Agent Name

Rhodamine 6G

Alternative Name

C.I. Basic Red 1

CAS Number




Major Category



Aizen Rhodamine 6GCP; Basic Red 1; Basic Rhodamine Yellow; Basic Rhodaminic Yellow; Benzoic acid, 2-(6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl)-, ethyl ester, monohydrochloride; C.I. 45160; C.I. Basic Red 1; C.I. Basic Red 1, monohydrochloride; CI 45160; CI Basic Red 1; CI Basic Red 1, monohydrochloride; Calcozine Red 6G; Calcozine Rhodamine 6GX; Cerven zasadita 1 [Czech]; Elcozine Rhodamine 6GDN; Eljon Pink Toner; Fanal Pink B; Fanal Pink GFK; Fanal Red 25532; Flexo Red 482; Heliostable Brilliant Pink B Extra; Mitsui Rhodamine; Mitsui Rhodamine 6GCP; Nyco Liquid Red GF; Red 169; Rh 6G; Rhodamin 6G; Rhodamine 4GD; Rhodamine 4GH; Rhodamine 590 chloride; Rhodamine 5GDN; Rhodamine 5GL; Rhodamine 6 G extra; Rhodamine 6 GDN; Rhodamine 6 GDN Extra; Rhodamine 69DN Extra; Rhodamine 6G; Rhodamine 6G (biological stain); Rhodamine 6G Extra; Rhodamine 6G Extra Base; Rhodamine 6G Lake; Rhodamine 6G chloride; Rhodamine 6G hydrochloride; Rhodamine 6GB; Rhodamine 6GBN; Rhodamine 6GCP; Rhodamine 6GD; Rhodamine 6GDN; Rhodamine 6GDN Extra; Rhodamine 6GEX ethyl ester; Rhodamine 6GH; Rhodamine 6GO; Rhodamine 6GX; Rhodamine 6JH; Rhodamine 6ZH; Rhodamine 6ZH-DN; Rhodamine 6Zh-DN; Rhodamine 7JH; Rhodamine F 5GL; Rhodamine F4G; Rhodamine F5G; Rhodamine F5G chloride; Rhodamine GDN; Rhodamine J; Rhodamine Lake Red 6G; Rhodamine Y 20-7425; Rhodamine ZH; Rhodanine 6GDN; Silosuper Pink B; Vali Fast Red 1308; Xanthylium, 9-(2-(ethoxycarbonyl)phenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, chloride; [ChemIDplus]


Rhodamine Dyes


Bright blue to pink crystals or red-purple powder that are insoluble in water; [CAMEO]


Used as an absorption indicator for titration of Ag+ with Br-; Also used to make daylight pink fluorescent pigments; [Ullmann]


Carcinogenic in rats after subcutaneous injection: sarcomas; No human data; [IARC]

Adverse Effects
IARC Carcinogen

Not Classifiable

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Toxicity Information


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