Biebrich scarlet is a scarlet dye. References: Clark G, Spicer SS. The assessing of acidophilia with Biebrich scarlet, ponceau de xylidine and woodstain scarlet. Stain Technol. 1979 Jan;54(1):13-6. PubMed PMID: 90405.

纯度：≥98%

CAS：4196-99-0