Name | 5-nitrobarbituric acid |
Synonyms | dilituric acid DILITURIC ACID AURORA KA-3829 5-Nitrobarbitursαure 5-NITROBARBITURIC ACID 5-nitrobarbituric acid 5-nitrobarbituric acid hydrate 5-nitro-1,3-diazinane-2,4,6-trione 5-Nitrobarbituric acid (Anhydrous type) 5-nitropyrimidine-2,4,6(1H,3H,5H)-trione 5-Nitro-hexahydropyrimidine-2,4,6-trione |
CAS | 480-68-2 |
EINECS | 207-557-0 |
InChI | InChI=1/C4H3N3O5/c8-2-1(7(11)12)3(9)6-4(10)5-2/h1H,(H2,5,6,8,9,10) |
Molecular Formula | C4H3N3O5 |
Molar Mass | 173.08 |
Density | 1.79±0.1 g/cm3(Predicted) |
Melting Point | 180.5°C |
Boling Point | 303.69°C (rough estimate) |
Appearance | White solid |
Merck | 6585 |
pKa | -1.70±0.20(Predicted) |
Storage Condition | Room Temprature |
Refractive Index | 1.5000 (estimate) |
MDL | MFCD00006667 |
Physical and Chemical Properties | Colorless rhombic or leaflike crystals or white powder. Melting point 176 ℃ (decomposition). Soluble in hot water and strong yellow, soluble in 1200 times cold water. Soluble in ethanol and lye, insoluble in ether. |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | 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. S36 - Wear suitable protective clothing. |
RTECS | CQ7300000 |
HS Code | 29335400 |
Hazard Class | IRRITANT |
chemical properties | colorless rhombus or leaf-like crystals or white powder. Melting point 176 ℃ (decomposition). Soluble in hot water and strong yellow, soluble in 1200 times cold water. Soluble in ethanol and lye, insoluble in ether. |
use | orange is a reagent for measuring trace potassium and is used to precipitate alkaloids. |
production method | barbitic acid can be nitrified with fuming nitric acid below 40 ℃ to obtain 5-nitrobarbitic acid with a yield of 85-90%. |
EPA chemical information | information provided by: ofmpub.epa.gov (external link) |