The unknown dissolved only in concentrated sulfuric acid. 1348 Suggests an unsaturated hydrocarbon or a neutral oxygen containing compound. Solvent is deuterochloroform. Ӿžsd2 ̽úȿ '!5u&1! ǴpR 132023303334383941424344454648495154 The unknown is an aromatic aldehyde (ratio of 1 aldehyde to 7 aromatic H's). # dummy ms # # # # # None of the extra elements were detected. 212531353941424349264048 Only carbon, hydrogen and possibly oxygen are present. Burnt with a sooty flame leaving no residue. # The compound is unsaturated or aromatic (high C/H ratio). 57 to 60 degrees # A low melting solid, not very polar or ionic. Nujol mull "!!!! !"""!!!!"""!!! !! !! !""!"#""###$$#$%%%%&&'''((()7))).2-+**********+,,..////12347??>?ABDJHGILTviXMDA@UJR_qnkd]|cOJEEEECAAMW__`nZRFCA?IRIC>:88;Sq^V]dMArq{\IC?>>>>=<<<<<<<::<93/-+*)))(()/M<,+,7:2-*('%#"%%%&'(&%(&,*OiE522478=@JQScf 132023303334383941424344454648495154 The unknown is an aromatic carbonyl compound. Decomposed before distilling. # Typical of most organic solids. Optically inactive. # Not a chiral molecule. Not easily measured for a solid. # Usually measured only for liquids. Not available for a solid. # Usually only measured for a liquid. # # # # # # # dummy cmr # # # # # # # # # # # A dense yellow coloured precipitate formed. # A carbonyl group is present (either an aldehyde or ketone). No observable reaction at room temperature. 3344454651 No reactive groups like alcohols or acids are present. # # # A pink colour slowly formed but could be due to exposure to air. # Probably an aldehyde but aromatic ones are slow to react. # # # No change could be seen. 14 The compound is not an ester. # # # # # # No observable change was seen. # No methyl ketone group is present. No change appeared to take place. # Possibly not an aldehyde but the test is mainly for aliphatic aldehydes. Rapid formation of a silver mirror was observed. # Aldehyde group present (a reliable test for aromatic & aliphatic aldehydes). No reaction was seen. 3344454651 Compounds like alcohols, phenols, prim. amines and sec. amines are absent. # # # A reaction ocurred giving a brown precipitate. # An oxidisable group is present. # # # No apparent reaction. 23 The unknown is not a carbohydrate. # # # No reaction took place. # Unsaturation is absent. No reaction. # No cleavable group is present e.g. esters or ethers. No change was seen. # The compound is not a phenol. # # # # # # # # # # # # # # # # # # # # # # # # A vigorous reaction occurred. # Not a saturated aliphatic hydrocarbon. # # # # # # No observable reaction. # Suggests that an aldehyde is absent but test is unreliable for aromatic comps. # # # No reaction. # Not an unsaturated compound nor a phenol. No reaction could be observed. # No hydrolysable groups like esters are present. No reaction. 3344454651 Compounds like alcohols, phenols, prim. amines and sec. amines are absent. # # # # # # # # # # # # # # # # # # colourless solid 01050729 0 618385939697 Colourless solid having a m.p. of 182-184 degrees. Solid with m.p 228-230. Crystalline solid m.p. 244-247 degrees. Solid with m.p. 205 to 206 degrees. Yellow crystalline solid m.p. 269-272 degrees. Solid with melting range 154-156 degrees. 3 ti ti_^ʮ akofá solid aldehyde 5 1-hydroxy-2-naphthaldehyde 2-naphthaldehyde 3-ethoxy-3-methoxybenzaldehyde 4-phenylbenzaldehyde 3-methoxy-1-naphthaldehyde