APPLICATION: Visible light absorbers
FHI offers laser and visible light absorption dyes from gram to kilogram quantities. Our company can work with you and provide custom synthesis for dyes that you might be interested in. In partnership with universities in Europe FHI is developing many innovative projects. We currently maintain a data base of about 400 synthetic dyes of various classes covering the absorbance range 280-1500 nm and can fulfill any customer needs in the shortest time
Code FHI λmax, nm Solvent E, L/g.cm Purity, % Melting Point, oC
 
590-630EL 0 N/A
4168 416 N-methylpyrrolidone(NMP) 57 97 280-284
4602 459 Acetone 51.5 98 237-240
4902 489 Acetone 155.5 98 268-271
5152 515 Acetone 250 98 267-270
5202 520 Acetone 125 98.5 >250
5242 524 Acetone 110 98 267-270
5273 527 Acetone 155 98 245-247
5402 540 Acetone 140 98 205-207
5442 544 Acetone 177 98.5 216-218
5482 548 Acetone 174 98 168-170
5553 555 Acetone 85 98 245-247
5562 556 Acetone 221 98.5 267-269
5832 564 Acetone 115 98.5 196-198
5868 586 N-methylpyrrolidone(NMP) 20 95 256-259
5936 591 Acetone 214 97 288-292
6151 615 Acetone 130 97.5 232-235
6351 635 Acetone 145 97.5 157-160
6574 657 Acetone 165 97.5 165-168
6736 673 DMF 98.2
6746 674 Benzene 125 98 235-237
6782 678 Acetone 200 98 223-225
6822 682 Acetone 190 98 215-217
6835 683 Methanol 87 97 >250