1,2,4-trihydroxyanthraquinone

Independent reference data for 1,2,4-trihydroxyanthraquinone (CAS 81-54-9), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

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]Textiles (Printing, Dyeing, or Finishing) [Category: Industry]

Synonyms and trade names

9,10-Anthracenedione, 1,2,4-trihydroxy-; purpurin anthraquinone; RefChem:46677; PURPURIN; 81-54-9; 1,2,4-trihydroxyanthracene-9,10-dione; 1,2,4-Trihydroxyanthraquinone; Verantin; Purpurine; Hydroxylizaric acid; Smoke Brown G; 1,2,4-Trihydroxy-9,10-anthracenedione; 1,2,4-Trihydroxy-9,10-anthraquinone; C.I. 58205; 1,2,4-Trihydroxyanthrachinon; Anthraquinone, 1,2,4-trihydroxy-

GHS hazard classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (98.5%)

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

What the public record says

1,2,4-trihydroxyanthraquinone · CAS 81-54-9 · C14H8O5. UNII L1GT81LS6N. LogP: 1.84.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.