5-AMINOPYRIMIDINE
- CAS NO.：591-55-9
- Empirical Formula: C4H5N3
- Molecular Weight: 95.1
- MDL number: MFCD01529870
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:49
What is 5-AMINOPYRIMIDINE?
Definition
ChEBI: Pyrimidin-5-amine is an aminopyrimidine.
Purification Methods
It is purified by conversion to the MgCl2 complex in a small volume of H2O. The complex (~ 5g) is dissolved in the minimum volume of hot H2O, passed through a column of activated Al2O3 (200g), and the column is washed with EtOH. Evaporation of the EtOH gives a colourless residue of the aminopyrimidine which is recrystallised from *C6H6 (toluene could also be used) which forms needles at first, then prisms. It melts with sublimation. Acetylation yields 5-acetamidopyrimidine which crystallises from *C6H6, m 148-149o. [Whittaker J Chem Soc 1565 1951.]
Properties of 5-AMINOPYRIMIDINE
| Melting point: | 171°C(lit.) |
| Boiling point: | 240.7±13.0 °C(Predicted) |
| Density | 1.216±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | powder to crystal |
| pka | 2?+-.0.10(Predicted) |
| color | White to Light yellow |
| λmax | 315nm(EtOH)(lit.) |
Safety information for 5-AMINOPYRIMIDINE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral 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. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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 5-AMINOPYRIMIDINE
| InChIKey | FVLAYJRLBLHIPV-UHFFFAOYSA-N |
5-AMINOPYRIMIDINE manufacturer
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