Pyrimethamine, USP

5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine

 

Chemical Formula

C12H13ClN4

Molecular Weight

F.W. 248.71

CAS #

58-14-0

 

Safety Information

Health Hazard

2

Fire Hazard

1

Reactivity

0

Material Safety Data Sheet

 

Test

Specification

Assay (C12H13ClN4; Dried Basis)99.0-101.0%
Melting Range238°-242°C
MAXIMUM LIMITS
Loss on Drying0.5%
Residue on Ignition0.1%
Ordinary ImpuritiesTo pass test
Organic Volatile ImpuritiesTo pass test

 

UPS limit

150 lb

Storage Information

LIGHT SENSITIVE: Keep tightly closed in light-resistant containers.

Chemical information and descriptions have been provided by Spectrum Chemicals.

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 P1602-06   Pyrimethamine, USP - Pyrimethamine, USP - C12H13ClN4 - 100 GM P1602-06 $359.63
 P1602-04   Pyrimethamine, USP - Pyrimethamine, USP - C12H13ClN4 - 25 GM P1602-04 $203.43
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