L (-) -Malic Acid

L (-) -Malic Acid

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 mainly used in the food and pharmaceutical industries.

Description

Our Sucra, Glycerol monostearate POWDER, sodium phosphates are widely praised and well responded to the market once they are put into the market. Over the years, the company has won the praise of customers with stable quality and good reputation. The company has a good reputation and ensure that industry standards, adhering to the 'customer first, service first' business purpose. We pursue the global nature of our business and drive the global expansion of the company with innovation empowerment. In this global competitive market, high quality and high technology bring us more market advantages.

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

5
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.



With the continuous changes in market demand, our products are constantly updated and developed, so that the performance of L (-) -Malic Acid is always at the forefront of the industry. Finishing has always been our constant purpose. Good products are in control of the details, we check every level, and strive to perfect the details of the product. Our company continuously strengthens our independent innovation ability, speeds up personnel training, increases investment, and promotes our development.

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