Bromocresol purple
Agent Name
Bromocresol purple
CAS Number
115-40-2
Formula
C21-H16-Br2-O5-S
Major Category
Dyes
Synonyms
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methyl-; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methyl-, S,S-dioxide; [ChemIDplus]
Category
Indicator Dyes
Description
Odorless, pale-yellow to purple solid; Available as pure compound, monosodium salt, and dilute solutions; [CHEMINFO]
Sources/Uses
A sulfonphthalein dye used as a pH indicator; [CHEMINFO] Used as a pH indicator for the pH range of 5.2-6.8 and 10.2-11.8; [Ullmann]
Comments
Dust may be irritating if inhaled; [CHEMINFO]
Biomedical References
Exposure Assessment
Explanatory Notes
mp = 464 deg F; VP = probably near zero; [CHEMINFO]
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.