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Home > Produkt-Liste > Kaliumsorbat > D (+) -Malsäure CAS-Nr .: 636-61-3

D (+) -Malsäure CAS-Nr .: 636-61-3

Basisinformation

Modell:  lf002

Produktbeschreibung

Modell Nr .: lf002 Aussehen: Pulver Säure Stärke: Starke Säure Qualität: Lebensmittel Grade Element: Monobasische Säure Volatilität: Flüchtige Säure Produktname: D (+) - Malic Acid Transport Paket: 200kg / Trommel oder 50kg / Trommel Herkunft: Anhui, China Klassifizierung: Phosphorsäure Klasse Standard: Landwirtschaft Grad Art: Anorganische Säure Verpackung: Plastik Trommel Oxidation: Oxidierende Säure Stabilität: Labile Acid Marke: leafchem Spezifikation: ISO9001 HS-Code: 3001200020
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
Structural Formula
 
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
MAIN FUNCTION AND PURPOSE
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
25kg net weight in cardboard drum or according to customer requirements
STORAGE
Kept airtightly in a light-proof, dry and cool place.

Produktgruppe : Kaliumsorbat

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