4(3H)-Pyrimidinethione, 2-hydroxy- (9CI)

Modify Date: 2025-09-28 13:01:40

4(3H)-Pyrimidinethione, 2-hydroxy- (9CI) Structure
4(3H)-Pyrimidinethione, 2-hydroxy- (9CI) structure
Common Name 4(3H)-Pyrimidinethione, 2-hydroxy- (9CI)
CAS Number 203213-13-2 Molecular Weight 128.152
Density 1.5±0.1 g/cm3 Boiling Point 388.0±34.0 °C at 760 mmHg
Molecular Formula C4H4N2OS Melting Point N/A
MSDS N/A Flash Point 188.4±25.7 °C

 Names

Name 4-Thiouracil
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 388.0±34.0 °C at 760 mmHg
Molecular Formula C4H4N2OS
Molecular Weight 128.152
Flash Point 188.4±25.7 °C
Exact Mass 128.004440
LogP -0.60
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.671

 Synonyms

4-Thioxo-3,4-dihydro-2(1H)-pyrimidinone
2-Hydroxy-4-mercaptopyrimidine
2(1H)-Pyrimidinone, 3,4-dihydro-4-thioxo-
3,4-dihydro-4-thioxo-2(1H)-Pyrimidinone
4-Thioxo-3,4-dihydropyrimidin-2(1H)-one
MFCD01346710
MFCD00090842
2-Hydroxypyrimidine-4(1H)-thione
4-Thiouracil
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