97-67-6 - Names and IdentifiersNameL(-)-Malic acidSynonymspinguosuanL-MailcacidL-malic acidL(-)
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| Name | L(-)-Malic acid |
| Synonyms | pinguosuan L-Mailcacid L-malic acid L(-)-Malic acid l-(ii)-malicacid L-(-)-Malic acid L-(-)-Malic acid, CP L-Hydroxysuccinic acid L-Gydroxybutanedioicacid (2S)-2-hydroxybutanedioate (S)-(-)-Hydroxysuccinic acid hydroxy-,(S)-Butanedioicacid Butanedioicacid,hydroxy-,(S)- (2S)-2-hydroxybutanedioic acid Butanedioic acid, 2-hydroxy-, (2S)- |
| CAS | 97-67-6 |
| EINECS | 202-601-5 |
| InChI | InChI=1/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1 |
| InChIKey | BJEPYKJPYRNKOW-REOHCLBHSA-N |
| Molecular Formula | C4H6O5 |
| Molar Mass | 134.09 |
| Density | 1.60 |
| Melting Point | 101-103 °C (lit.) |
| Boling Point | 167.16°C (rough estimate) |
| Specific Rotation(α) | -2 º (c=8.5, H2O) |
| Flash Point | 220 °C |
| JECFA Number | 619 |
| Water Solubility | soluble |
| Solubility | Soluble in water. 1g of the product can be dissolved in 1.4ml of alcohol, 1.7ml of ether, 0.7ml of methanol, 2.3ml of propanol, almost insoluble in benzene. |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Crystallization |
| Specific Gravity | 1.595 (20/4℃) |
| Color | White |
| Merck | 14,5707 |
| BRN | 1723541 |
| pKa | (1) 3.46, (2) 5.10(at 25℃) |
| PH | 2.2 (10g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Sensitive | Sensitive to light and easy to absorb moisture |
| Refractive Index | -6.5 ° (C=10, Aceton |
| MDL | MFCD00064213 |
| Physical and Chemical Properties | Melting point 101-103°C specific optical rotation -2 ° (c = 8.5, H2O) water-soluble solution |
| Use | Used as food additives, pharmaceutical raw materials |
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | ON7175000 |
| TSCA | Yes |
| HS Code | 29181980 |
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