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Pyrimethamine

Pyrimethamine / CAS : 58-14-0

Appearance White powder UN 2811
HS 29335990 DG Class 6.1
Synonyms Malacid; Daraclor; Rp 4753; Bw50-63; Wr 2978; Malocid; 2,4-Pyrimidinediamine, 5-(4-Chlorophenyl)-6-Ethyl-; 4753R.P.; 2,4-Diamino-5-(4-Chlorophenyl)-6-Ethylpyrimidine; [2-Amino-5-(4-Chlorophenyl)-6-Ethyl-Pyrimidin-4-Yl]Amine; Pyrimethamine,5-(4-Chlorophenyl)-6-Ethyl-2,4-Pyrimidinediamine; Pyrimethamine,Daraprim; 5-(P-Chlorophenyl)-6-Ethyl-4-Pyrimidinediamine; Bw 50-63
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Properties

Summary

Formula
C12H13ClN4
Molecular Mass
248.71100
Exact Mass
248.08300
PSA
77.82000
Logp
3.68620
IUPAC
5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine
SMILES
CCC1=C(C(=NC(=N1)N)N)C2=CC=C(C=C2)Cl

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Antiparasitic Drugs

Chemical and Physical Properties

Melting Point
233-234 °C
Density
1.305 g/cm3
Boiling Point
491.5 ºC
Flash Point
251 ºC
Appearance
White powder
Acidity and Basicity
alkalinity

Export information

HS Code
29335990
Export Rebate
13%
UN No.
2811
DG-Class
6.1
Risk Code
R22-36
Safety Label
Xn

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