Agent Name

7-Diethylamino-4-methylcoumarin

CAS Number

91-44-1

Formula

C14-H17-N-O2

Major Category

Dyes

Synonyms

2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-; 4-Methyl-7-(diethylamino)coumarin; 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one; 7-(Diethylamino)-4-methylcoumarin; 7D4MC; Aclarat 8678; Blancophor AW; Blancophor FFG; C 47; Calcofluor White RW; Calcofluor White SD; Coumarin 1; Coumarin 460; Coumarin 47; Coumarin, 7-(diethylamino)-4-methyl-; Hakkol P; Hiltamine Artic White SOL; MDAC; Uvitex WGS; 7-Diethylamino-4-methylcoumarin; Diethylaminomethylcoumarin; [ChemIDplus]

Category

Coumarin Dyes

Description

Light-tan solid; [HSDB] Solution has bright blue-white fluorescence if very dilute; [CAMEO] Pale yellow crystalline powder; [Alfa Aesar MSDS]

Sources/Uses

Used as an optical brightener (textile, detergent, plastics, and varnish/lacquer industries) and as an invisible marking agent; Also used in coatings (paper, labels, and book covers) and as a laser dye; [HSDB] 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

Emergency treatment: Irritants; [HSDB] Causes somnolence and ataxia in oral lethal-dose studies of mice; [RTECS] A skin and strong eye irritant; [Alfa Aesar MSDS] See "Coumarin."

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