3 (a, 38;.] M. acetate. Fr.. acetate de methyle. Ger.. E igsfiureM'ester. A liquid, CH3.OC2H3O = C3H6O2, isomeric, therefore, with propionic acid. It boils at 56 C. [B, 4.] M'ace to acetate. A salt of m'ace to acetic acid. [B.] M'ace to acetic acid. Syn.: a-acetyl propionic acid. A substitution compound, C5H8O3 = CHoCOCH(CH3).COOH, of ace to acetic acid, boiling at about 177 C. [B, 3 (a, 38).] M. ace to citrate. Ger., A cet aid tron ens dure-M'- ester. A colorle liquid, C,,H]6Oe = C2H4C(C2H3O2).(COOCH3)3, boiling at about 282 C. (B, 3.] M'acetone. Fr., methyl acetone. Ger., M'aceton. A substance, C4H8O, obtained in the rectification of commercial acetones. It has an odor like that of chloroform, has a sp. gr. of 0'838 at 19 C., and boils between 75 and 77 C. [B, 93, 125 (a, 14).] M'acetyl. See ACETONE. M'acetylene. See ALLYLENE. M'acrylsaure (Ger.). Methacrylic acid. [B.] M'aesculetin. A substance, C8H6(OCH3)O3, crystallizing in shining needles which melt at 184 C. [B, 3 (a, 38).] M. alcohol. See the major list. M. aldehyde. See FORMIC aldehyde. M'alizarin. Fr., methyl alizarine. Ger., M. A substance, CiBH loO4 = C]4H6(OH).(OCH3)O2, very similar to alizarin. It sublimes at about 252 C. to form red needles, and is di olved by alkalies, striking a violet-blue color. [B. 2; B, 4 (a, 38); B, 93 (a, 14).] M'alkohol (Ger.). See M. ALCOHOL. M'allantoin. Fr., methylallaritoine. A substance, C$H8N4O3 = C4H5- (CH3)N4O3, obtained by oxidizing methyl uric acid in an alkaline solution by means of pota ium permanganate. It forms colorle prisms fusing at 225 C., sparingly soluble in cold water and in alcohol, readily soluble in boiling water, and insoluble in ether. [B, 93 (a. 14).] M. allophanate. Fr., allophanate de methyle. Ger., M'allophanat. Allophansaure-M'ester. A body, C3H6N2O3 = NHa.- CO NH COO(CH3), forming colorle acicular crystals. [B, 2.] M'amide. See M'AMINE. M'amido acetic acid. See M'- glycocoll. M'amido anisic acid. An acid, C8H7.(NHCH3)O3, isomeric with tyrosine. [B, 2.] M'amido benzene sulphonic acid. M'aniline sulphonic acid. [B.] M. amido cyanurate. Ger., Ammelidm'ester. A body, C3 N3.(OCH3)2.NH2. occurring in tabular crystal smelting at 212 C. fB.] M'amidoe igsaure (Ger.). See M'gljfcncoll. M'amido valerian ate. A salt of m'amidovalerianic acid. [B.] M'amidovaleriaiiic acid. loo; U", blue; U>, lull; U, full; U6, urn: U8, like ii (German). [s. 767]