Histology Research Core, University of North Carolina Chapel Hill. Special Stains. https://histologyresearchcorefacility.web.unc.edu/special-stains/#:~:text=Mason%27s%20Trichrome%20stain%20is%20used,blue%2C%20and%20collagen%20dark%20blue.
There is not sufficient information to make a statement regarding the stain's status as a toxin or irritant. While the stain is considered safe to use, proper PPE (gloves, goggles, protective clothing) is strongly reccomended.
Mucin
Reticulum
Glomerular stroma
Collagen
Nucleus
Erythrocytes
Muscle
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Kleinheinz, Johannes & Büchter, André & Fillies, Thomas & Joos, Ulrich. (2005). Vascular basis of mucosal color. Head & face medicine. 1. 4. 10.1186/1746-160X-1-4.
El-Refaiy, Amal & Eissa, Fawzy. (2012). Protective effects of ascorbic acid and zinc against cadmium-induced histopathological, histochemical and cytogenetic changes in rats. Comunicata Scientiae. 3.