4-Amino-2-pyrimidinol 71-30-7 99%
Cytosine Chemical Properties
Melting point >300 °C (lit.)
Boiling point 208.2°C (rough estimate)
density 0,48 g/cm3
refractive index 1.5000 (estimate)
storage temp. Store at RT.
solubility Clear to very slightly hazy colorless to faint yellow solution at 50 mg/ml in 0.5 M HCL.
pka 4.60, 12.16(at 25℃)
form Crystalline Powder
color White to slightly yellow
Water Solubility soluble
Merck 14,2795
BRN 2637
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey OPTASPLRGRRNAP-UHFFFAOYSA-N
CAS DataBase Reference 71-30-7(CAS DataBase Reference)
NIST Chemistry Reference 2(1H)-Pyrimidinone, 4-amino-(71-30-7)
EPA Substance Registry System 2(1H)-Pyrimidinone, 4-amino- (71-30-7)
Cytosine Basic information
Product Name: Cytosine
Synonyms: 4-AMINO-2(1H)-PYRIMIDINONE;4-AMINO-2(1)-PYRIMIDONE;4-AMINO-2-PYRIMIDINOL;4-AMINO-2-OXO-1,2-DIHYDROPYRIMIDINE;4-AMINO-2-HYDROXYPYRIMIDINE;2-Oxy-4-amino pyrimidine;AURORA KA-682;CYTOSINE
CAS: 71-30-7
MF: C4H5N3O
MW: 111.1
EINECS: 200-749-5
Mol File: 71-30-7.mol
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-20/21/22
Safety Statements 26-36-37/39
WGK Germany 1
RTECS UW7350150
Hazard Note Irritant
TSCA Yes
HS Code 29335910
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