Agent Name |
Coumarin 7 |
CAS Number |
27425-55-4 |
Formula |
C20-H19-N3-O2 |
Major Category |
Dyes |
Synonyms |
2H-1-Benzopyran-2-one, 3-(1H-benzimidazol-2-yl)-7-
(diethylamino)-; 3-(Benzimidazol-2-yl)-7-diethylaminocoumarin; Coumarin 7; Coumarin, 3-(2-benzimidazolyl)-7-(diethylamino)-; [ChemIDplus] 40 Yellow (disperse dye); [Ullmann]
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Category |
Coumarins |
Description |
Solid; [MSDSonline] |
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. As a disperse dye, 40 Yellow is used to dye polyester fibers; [Ullmann: Laser Dyes; Fluorescent Dyes; Disperse Dyes] |
Comments |
May cause skin and respiratory tract irritation; [MSDSonline] The 3 laser dyes tested for skin sensitization were found to be negative. [Reference #1] |
Reference Link |
Blackwell Synergy - Contact Dermatitis, Volume 21 Issue 3 Page 141-147, September 1989 (Article Abstract) |
Links to Other NLM Databases |
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