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how to dissolve 1-anilino-8-naphthalene sulfonate (ANS) - (Jan/10/2008 )

hi, everyone
I have a question about how to dissovle ANS (a fluorescent dye). Before I used MQ water to dissolve it, but it does not work... So which solution should I use?

Lucy

-Lucy Wong-

ans is soluble in dmf or 1M naoh to 50mg/ml. see the spec sheet here:

sigma spec sheet (pdf)

-mdfenko-