Bromcresol means Bromocresol.
Faint not, but I certainly can't say you won't dye if you leave out the O.
The o is subject to elision due to its difficulty in pronounciation.
Such an occurrence of elision between 2 consonants is called syncope.
In English writing an elided vowel is often
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
