3,4-Dihydro-2H-pyrido(1,2-a)pyrimidin-2-one

Modify Date: 2025-08-25 11:45:32

3,4-Dihydro-2H-pyrido(1,2-a)pyrimidin-2-one Structure
3,4-Dihydro-2H-pyrido(1,2-a)pyrimidin-2-one structure
Common Name 3,4-Dihydro-2H-pyrido(1,2-a)pyrimidin-2-one
CAS Number 5439-14-5 Molecular Weight 148.162
Density 1.3±0.1 g/cm3 Boiling Point 271.3±23.0 °C at 760 mmHg
Molecular Formula C8H8N2O Melting Point 185-187ºC
MSDS Chinese USA Flash Point 117.9±22.6 °C

 Names

Name 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 271.3±23.0 °C at 760 mmHg
Melting Point 185-187ºC
Molecular Formula C8H8N2O
Molecular Weight 148.162
Flash Point 117.9±22.6 °C
Exact Mass 148.063660
PSA 34.36000
LogP -1.34
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.641
Storage condition 2-8°C

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933990090

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles4

More Articles
Synthesis of a hexasaccharide unit of a complex type of glycan chain of a glycoprotein.

Carbohydr. Res. 96 , 29, (1981)

T. Mukaiyama et al.

Chem. Lett. 13 , 57, (1976)

T. Mukaiyama

Heterocycles 4 , 1509, (1977)

 Synonyms

3,4-dihydropyrido[1,2-a]pyrimidin-2-one
MFCD00042798
EINECS 226-618-2
2H-Pyrido[1,2-a]pyrimidin-2-one, 3,4-dihydro-
3,4-Dihydro-2H-pyrido(1,2-a)pyrimidin-2-one
3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE
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