Tetrakis amminium structure
Contains no metals
Suitable for coatings
Can absorb in NIR out to 1650 nm
Broad band infrared absorption
Absorption maximum, l max: 960 nm
Absorptivity in acetone: 18 L g-1 cm-1
Appearance: green powder
Melting point: 125 - 128oC
Solubility in grams/100 grams of solvent:
MEK >6.0 grams
Xylene >6.0 grams
THF >6.0 grams