Litmus

Agent Name
Litmus
CAS Number
1393-92-6
Formula
Unspecified
Major Category
Dyes
Synonyms
Lackmus; Tornasol; Tournesol; [ChemIDplus] Lacmus; Turnsole; Lacca musica; Lacca coerulea; [Merck Index]
Category
Other Dyes
Description
Blue solid; [Merck Index] Dark blue odorless solid; [Acros Organics MSDS]
Sources/Uses
Found in a variety of lichen species; Used as a pH indicator and in microscopy; Has been used to color beverages; [Merck Index] "The litmus mixture has the CAS number 1393-92-6 and contains 10 to 15 different dyes. . . . Acid-base indicators on litmus owe their properties to a 7-hydroxyphenoxazone chromophore." [Wikipedia]
Biomedical References

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: