DL-Malic acid

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DL-Malic acid

CAS NO.: 617-48-1
Molecular Formula: C4H6O5 Molecular Weight: 134.09
Structural Formula:

Property:

DL-Malic acid is white crystals or white crystalline powder, soluble in water, alcohol and other organic solvent. DL-Malic acid ‘ s 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 ( 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
Fumaric Acid 0.5% Max
Maleic Acid 0.05% Max
Sulfate
0.04% Max

Usage:

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) . DL-Malic acid is used as color-keeper and antiseptic of juice. DL-Malic acid 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.

Package and Storage:

25kg net weight in kraft bag or according to customer requirements. Kept air tightly in a light-proof, dry and cool place.

Keywords: Hydrozybutanedioic acid, DL-Malic acid, Malic Acid, DL-Apple acid

L-Malic acid
CAS NO.: 97-67-6 EINECS: 202-601-5
Molecular Formula: C4H6O5 Molecular weight: 134.08
Molecular Structure:

Properties:

As an acidulant, L-Malic acid is especially suitable for jelly and foodstuff containing fruit ingredient. L-Malic acid can keep the natural color of juice. L-Malic acid used in healthy drinks, L-Malic acid can resist fatigue and protect liver, kidney and heart. L-Malic acid can enhance pharmaceutical stability and improve pharmaceutical absorption.
Specification:
Standard: Japanese Standard of Food additives VII
Items Index
Assay( as C4H6O5) 99.0% Min
Clarity Clear
Specific Rotation -1.6 ~ -2.6

Arsenic( as As) 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

Usage:

L-Malic acid can be added into composite amino acid injection, directly participating the metabolic cycle of organism-Krebs cycle. L-Malic acid 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. L-Malic acid is also used in skin disinfector, air depurative and deodorizer.

Package and :

25KG net in Cardboard Drum with inner vacuum PE bag.

Keywords L-Malic acid , L-Hydroxysuccinic acid; Apple acid, Malic Acid

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