Description
Technical Parameters
Product Brief Introduction
Product name: 4,4'-Methylenebis(3-Hydroxy-2-Naphthoic Acid) Disodium Salt
CAS: 6640-22-8
MF: C23H14Na2O6
MW: 432.333
Product Specification
|
Item |
Specification |
|
Appearance |
Light yellow to yellowish green powder |
|
Color of Solution(UV) |
≤ 0.12 |
|
Moisture (K.F) |
3.7%-4.5% |
|
Sodium Content |
9.9%-12.5% |
|
Chlorine Ion Content |
≤ 3.0% |
|
Purity(HPLC) |
≥ 99.0% |
|
Assay(UV) |
78.6%-88.4% |
