Chemical name: 4,4’-Oxybis(benzoic acid)di (1H-benzotriazol-1-yl)ester
CAS NO.: 188894-66-8
Structural formula:
Molecular Formula: C26H16N6O5
Molecular Weight: 492.45
Physicochemical properties:
Melting point: 189℃
Appearance : Off-white to white crystalline powder
Application:
Intermediates used in pesticide, pharamaceuticals and photosensitive materials.
Specifications
Items |
Specifications |
|
Appearance |
Off-white to white powder |
|
Purity |
≥99.0% |
|
Loss on drying |
≤0.1% |
|
Transmittance |
≥78% |
|
DC Urea |
≤0.01% |
|
Ester content |
≤1.0% |
|
Impurity A |
≤0.05% |
|
Monomethyl ester |
≤0.1% |
|
OBA-S |
≤0.1% |
|
Metal Ionic |
K、Ca |
≤2ppm |
Na、Co、Mn、Cr、Ni、Fe |
≤1ppm(per) |
|
Cl |
≤4ppm |