| Customization: | Available |
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| Storage Method: | Normal |
| Shelf Life: | >12 Months |
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Malic Acid is a naturally occurring organic acid, renowned for its superb ability to enhance flavors. Its chemical name is hydroxysuccinic acid, with a molecular formula of C4H6O5 and a molecular weight of 134.09. It is identified by its CAS number, which varies based on optical rotation:
L-(-) -malic acid: CAS number 97-67-6 represents the left-handed, naturally abundant form.
Dl-malic acid: CAS No. 6915-15-7 signifies the racemic mixture, available through synthetic processes.
Malic acid finds extensive application across the food, pharmaceutical, and chemical industries. It serves as an exceptional acidulant, possessing anti-oxidative properties and capabilities for chelating metal ions.
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L Malic Acid
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DL Malic Acid
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Item
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Standard
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Item
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Standard
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Assay(C4H6O5):
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≥99.0%
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Assay( C4H6O5):
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99.0%~100.5%
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Specific Rotation[α]D20ºC:
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-1.6°~-2.6°
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Specific Rotation[α]D25ºC
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-0.10°~+0.10°
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Residue on Ignition:
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≤0.10%
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Arsenic(as As):
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≤2mg/kg
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Clarity test:
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Qualified
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Lead(as Pb):
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≤2mg/kg
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Sulfate (as SO4):
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≤0.02%
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Residue on Ignition:
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≤0.1%
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Chloride(as Cl):
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≤0.004%
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Fumaric acid:
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≤1.0%
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Fumaric acid:
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≤0.5%
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Maleic acid:
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≤0.05%
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Maleic acid:
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≤0.05%
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Water insoluble matter:
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≤0.1%
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Application field
Food Industry:
Within the food industry, as an acidifier (E296), it is employed to infuse beverages, sweets, jams, and more with a delightful natural fruit acid flavor.
In the realm of effervescent tablets and mouthwashes, it serves as an alternative to citric acid, expertly masking bitterness and enhancing mouthfeel.
Medical field:
In medical applications, it serves as an intermediate for synthesizing chiral compounds such as alpha-amino protective reagents.
As excipients for treating liver disorders, burns, and ulcers, it can be administered orally or via injection.
Chemical & Daily Chemicals:
In the chemical sector, it supports the production of polyester resin, fluorescent whitening agents, and acts as a chelating agent.
In cosmetics, it plays a role as a pH regulator and antioxidant, enhancing product efficacy.
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