LIPID_ID | FA0455 |
CHEM_NA | PROPANEDIOIC ACID |
COMMON_NA | MALONIC ACID |
MOL_FORMULA | C3H4O4 |
MOL_WT | 104 |
ABBREVIATION | 3:1 |
MELT_PT | 135.6゚C (002) |
BOIL_PT |
OPT_ROT |
REFRA_IND |
DENSITY |
SOLUBILITY | 73.5 IN 20゚C WATER (002) |
UV_SPEC |
IR_SPEC | OH,CH GROUP(011): 3000cm-1(BROAD), CO |
GROUP(011): 1750cm-1, OH,CH GROUP (012): |
3100cm-1, CO GROUP(012): 1720cm-1, |
Q(C-O)+β(COH)(012): 1425cm-1, ν(OCO) (012): |
NMR_SPEC | 13C NMR(014)BELOW 356K, (2C):178 AND 177.6ppm |
-CO-O-, (IC):43.7ppm -CH2- OVER 358K, |
(2C):SINGLE PEAK 178ppm -CO-O-, (IC): 43.7ppm |
-CH2-, POTASSIUM SALT(MONO SALT)(017) 1H |
19.3ppm:COOH/COOK(1H), 2.8ppm:CH2(2H) |
MS_SPEC | M/E=104[M],87[M-OH],69[M-OH-H2O],60[M-CO2],4 |
5[M-CO2-CH3]=[COOH],43[M-CO2-OH]=[CH2COH], |
42[M-CO2-H2O]=[CH2CO] (010) |
ME-ESTER(013) [M=132], M/E=101[M-OCH3]" |
NOTE_SPEC |
SOURCE | カルシウム塩の形で ビートの根に存在。(001) |
BIOL_ACTIV |
NOTE |
1998年8月24日 | 455 / 513 ページ |