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2,4,6,8-Tetrachloropyrimido[5,4-D]Pyrimidine

2,4,6,8-Tetrachloropyrimido[5,4-D]Pyrimidine / CAS : 32980-71-5

Appearance Acicular or flaky crystalline solid UN -
HS 29335990 DG Class -
Synonyms 2,3-Dihydro-5-Methyl-3-Oxo-2-Phenyl-1H-Pyrazole-4-Carboxaldehyde; Perchloropyrimido[5,4-D]Pyrimidine; 2,4,6,8-Tetrachloropyrimido<-Pyrimidine; Tetrachloropyrimido<Pyrimidin; 2,4,6,8-Tetra-Chloropyrimido<5,4-D>Pyrimidine; Pyrimido[5,4-D]Pyrimidine, Tetrachloro-
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Properties

Summary

Formula
C6Cl4N4
Molecular Mass
269.90300
Exact Mass
267.88800
PSA
51.56000
Logp
3.03340
IUPAC
2,4,6,8-tetrachloropyrimido[5,4-d]pyrimidine
SMILES
C12=C(C(=NC(=N1)Cl)Cl)N=C(N=C2Cl)Cl

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates

Chemical and Physical Properties

Melting Point
254-258 °C
Density
1.871g/cm3
Boiling Point
335.1ºC
Flash Point
186.8ºC
Appearance
Acicular or flaky crystalline solid
Acidity and Basicity
acidness

Export information

HS Code
29335990
Export Rebate
13%
Risk Code
R36/37/38

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