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== Hazards and Safety ==
== Hazards and Safety ==
(Include all Hazards, Health and Safety information, and links to MSDS sheets)
Fisher Scientific: [https://fscimage.fishersci.com/msds/62055.htm MSDS]
ThermoFisher: [https://fscimage.fishersci.com/msds/60430.htm SDS]
== Additional Information ==
== Additional Information ==

Revision as of 09:01, 1 July 2020


The chemical name for the red dyes extracted from several lichens of the genera Evernia, Roccella, Ramalina and Lecanoria, such as Evernia prunastri, Roccella phycopsis and Ramalina scopulorum.

Orchil dyed wool
Image credit w. Carter

Synonyms and Related Terms

CI Natural Red 28; archil; orchil; lacmus;

Physical and Chemical Properties

Orcein is soluble in ethanol. It is an indicator dye that turns blue in alkaline solutions.

CAS 1400-62-3

Hazards and Safety

ThermoFisher: SDS

Additional Information

(Place no more than three expert sources for the reader to access for more information)

° H.Schweppe, "Indigo and Woad", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.

° Pigments Through the Ages: Indigo

Comparisons and related information

(Include pdf files of tables or related information; new line for each file)

Characteristics of Common Blue Pigments

Additional Images

Sources Checked for Data in Record

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