| Model: | 617-48-1 |
|---|---|
| Brand: | irotaihe |
| Origin: | Made In China |
| Category: | Chemicals / Fodder Additives |
| Label: | Malic acid , DL-Malic acid |
| Price: |
US $11111
/ pc
|
| Min. Order: | 10000 pc |
| Live Chat: | Last Online:18 Oct, 2011 |
Malic acid
Synonyms: Hydrozybutanedioic acid, DL-Malic acid
CAS NO.：617-48-1
Molecular Formula：C4H6O5 Molecular Weight：134.09
Structural Formula：
Properities:
white crystals or white crystalline powder, soluble in water, alcohol and other organic solvent. Its aqueous solution is acidic.
Specification:
items | index |
Assay(as C4H6O5) | 99.0%~100.5% |
Optical purity(e.e%,Chiral HPLC) | 98.0% Min |
Specific Rotation | +1.6 |
Arsenic(As2O3) | 2.0mg/kg Max |
Heavy Metal(Pb) | 20mg/kg Max |
Residue On Ignition | 0.1% Max |
Chloride[Cl-] | 0.01% Max |
Fumaric Acid | 0.5% Max |
Maleic Acid | 0.05% Max |
Sulfate | 0.04% Max |
Usage:
It is an important four-carbon atoms chiral pool. It is mainly used in many fields including chiral pharmaceuticals, chiral additives and chiral auxiliaries. It is used as chiral pool of chiral synthesis in pharmaceutical and food industries. As an optically active organic acid, it is insubstitutable in asymmetry synthesis of some chiral compounds.
Packing and Storage:
25kg net weight in cardboard drum or according to customer requirements
Kept airtightly in a light-proof, dry and cool place.
Keywords:
Malic Acid, Hydrozybutanedioic acid, DL-Malic acid