Specificiation
| Inspection Items | Standard | Results |
| Characteristics | This product is yellow crystalline powder. | This product is yellow crystalline powder. |
| Identification | Positive reaction | Positive reaction |
| Loss on drying | ≤2.0% | 1.2% |
| Content | ≥98.0% | 99.42% |
| Conclusion | According to the enterprise standard "Q/STJHS018-2022" test results of this product meet the requirements. |
Function of Pyrimidinetetramine sulfate
1. Excellent thickening effects even at low resin concentration in water and alcohol.
2.Thixotropy and high yield value in neutralized solution.
3.No stringy in solution, even at high viscosity.
4.High transparency in neutralized solution.
5.Excellent thickening effects over a wide pH range (pH 5 - 11)
Application of Pyrimidinetetramine sulfate
Pyrimidinetetramine sulfate is an intermediate of the anti-tumor drug aminopterin. Used as an intermediate in the drug methotrexate.
China
