Malic acid

Group Food additives
Min. Order 1 piece
Terms of Payment all
Update Time 2019-06-29
  • Description
  • Product review
Product Description
Malic acid, also known as 2-hydroxysuccinic acid, has two stereoisomers due to an asymmetric carbon atom in the molecule. In nature, it exists in three forms, namely D-malic acid, L-malic acid and a mixture thereof DL-malic acid. 

White crystal or crystalline powder, which has strong hygroscopicity and is easily soluble in water and ethanol. Have a special pleasant sour taste.

Malic acid is stable under normal conditions and hygroscopic when humidity is high



Product Parameter

Test
Requirement
 Result
ASSAY (%)
99.0 –100.5
99.2
SPECIFIC ROTATION
–0.1 -- +0.1
0
MELTING RANGE (℃)
127-132
130
WATER INSOLUBLES (%)
MAX 0.1
0.01
SULPHATED ASH(%)
MAX 0.1
0.06
FUMARIC ACID (%)
      MAX 1.0   
0.56
MALEIC ACID(%)
 MAX 0.05
0.01
HEAVY METALS PPM
NMT 10
<10
ARSENIC PPM
MAX 2
<2
LEAD PPM
MAX 2
<2
MERCURY PPM
MAX 1
<1
IDENTIFICATION TEST
IR ABSORPTION
 COMFORMED
Conclusion
The product complies with the standard above.
Application





Malic acid is mainly used in the food and pharmaceutical industries.

DL malic acid is used as an acid stabilizer, a color retention agent, a preservative, and an emulsion stabilizer for egg yolk, etc. in the food industry. DL malic acid is also used in pharmaceuticals.

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