4-Aminopyrimidine
- CAS NO.：591-54-8
- Empirical Formula: C4H5N3
- Molecular Weight: 95.1
- MDL number: MFCD00006112
- EINECS: 200-158-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-04 15:33:06
What is 4-Aminopyrimidine?
Chemical properties
White to slightly beige crystals or powder
The Uses of 4-Aminopyrimidine
4-Aminopyrimidine has been used in the preparation of 1:4-dihydro-4-imino-1-methylpyrimidine hydriodide.
Definition
ChEBI: Pyrimidin-4-amine is an aminopyrimidine.
General Description
The consequences of one-electron oxidation and one-electron reduction were studied for 4-aminopyrimidine.
Purification Methods
Recrystallise 10.6g of aminopyrimidine from hot EtOAc (200mL) to give 7.4g colourless needles as first crop; evaporation to 25mL gives a second crop of 1.7g. The hydroiodide has m 180o. The picrate has m 225o. [Brown J Soc Chem Ind (London) 69 353 1950, Beilstein 24 H 81, 24 III/IV 2130.]
Properties of 4-Aminopyrimidine
| Melting point: | 154-156 °C (lit.) |
| Boiling point: | 167.6°C (rough estimate) |
| Density | 1.1031 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | Crystals or Powder |
| pka | 5.71(at 20℃) |
| color | White to slightly beige |
| Water Solubility | Slightly soluble in water. |
| λmax | 273nm(EtOH)(lit.) |
| CAS DataBase Reference | 591-54-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrimidine, 4-amino-,(591-54-8) |
Safety information for 4-Aminopyrimidine
| 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 4-Aminopyrimidine
4-Aminopyrimidine manufacturer
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