Molekula Malonic acid
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Specification & product details.
Malonic acid is a dicarboxylic acid (CAS 141-82-2) with the molecular formula CH₂(COOH)₂ and a molecular weight of 104.06 g/mol.
CAS number: 141-82-2
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Specifications
| Property | Value |
| Appearance | White crystalline powder |
| Melting Point | 131.5-137.0°C |
| Heavy metals | ≤ 20ppm |
| Loss on Drying | ≤ 0.5% |
| Chloride (Cl-) | 0.02% max |
| Assay | 97 - 101.5% |
| Purity (GC) | ≥97% |
| Residue on Ignition | ≤ 0.1% |
| Appearance of Solution | Clear to slightly hazy, Colourless to faint yellow and complete |
| Identification (IR) | Conforms to reference |
| Sulphates (SO4)(2-) | 0.1% max |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Flash Point | 172 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | White crystals |
| Melting Point | 135 °C |
| Boiling Point | 140 °C at 760 mmHg (decomposes) |
| Density | 1.619 g/cm³ at 10 °C |
| Water Solubility | 623 g/L at 25 °C |
| Vapour Pressure | 2.7 × 10⁻⁶ mmHg at 23 °C |
| pKa | pKa = 2.85 (at 25 °C) |
| log P (octanol/water) | -0.81 |
Identification
| Property | Value |
| SKU | 13843683 |
| CAS Number | 141-82-2 |
| IUPAC Name | propanedioic acid |
| EC Number | 205-503-0 |
| Molecular Formula | CH2(COOH)2 |
| Molecular Weight | 104.06 |
| Exact Mass | 104.011 |
| SMILES | C(C(=O)O)C(=O)O |
| InChIKey | OFOBLEOULBTSOW-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H4O4/c4-2(5)1-3(6)7/h1H2,(H,4,5)(H,6,7) |
| PubChem CID | 867 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2917.19.70.50 |
| Tariff Code | 2917191090 |
Safety & GHS
Warning
- CorrosiveGHS05
- Health HazardGHS07
Hazard statements
- H303May be harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory 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
- 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
1,3-Propanedioic acid; Carboxyacetic acid; Dicarboxymethane; disodium;malonate; Kyselina malonova; malonate; malonyl; Methanedicarboxylic acid; propanedioic acid; USAF EK-695
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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