1,2,4-Trihydroxy-9,10-anthracenedione
Agent Name
1,2,4-Trihydroxy-9,10-anthracenedione
Alternative Name
Purpurin
CAS Number
81-54-9
Formula
C14-H8-O5
Major Category
Dyes
Synonyms
Purpurin; 1,2,4-Trihydroxy-9,10-anthraquinone; 1,2,4-Trihydroxyanthrachinon [Czech]; 1,2,4-Trihydroxyanthraquinone; 9,10-Anthracenedione, 1,2,4-trihydroxy-; C.I. 1037; C.I. 58205; C.I. 75410; Hydroxylizaric acid; Purpurin, madder root; Purpurine; Smoke Brown G; Verantin; 1,2,4-Trihydroxyanthraquinone; 9,10-Anthracenedione, 1,2,4-trihydroxy-; Anthraquinone, 1,2,4-trihydroxy-; [ChemIDplus]
Category
Anthraquinone Dyes
Description
Orange or red solid; [Merck Index] Dark brown powder; [Aldrich MSDS]
Sources/Uses
Formed during storage of the madder root; Forms "lakes" with some metal salts; Used as a fast dye for printing cotton, to make acid and chrome dyes, as a reagent for detection of boron, for histological detection of insoluble calcium salts, and as a nuclear stain; [Merck Index]
Comments
A mild eye irritant; Intraperitoneal LD50 (mouse) > 500 mg/kg; [RTECS] An irritant; Targets the liver, kidney, CNS, cardiovascular system, and blood; [Aldrich MSDS] See "1,4-Dihydroxy-9,10-anthracenedione."
Biomedical References
Exposure Assessment
Vapor Pressure
7.52E-11 mm Hg
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: