Acid violet 43 is a violet dye. References: Thorén S, Yazar K. Contact allergens in 'natural' hair dyes. Contact Dermatitis. 2016 May;74(5):302-4. doi: 10.1111/cod.12519. PubMed PMID: 27040875.

纯度：≥98%

CAS：4430-18-6