2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine

Modify Date: 2025-10-19 17:57:13

2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine Structure
2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine structure
 Common Name 2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine
CAS Number 556-72-9 Molecular Weight 154.25300
Density 0.93g/cm3 Boiling Point 188.6ºC at 760 mmHg
Molecular Formula C9H18N2 Melting Point N/A
MSDS N/A Flash Point 67.9ºC

 Names

Name 2,2,4,6,6-pentamethyl-1,5-dihydropyrimidine
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.93g/cm3
Boiling Point 188.6ºC at 760 mmHg
Molecular Formula C9H18N2
Molecular Weight 154.25300
Flash Point 67.9ºC
Exact Mass 154.14700
PSA 24.39000
LogP 1.71970
Index of Refraction 1.491

 Synthetic Route

Propan-2-one oxime structure

Propan-2-one oxime

CAS#:127-06-0

~%

2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine Structure

2,3,4,5-tetrahy...

CAS#:556-72-9

Literature: Langenbahn, Meinhard; Stoeckli-Evans, Helen; Suess-Fink, Georg Helvetica Chimica Acta, 1991 , vol. 74, # 3 p. 549 - 553
Acetone structure

Acetone

CAS#:67-64-1

~69%

2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine Structure

2,3,4,5-tetrahy...

CAS#:556-72-9

Literature: Ma, Zhenkun; Huang, Qingtao; Bobbitt, James M. Journal of Organic Chemistry, 1993 , vol. 58, # 18 p. 4837 - 4843
Mesityl oxide structure

Mesityl oxide

CAS#:141-79-7

Acetone structure

Acetone

CAS#:67-64-1

~%

2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine Structure

2,3,4,5-tetrahy...

CAS#:556-72-9

Literature: Bradbury et al. Journal of the Chemical Society, 1947 , p. 1394,1398 Full Text Show Details Asinger et al. Monatshefte fuer Chemie, 1957 , vol. 88, p. 464,472
hydrogen sulfide structure

hydrogen sulfide

CAS#:7783-06-4

Ammonia structure

Ammonia

CAS#:7664-41-7

Water structure

Water

CAS#:7732-18-5

Acetone structure

Acetone

CAS#:67-64-1

~%

Detail
Literature: Asinger et al. Justus Liebigs Annalen der Chemie, 1957 , vol. 610, p. 1,14

 Synonyms

Acetonine
2,2,4,4,6-pentamethyl-2,3,4,5-tetrahydropyrimidine
2,2,4,6,6-Pentamethyl-1,2,5,6-tetrahydro-pyrimidin
Acetonin
2,2,4,6,6-Pentamethyltetrahydro pyrimidine
Pyrimidine,2,2,4,6,6-pentamethyl tetrahydro
2,3,4,5-Tetrahydro-2,2,4,4,6-pentamethylpyrimidine
2,2,4,6,6-pentamethyl-1,2,5,6-tetrahydro-pyrimidine
1,2,5,6-Tetrahydro-2,2,4,6,6-pentamethylpyrimidine
2,2,4,4,6-Tetramethyl-2,3,4,5-tetrahydropyrimidine
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Chemsrc provides CAS#:556-72-9 MSDS, density, melting point, boiling point, structure, etc. Its name is 2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine>> amp version: 2,3,4,5-tetrahydro-2,2,4,4,6-pentamethylpyrimidine

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