Name | Cytosine |
Synonyms | Cytosine CYTOSINE Aurora Ka-682 AURORA KA-682 4-aminopyrimidin-2-ol 4-AMINO-2-PYRIMIDINOL 4-AMINO-2(1)-PYRIMIDONE 2-Oxy-4-amino pyrimidine 4-AMINO-2(1H)-PYRIMIDINONE 6-aminopyrimidin-2(1H)-one 4-Amino-2(1H)-Pyrimidinone 4-Amino-2-hydroxypyrimidine 4-AMINO-2-HYDROXYPYRIMIDINE 4-AMINO-2-OXO-1,2-DIHYDROPYRIMIDINE 4-Amino-2-oxo-1,2-dihydropyrimidine |
CAS | 71-30-7 |
EINECS | 200-749-5 |
InChI | InChI=1/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8) |
InChIKey | OPTASPLRGRRNAP-UHFFFAOYSA-N |
Molecular Formula | C4H5N3O |
Molar Mass | 111.1 |
Density | 0,48 g/cm3 |
Melting Point | >300 °C (lit.) |
Boling Point | 208.2°C (rough estimate) |
Flash Point | 223.4°C |
Water Solubility | soluble |
Solubility | Soluble in methanol, ethanol, DMSO and other organic solvents |
Vapor Presure | 1.46E-08mmHg at 25°C |
Appearance | White crystalline powder |
Color | White to slightly yellow |
Merck | 14,2795 |
BRN | 2637 |
pKa | 4.60, 12.16(at 25℃) |
Storage Condition | 2-8°C |
Stability | Stable. Incompatible with strong oxidizing agents. |
Refractive Index | 1.5000 (estimate) |
MDL | MFCD00006034 |
Physical and Chemical Properties | Melting point 300°C water-soluble soluble |
Use | Used as a drug Intermediate |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 1 |
RTECS | UW7350150 |
TSCA | Yes |
HS Code | 29335910 |
Hazard Note | Irritant |
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