Properties: [a]D20 -6° (10 min) ® -38.6° (15 days). The free acid forms the lactone spontaneously. pK (25°): 3.68.
pKa: pK (25°): 3.68
Optical Rotation: [a]D20 -6° (10 min) ® -38.6° (15 days)
Derivative Type: Sodium salt
Percent Composition: C 33.04%, H 5.08%, Na 10.54%, O 51.34%
Properties: Crystals. [a]D20 +11.5°. Sol in water.
Optical Rotation: [a]D20 +11.5°
Derivative Type: Calcium salt
Percent Composition: Ca 9.31%, C 33.49%, H 5.15%, O 52.05%
Properties: [a]D21 -14.45° (c = 1.73). Precipitated from aq soln by alc.
Optical Rotation: [a]D21 -14.45° (c = 1.73)
产品链接: 20246-33-7››