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Calboxylic acid

LIPID_IDCA0010

CHEM_NATRANS-1,2-ETHYLENE DICARBOXYLIC

ACID/(E)-BUTENEDIOIC ACID

COMMON_NAFUMARIC ACID

MOL_FORMULAC4H4O4

MOL_WT116

MELT_PT286゚C (002)

BOIL_PT

OPT_ROT

REFRA_IND

DENSITY1.625

SOLUBILITY1.07g IN 100g 水 AT 40゚C,2.4g IN 100g水 AT

60゚C(006), 0.72g IN100gエーテル AT 25゚C, 5.75g IN

100g 95%エタノール AT 29.7゚C(006), 1.72g IN

100gアセトン AT 29.7゚C(006)

UV_SPEC

IR_SPEC

NMR_SPEC13C (017) 172.5ppm:(COOH)2(2C),

136.9ppm:-CH=CH-(2C),1H(017)

13.0ppm:(COOH)2(2H),7.0ppm:CH=CH(2H)

MS_SPECCH3OH CI MASS

SPECTRA(004):117[MH]+(100%),131[MH+14]+(20%),14

9[MH+32]+(22%),113[MH-4]+(3%),99[MH-18]+(32%)TM

S DERIVATIVES,EI MASS

SPECTRA(005):M/Z=245[M-CH3](100%), 147(31%),

73[Si(CH3)3] (74%)

NOTE_SPEC

SOURCE

BIOL_ACTIV

NOTE

1998年7月17日10 / 20 ページ