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
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