N-CARBAMOYLMALEAMIC ACID
- CAS NO.：105-61-3
- Empirical Formula: C5H6N2O4
- Molecular Weight: 158.11
- MDL number: MFCD00014790
- EINECS: 203-314-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:48:40
What is N-CARBAMOYLMALEAMIC ACID?
The Uses of N-CARBAMOYLMALEAMIC ACID
N-Carbamoylmaleamic acid, is used as a pharamceutical intermediate.
Purification Methods
Crystallise the acid from hot water. Dry it at ~100o over H2SO4. [Batt et al. J Am Chem Soc 76 3663 1954.]
Properties of N-CARBAMOYLMALEAMIC ACID
| Melting point: | 156-159°C |
| Density | 1.491±0.06 g/cm3(Predicted) |
| pka | 2.58±0.25(Predicted) |
| Water Solubility | Soluble in hot acetic acid, ethanol, acetone, benzene, chloroform. Practically insol in cold water, cold acetic acid, acetone, ligroin, chloroform, alc, ether. |
| Merck | 14,5706 |
| BRN | 1724683 |
| CAS DataBase Reference | 105-61-3(CAS DataBase Reference) |
Safety information for N-CARBAMOYLMALEAMIC ACID
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for N-CARBAMOYLMALEAMIC ACID
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