2,4,5,6-Tetraaminopyrimidine sulfate

 QUALITY SPECIFICATIONS

 Description

Pale-yellow crystals

Visual

 Assay

98.0～102.0%

Titration by NaOH

 Water Content, max

≤ 2.0%

Loss on drying   method

 Identify

Conforms to Structure

¹H-NMR

TRANSPORT REGULATIONS

and STORAGE CONDITIONS

Without main danger (Common goods).

Keep containers tightly closed when not in use.

Stored in   the dry and ventilated place at room temperature, Keep away from alkali,   oxidant and other incompatible substances.

Stable in nature, non-volatile and non   decomposable at normal temperature and pressure.

Shelf Life: 60 Months.

USE

Pharmaceutical   intermediates and organic synthesis intermediates, Used as a drug   methotrexate intermediate.