DL-Malic Acid

Product Name: DL-Malic Acid
CAS Number: 617-48-1
Molecular Formula: C4H6O5
 
Chemical name: DL-hydroxy butanedioic acid
Molecular Formula: C4H6O5
Molecular Weight: 134.09
DL-Malic Acid, FCCIV,
spec: Assay (as C4H6O5) : 99. 0% ~100. 5%
Specific Rotation: -0. 10~ + 0. 10
Heavy Metals (as Pb) : 10mg / KG Max
Residue on Ignition: 0. 1% Max
Fumaric Acid: 1. 0% Max
Maleic Acid: 0. 05% Max
Water-insoluble Matter: 0. 1% Max
Arsenic (as As2O3) : 4mg / KG Max
Packing: in 25 kgs bags.
 
DL-Malic acid can be used as an acidulant in cool drinks (including lactobacillus drinks, milk drinks, carbonated drinks, cola) , frozen foods (including sherbet and ice cream) , processed foods (including wine and mayonnaise) . It is used as color-keeper and antiseptic of juice. It is also used as emulsion stabilizer of egg yolk. Dl-Malic acid also can be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry, fluorescent whitening agent of polyester fibre.
 
 
L(-)-Malic Acid
CAS NO.:97-67-6

DESCRIPTION
White crystals or crystalline powder, fairly hygroscopic, dissolving easily in water and alcohol.
Chemical Name
L-hydroxy butanedioic acid
Molecular Formula
C4H6O5
Structural Formula
Molecular Weight
134.09
SPECIFICATION
(FCCIV,1996)
Assay(as C4H6O5)
99.0% Min
Clarity 
Clear
Specific Rotation
-1.6 ~ -2.6
Arsenic(as As2O3)
2.0mg/kg Max
Oxide
Qualified
Heavy Metals(as Pb)
20mg/kg Max
Residue on Ignition
0.05% Max
Chloride[Cl-]
0.004% Max
Sulfate
0.03% Max
Fumaric Acid
0.1% Max
Maleic Acid
0.05% Max
MAIN FUNCTION AND PURPOSE
As an acidulant, L-Malic acid is especially suitable for jelly and foodstuff containing fruit ingredient. It can keep the natural color of juice. Used in healthy drinks, it can resist fatigue and protect liver, kidney and heart. L-Malic acid can enhance pharmaceutical stability and improve pharmaceutical absorption. It can be added into composite amino acid injection, directly participating the metabolic cycle of organism-Krebs cycle. It can reduce the metabolic loss of amino acid and can compensate hypohepatia, cure uremia and hypertension, and weaken the damage of anticancer drug to normoblasts. It is also used in skin disinfector, air depurative and deodorizer.
PACKING
25KG net in Cardboard Drum with inner vacuum PE bag, 13.5MT/20FCL.
STORAGE
Kept airtightly in a light-proof, dry and cool place.

 
 
 
Name: D(+)-Malic Acid
CAS NO.: 636-61-3
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
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.

 
Fructose (Acetoacetic ester cyclic ethylene ketal)
Chemical name:2-methyl-2-ethylacetate-1,3-dioxacyclopentane. Molecular formula:C8H14O4, Molecular weight:174.20.
Properties: colorless transparent liquid. Boiling point 100 ?/2.27KPa, Relative density (d204)1.0850, Refractive index(nD20)1.4326.
Assay:=98%
Perfume: it is a new synthetic perfume, with the fresh and sweet odor of fruit,
Uses: It is widely used in apple, grass, flower, faint scent or flower-faint scent essences. It can work well with ligustral, linalyl acetate, jasmine and ylang-ylang.