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Name	4-Pyrimidinone	EINECS	224-932-4
CAS No.	4562-27-0	Density	1.288 g/cm³
PSA	46.01000	LogP	0.18220
Solubility	N/A	Melting Point	163-167 °C
Formula	C₄H₄N₂O	Boiling Point	184.65 °C at 760 mmHg
Molecular Weight	96.0886	Flash Point	65.475 °C
Transport Information	N/A	Appearance	white-like to grey powdery solid
Safety	22-24/25-36-26	Risk Codes	36/37/38-40
Molecular Structure		Hazard Symbols	Xn
Synonyms	4-Hydroxypyrimidine;4-Oxopyrimidine;4-Pyrimidinol;4(3H)-Pyrimidinone;4-Pyrimidone;Deaminoisocytosine;NSC 1575;NSC 157911;	Article Data	3

4-Pyrimidinone Chemical Properties

IUPAC Name: 1H-pyrimidin-6-one
Synonyms: 4-Hydroxypyrimidine, 98+% ; 4-Oxopyrimidine ; 4-Oxypyrimidine ; 6-Hydroxypyrimidine ; Deaminoisocytosine ; 4-Pyrimidinol~4-Pyrimidone ; 1H-pyrimidin-4-one ; 4(1H)-Pyrimidinone (6CI,8CI,9CI)
Molecular Structure of 4-Oxypyrimidine (CAS NO. 4562-27-0) :
Molecular Formula of 4-Oxypyrimidine (CAS NO. 4562-27-0) : C₄H₄N₂O
Molecular Weight of 4-Oxypyrimidine (CAS NO. 4562-27-0) : 96.09
CAS NO: 4562-27-0
EINECS : 224-932-4
Index of Refraction: 1.595
Surface Tension: 50.7 dyne/cm
Density: 1.28 g/cm³
Melting point: 163-167 °C
Flash Point: 65.5 °C
Enthalpy of Vaporization: 42.09 kJ/mol
Boiling Point: 184.7 °C at 760 mmHg
Vapour Pressure: 0.725 mmHg at 25°C

4-Pyrimidinone Uses

4-Oxypyrimidine (CAS NO. 4562-27-0) is used as intermediate in organic synthesis.

4-Pyrimidinone Toxicity Data With Reference

pic-esc 1 g/L

ZAPOAK Zeitschrift fuer Allgemeine Mikrobiologie. Morphologie, Physiologie, Genetik und Oekologie der Mikroorganismen. 12 (1972),583.

4-Pyrimidinone Consensus Reports

Reported in EPA TSCA Inventory.

4-Pyrimidinone Safety Profile

Hazard Codes Irritant Xn
Risk Statements 36/37/38-40
R36/37/38:Irritating to eyes, respiratory system and skin.
R40:Limited evidence of a carcinogenic effect.
Safety Statements 22-24/25-36-26
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany 3
RTECS UW7350100

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