5,6-Diamino-1,3-dimethyluracil hydrate
Synonym(s):4,5-Diamino-1,3-dimethyl-2,6-dioxotetrahydropyrimidine;5,6-Diamino-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione;5,6-Diamino-1,3-dimethyluracil hydrate;NSC 15493
- CAS NO.:5440-00-6
- Empirical Formula: C6H10N4O2
- Molecular Weight: 170.17
- MDL number: MFCD00006551
- EINECS: 226-621-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:50:34
What is 5,6-Diamino-1,3-dimethyluracil hydrate?
Chemical properties
Pale Brown Solid
The Uses of 5,6-Diamino-1,3-dimethyluracil hydrate
5,6-Diamino-1,3-dimethyluracil hydrate can be used as reactant involved in the synthesis of biologically active molecules including: 1H-Imidazol-1-yl substituted 8-phenylxanthines for use as adenosine receptor ligands ; Pyrimidinyl purinediones via cyclocondensation ; Theophylline derivatives as adenosine receptor antagonists ; Pteridine analogs for use as monoamine oxidase B and nitric oxide synthase inhibitors ; Fused tricyclic xanthines and Cadmium uraciliminoethylpyridine complexes for use as antiproliferatives against C6 glioma cells6.
The Uses of 5,6-Diamino-1,3-dimethyluracil hydrate
5,6-Diamino-1,3-dimethyl Uracil (cas# 5440-00-6) is a compound useful in organic synthesis.
The Uses of 5,6-Diamino-1,3-dimethyluracil hydrate
Reactant involved in the synthesis of biologically active molecules including:
- 1H-Imidazol-1-yl substituted 8-phenylxanthines for use as adenosine receptor ligands
- Pyrimidinyl purinediones via cyclocondensation
- Theophylline derivatives as adenosine receptor antagonists
- Pteridine analogs for use as monoamine oxidase B and nitric oxide synthase inhibitors
- Fused tricyclic xanthines
- Cadmium uraciliminoethylpyridine complexes for use as antiproliferatives against C6 glioma cells
Purification Methods
It recrystallises from EtOH. The hydrochloride has m 310o (from MeOH), and the perchlorate has m 246-248o. [UV: Bredereck et al. Chem Ber 92 583 1959, Taylor et al. J Am Chem Soc 77 2243 1955, Beilstein 25 III/IV 4133.]
Properties of 5,6-Diamino-1,3-dimethyluracil hydrate
| Melting point: | 210-214 °C (dec.)(lit.) |
| Boiling point: | 243.6±50.0℃ (760 Torr) |
| Density | 1.350±0.06 g/cm3 (20 ºC 760 Torr) |
| Flash point: | 101.1±30.1℃ |
| solubility | DMSO, Methanol |
| form | Solid |
| pka | 4.42±0.70(Predicted) |
| color | Pale Brown |
| BRN | 157451 |
| EPA Substance Registry System | 2,4(1H,3H)-Pyrimidinedione, 5,6-diamino-1,3-dimethyl- (5440-00-6) |
Safety information for 5,6-Diamino-1,3-dimethyluracil hydrate
| 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. 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 5,6-Diamino-1,3-dimethyluracil hydrate
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