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DL-Malic Acid
Specifications
| Item | Index |
| Appearance | White granules or crystalline powder |
| Assay(C4H6O5) % | 99.0~100.5 |
| Fumaric acid content %≤ | 1 |
| Maleic acid content %≤ | 0.05 |
| Heavy Metal(Pb) ppm≤ | 10 |
| Arsenic(As) ppm≤ | 2 |
| Mercury ppm≤ | 1 |
| Burning Residue %≤ | 0.1 |
| Water insoluble matter %≤ | 0.1 |
| Specific spin luminosity[α]20 | -0.10°~+0.10° |
| Melting range℃ | 127~132 |
| Identification Test | IR absorption |
Packing & Storage
| Packing | In 25kg bag |
| Storage | 20℃, 2 years. |
| Shipping | Room temperature in China; may vary elsewhere |
Free Quote
For samples, pricing, or more information, please call us at 0086-25-52397805 or mail to admin@maleic-anhydride.net or fill out the following form. We will respond to you as soon as possible.
Tel: 0086-25-52397805
Fax: 0086-25-51192304
E-mail: admin@maleic-anhydride.net
General Information
Chemical & Physical Information
Safety Information
Synthetic Route
Chemical & Physical Information
| Common Names | DL-Malic acid | dl-Hydroxybutanedioic acid | ||
| Structure |  | ||
| CAS No. | 617-48-1 | Boiling Point (℃) | 306.4±27.0 °C |
| Molecular Weight | 134.087 | Melting Point (℃) | 130-132ºC |
| Appearance | White powder | Vapor Specific Gravity | 4.6 |
| HS Code | 2917190090 | Flash Point (℃) | 153.4±20.2 °C |
| Solubility | Soluble in water, ethanol | Autoignition Temperature (℃) | / |
Safety Information
| Safety Phrases | / | ||
| RIDADR | / | ||
| WGK Germany | / | ||
| Packaging Group | / | ||
| Hazard Class | / | ||
| SYMPTOMS | PREVENTION | FIRST AID | |
| Inhalation | Cough. Sore throat. | Use local exhaust or breathing protection. | Fresh air, rest. |
| Skin | Redness. Burning sensation. Itching. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
| Eyes | Redness. Pain. | Wear safety goggles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
| Ingestion | Abdominal pain. Nausea. Vomiting. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention. |
Synthetic Route
