1,3-DIMETHYL-2,6-DIOXO-4-AMINOTETRAHYDROPYRIMIDINE
6-amino-1,3-dimethyluracil
CAS: 6642-31-5
Molecular Formula: C6H9N3O2
1,3-DIMETHYL-2,6-DIOXO-4-AMINOTETRAHYDROPYRIMIDINE - Names and Identifiers
1,3-DIMETHYL-2,6-DIOXO-4-AMINOTETRAHYDROPYRIMIDINE - Physico-chemical Properties
| Molecular Formula | C6H9N3O2 |
| Molar Mass | 155.15 |
| Density | 1.288±0.06 g/cm3(Predicted) |
| Melting Point | 295 °C (dec.) (lit.) |
| Boling Point | 243.1±43.0 °C(Predicted) |
| Flash Point | 100.8°C |
| Water Solubility | 7.06g/L(25 ºC) |
| Solubility | 6g/l |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Powder |
| Color | Pale Beige |
| pKa | 5.17±0.70(Predicted) |
| PH | 6.9 (100g/l, H2O, 20℃) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.55 |
| MDL | MFCD00006552 |
| Physical and Chemical Properties | Crystallization (water). Melting point 295 C (293 c) decomposition. |
| Use | Used as a pharmaceutical Intermediate |
1,3-DIMETHYL-2,6-DIOXO-4-AMINOTETRAHYDROPYRIMIDINE - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 1 |
| RTECS | YQ8755000 |
| HS Code | 29335990 |
1,3-DIMETHYL-2,6-DIOXO-4-AMINOTETRAHYDROPYRIMIDINE - Reference Information
| LogP | -0.4 at 20℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | an intermediate of caffeine. used as pharmaceutical intermediates |
| production method | with cyanoacetic acid and dimethyl urea in acetic anhydride with the participation of heating condensation to produce dimethyl cyanoacetourea, the product is then prepared by cyclization under alkaline conditions. |
Last Update：2024-04-09 21:54:55
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