Coumarin 445

Synonyms

2H-1-Benzopyran-2-one, 7-(ethylamino)-4-methyl-; 7-(Ethylamino)-4-methyl-2-benzopyrone; 7-(Ethylamino)-4-methyl-2H-1-benzopyran-2-one; [ChemIDplus]

Category

Coumarin Dyes

Sources/Uses

Coumarins are used as fluorescent dyes and also as laser dyes. Fluorescent dyes not only absorb light; they also emit light to produce very bright colors. They are used to dye textile fibers, plastics, inks, and to make pigments for paints and lacquers. [Ullmann: Laser Dyes; Fluorescent Dyes; Disperse Dyes]

Comments

The 3 laser dyes tested for skin sensitization were found to be negative. [Reference #1] See "Coumarin."

Reference Link #1

Biomedical References

Processes

Industrial Processes with risk of exposure:

• Painting (Pigments, Binders, and Biocides)
• Textiles (Printing, Dyeing, or Finishing)