Molekula DL-Malic acid
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Specification & product details.
DL-Malic acid is a white crystalline organic acid used in food, pharmaceuticals, and chemical synthesis as a pH adjuster and flavor enhancer.
CAS number: 617-48-1
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Specifications
| Property | Value |
| Appearance | White/ off white crystalline powder |
| Melting Point | 127 - 132°C |
| Fumaric acid | ≤1.0% |
| Maleic acid | ≤0.05% |
| Identification | Conforms to reference |
| Assay | 99.0 - 100.5 |
| Water insoluble matter | ≤0.1% |
| Lead (Pb) | ≤ 2ppm |
| Arsenic trioxide (As2O3) | ≤ 2ppm |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | Colorless crystals |
| Odour | Characteristic |
| Melting Point | 130.97 °C /OECD Guideline 102 (Melting point / Melting Range)/ |
| Solubility (other solvents) | It is highly soluble in methanol, ethanol, acetone, ether, and other polar solvents |
| Vapour Pressure | 3.28 × 10⁻⁸ mmHg at 25 °C (extrapolated) |
| pKa | pKa1 = 3.51 |
| log P (octanol/water) | -1.26 |
Identification
| Property | Value |
| SKU | 13559814 |
| CAS Number | 617-48-1 |
| IUPAC Name | 2-hydroxybutanedioic acid |
| EC Number | 210-514-9 |
| Molecular Formula | HO2CCH2CH(OH)CO2H |
| Molecular Weight | 134.09 |
| Exact Mass | 134.0215 |
| SMILES | C(C(C(=O)O)O)C(=O)O |
| InChIKey | BJEPYKJPYRNKOW-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9) |
| PubChem CID | 525 |
| REACH Code | Y110 |
| HTS Code | 2918.19.6000 |
| Tariff Code | 2918199890 |
Safety & GHS
Warning
- Health HazardGHS07
Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P261Avoid breathing dust/fume/gas/mist/vapours/spray
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P301+312IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352IF ON SKIN: Wash with soap and water
- P304+340IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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Alternative names
2-Hydroxybutanedioic acid; alpha-Hydroxysuccinic acid; Butanedioic acid, hydroxy-; Deoxytetraric acid; hydroxybutanedioic acid; hydroxysuccinic acid; Kyselina jablecna; malic acid; Malic acid, DL-; Pomalus acid
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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