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]

Exposure Assessment
Explanatory Notes

mp = 464 deg F; VP = probably near zero; [CHEMINFO]

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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