| Calboxylic acid |
| LIPID_ID | CA0009 |
| CHEM_NA | CIS-1,2-ETHYLENE DICARBOXYLIC |
| ACID/(Z)-BUTENEDIOIC ACID |
| COMMON_NA | MALEIC ACID |
| MOL_FORMULA | C4H4O4 |
| MOL_WT | 116 |
| MELT_PT | 133-134ﾟC (007) |
| BOIL_PT |
| OPT_ROT |
| REFRA_IND |
| DENSITY | 1.59 |
| SOLUBILITY | 112.5g IN 100g 水 AT 40ﾟC(006),8.19g IN |
| 100gエーテル AT 25ﾟC,69.9g IN 100g 95%エタノール |
| AT 29.7ﾟC(006),35.77g IN 100gアセトン AT |
| UV_SPEC |
| IR_SPEC |
| NMR_SPEC | 1H (003) 6.27ppm:-CH=CH-(2H), |
| 12.19ppm:-COOH(2H),13C(017) |
| 173.6ppm:-COOH(INTER),170.0ppm:-COOH(INTRA) |
| 141.2ppm:CH=CH, 134.3ppm:CH=CH |
| MS_SPEC | CH3OH CI MASS SPECTRA(004): |
| 117[MH]+(100%),131[MH+14]+(3%),145[MH+28]+(3%),1 |
| 49[MH+32]+(28%),113[MH-4]+(13%),99[MH-18]+(5%) |
| TMS DERIVATIVES,EI MASS SPECTRA(005): |
| M/Z=245[M-CH3](21%), 147(100%),73[Si(CH3)3] (89%) |
| NOTE_SPEC |
| SOURCE |
| BIOL_ACTIV |
| NOTE |
| 1998年7月17日 | 9 / 20 ページ |