Maleamic acid
- CAS NO.：557-24-4
- Empirical Formula: C4H5NO3
- Molecular Weight: 115.09
- MDL number: MFCD00082354
- EINECS: 209-163-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-07 08:52:35
What is Maleamic acid?
Chemical properties
solid
The Uses of Maleamic acid
Intermediate in the preparation of a new conjugated agent for radioiodination of proteins.
Definition
ChEBI: A dicarboxylic acid monoamide of maleamic acid.
Purification Methods
Crystallise it from EtOH. [Beilstein 2 H 752, 2 II 646, 2 III 1927, 2 IV 1927.] IRRITANT.
Properties of Maleamic acid
| Melting point: | 158-161 °C (lit.) |
| Boiling point: | 215.33°C (rough estimate) |
| Density | 1.4769 (rough estimate) |
| refractive index | 1.4170 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | 2.86±0.25(Predicted) |
| form | Solid |
| color | White to off-white |
| Merck | 14,5701 |
| Stability: | Stable, but light sensitive. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 557-24-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Maleamic acid(557-24-4) |
Safety information for Maleamic acid
| Signal word | Warning |
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Maleamic acid
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