Brian, et.al.,
It's not a typo or and an error. It's one might call a variant
spelling. The Merck Index lists Bromcresol Purple, CAS Number 115-40-2.
Below is what Sigma lists with the same CAS number. I've noticed the
prefix Brom or Bromo on the name of several dyes. Either way, it's the
Elizabethand Allison,
The US adopted the Globally Harmonized System(GHS) some time ago.
Compliance is not yet required, but you might want to check out
29CFR1910.1200. It will probably affect all labs to some extent. Just
enter that term in your browser.
The OSHA GHS storage requirement
