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Trimethoprim

Trimethoprim / CAS : 738-70-5

Appearance White to yellowish powder UN 3249
HS 29335990 DG Class 6.1(b)
Synonyms 2,4-Diamino-5-(3,4,5-Trimethoxybenzyl)Pyrimide; 2,4-Diamino-5-(3',4',5'-Trimethoxybenzyl)Pyrimidine; 2,4-Diamino-5-(3,4,5-Trimethoxybenzyl)Pyrimidine; 5-(3,4,5-Trimethoxybenzyl)-2,4-Diaminopyrimidine
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Properties

Summary

Formula
C14H18N4O3
Molecular Mass
290.31800
Exact Mass
290.13800
PSA
105.51000
Logp
2.42000
IUPAC
5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Raw Materials
API & Intermediate > Veterinary API
Food(Feed) Additives > Feed Additive

Chemical and Physical Properties

Melting Point
199-203 °C
Density
1.252 g/cm3
Boiling Point
526ºC
Flash Point
271.9ºC
Appearance
White to yellowish powder
Acidity and Basicity
acidness

Export information

HS Code
29335990
Export Rebate
13%
UN No.
3249
DG-Class
6.1(b)
Risk Code
R25
Safety Label
T

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