| 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 known for its chemical name, hydroxysuccinic acid. With a molecular formula of C4H6O5 and a molecular weight of 134.09, it is notable for its CAS numbers which vary based on optical rotation:
L-(-)-malic acid: CAS number 97-67-6. This is the left-handed, naturally occurring variant, often cherished for its natural authenticity. 414
Dl-malic acid: CAS No. 6915-15-7. Known as a racemic mixture, this synthetic form expands its versatility for various industrial applications. 5814
Malic acid's versatility extends across food, medicine, and the chemical industry, where it excels in acid adjustment, acts as an antioxidant, and functions as a chelating agent for 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:
Used as an acidifier (E296), its delightful natural fruit acid flavor enhances beverages, sweets, jams, and more, bringing a refreshing taste to the palate.
It serves as an alternative to citric acid in effervescent tablets and mouthwashes, skillfully masking bitterness while enriching mouthfeel.
Medical Field:
Plays a pivotal role as an intermediate in synthesizing chiral compounds, such as alpha-amino protective reagents, contributing to advancements in medical chemistry.
Used as excipients for conditions like liver disorders, burns, and ulcers. It can be administered orally or through injection, showcasing its therapeutic flexibility.
Chemical & Daily Chemicals:
Integral in producing polyester resin, fluorescent whitening agents, and chelating agents. Its utility extends through diverse chemical applications. 414
In cosmetics, it functions as a pH regulator and antioxidant, enhancing product safety and efficacy.
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