DL-Malic Acid CAS 6915-15-7 And L-Malic Acid 97-67-6

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DL-Malic Acid CAS 6915-15-7 and L-Malic Acid 97-67-6

Product   Name:

DL-Malic   Acid

L-Malic   Acid

Characteristics:

White   or almost white crystalline powder or powder

White   or nearly white crystalline powder or granules, with a special acid taste

CAS   Number:

6915-15-7  

97-67-6

Assay

99.0%   ~ 100.5%

99.0%   ~ 100.5%

Formula:

C4H6O5

C4H6O5

Structure:


Package:  25Kg/Bag. Usually we will prepare pallet.

Description:  Malic acid is a chemical exist in some fruits and wines. It is a dicarboxylic acid that is made by all living organisms. There are 2 forms of Malic Acid, “DL-Malic” Acid  and “L-Malic Acid”. But only L-Malic Acid exist naturally. Malic Acid is used to produce medical formulations, or as a flavoring agent to give food a good taste. Malic Acid medicines are usually taken orally.

The salts and esters of Malic Acid are known as Malates. The malate anion is the intermediate for the citric acid cycle.

 

Function:

1.Pain release and reduce the feeling of tiredness or fibromyalgia. This make it useful in medicine or some health product making.

2.Energy improvement.

3.Food Additive: In foods, Malic Acid is used as a flavoring additive to give food a tart taste.

4. Skin care or protection: Malic Acid is also a common additive to skin care products. It has been used in skin products for its exfoliating ability.

 

Side Effects:   

Although Malic Acid is generally regarded as a very safe and effective supplement, there can be some minor side effects for very few people. It may cause skin redness, muscle pain, nausea, constipation, swollen skin, chest pain or sometimes itching. Although it is annoying, these side effects will disappear after a couple days.

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Main Indexes –DL-Malic Acid

Name   of Product

DL-Malic   Acid

Testing Item

Standard

Result

Appearance  

White   or nearly white crystalline powder or granules, with a strong acid taste.

Complies

Melting Point

127°C ~ 132°C

129°C

Specific   Optical Rotation

-0.1°   ~ +0.1°

Water   Insolubles

≤   0.1

0.02%

Residual on Ignition

≤   0.1%

0.04%

Fumaric   Acid

≤   1.0%

0.39%

Maleic   Acid

≤   0.05%

0.01%

Pb

≤   2ppm

<   2ppm

Arsenic

≤   3ppm

<   3ppm

Mercury

≤   1ppm

<   1ppm

Heavy   Metals

≤   10ppm

<   10ppm

Assay

99.0%   ~ 100.5%

(DL-Malic   Acid)

99.21%

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Main Indexes –L-Malic Acid

Name   of Product

L-Malic   Acid

Testing Item

Standard

Result

Appearance  

White   or nearly white crystalline powder or granules, with a special acid taste

Complies

Specific Optical Rotation

-1.6°   ~ -2.6°

-2.0°

Sulfate(SO4)

≤   0.02%

< 0.02%

Chloride

≤   0.004%

< 0.002%

Residual on Ignition

≤   0.1%

0.03%

Fumaric   Acid

≤   0.5%

0.05%

Maleic   Acid

≤   0.05%

0.01%

Pb

≤   2ppm

<   2ppm

Arsenic

≤   2ppm

<   2ppm

Heavy   Metals

≤   10ppm

<   10ppm

Assay

99.0%   ~ 100.5%

(L-Malic   Acid)

99.3%

 


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