Chemical name : 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
CAS no : 49352-52-7
EINECS Number : 207-776-1
Molecular Formula : C15H15N3O2
PRODUCT SPECIFICATION
| TEST | SPECIFICATION |
| Appearance (Form) | Powder |
| Appearance (Color) | Red-Yellow |
| Absorption maximum (pH 4.2) | 523-526nm |
| Absorptivity (1%/1cm at pH 4.2) | 1300 – 1400 |
| Absorption maximum (pH 6.2) | 430 – 434nm |
| Absorptivity (1%/1cm at pH 6.2) | 700 – 800 |
| Dye content (by Spectrophotometry) | > 95% |
| Loss On Drying at 110 degrees C (1hr) | < 3% |
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