D(+)-malic acid
CAS NO.·ª6915-15-7(Standard: FCCIV,1996)
Name·ªD(+)-malic acid
Function·ª
DESCRIPTION:white crystals or white crystalline powder, soluble in water, alcohol and other organic solvent. Its aqueous solution is acidic.
Chemical Name:R-hydroxy butanedioic acid
Molecular Formula:C4H6O5
Molecular Weight:134.09
SPECIFICATION(FCCIV,1996):
Assay(as C4H6O5):99.0%~100.5%
Optical purity (e.e%,Chiral HPLC):98.0% Min
Specific Rotation (c=8.5,H2O):+1.6 ~+2.6
Arsenic(As2O3):2.0mg/kg Max
Heavy Metal(Pb):20mg/kg Max
Residue On Ignition:0.1% Max
Chloride[Cl-]:0.01% Max
Sulfate :0.04% Max
Fumaric Acid:0.5% Max
Maleic Acid:0.05% Max
Cas no.6915-15-7(standard: fcciv, 1996)
Named(+)-malic acid
Function
Description:white crystals or white crystalline powder, soluble in water, alcohol and other organic solvent. Its aqueous solution is acidic.
Chemical name:r-hydroxy butanedioic acid
Molecular formula:c4h6o5
Molecular weight:134.09
Specification(fcciv, 1996):
Assay(as c4h6o5):99.0%~100.5%
Optical purity (e.E%, chiral hplc):98.0% min
Specific rotation (c=8.5, h2o):+1.6 ~+2.6
Arsenic(as2o3):2.0mg/kg max
Heavy metal(pb):20mg/kg max
Residue on ignition:0.1% max
Chloride[cl-]:0.01% max
Sulfate :0.04% max
Fumaric acid:0.5% max
Maleic acid:0.05% max
