| Customization: | Available |
|---|---|
| CAS No.: | 6915-15-7 |
| Formula: | C4h6o5 |
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Brief:
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.| Test | Requirement | Result |
| ASSAY (%) | 99.0 -100.5 | 99.2 |
| SPECIFIC ROTATION | -0.1 -- +0.1 | 0 |
| MELTING RANGE (ºC) | 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. | |
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TNN was founded in 1998 in Dalian China with headquarter in Dalian, overseas branch offices in the USA, Australia, and Dubai. TNN has three domestic branches in Jilin, Shanghai, and Shenyang. Mix container and professional loading with taking photos off every step. Our own laboratory, pre-shipment sample before shipment, and keep batch samples.
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