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From: DCHAS Membership Chair <membership**At_Symbol_Here**DCHAS.ORG>
Subject: [DCHAS-L] NSTA Safety Blog: How Safe Are Biological Stains?
Date: Tue, 23 Jul 2019 06:57:51 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 8015439F-9939-4B0C-BF02-B34C110FF4A2**At_Symbol_Here**dchas.org

Demystify: 

http://blog.nsta.org/2019/07/22/how-safe-are-biological-stains/

How Safe Are Biological Stains?

In middle and high school science labs, biological stains, such as basic fuchsin, crystal violet, and Congo red, are used to enhance properties of microscopic plant and animal cells/tissues. Unfortunately, Safety Data Sheets (SDS) note that some of these popular stains may contain suspected carcinogens, toxins, and mutagens...

(more at address above)

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