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LC1504 Bromocresol purple
indicator ACS,Reag. Ph Eur


Order number Packaging Quantity Price €
AC28504 Glass bottle 5 g 22.95
AC28504 Glass bottle 25 g 60.30


Product information
Grade ACS,Reag. Ph Eur
Synonyms 5′,5”-Dibromo-o-cresolsulfonphthalein
Hill Formula C21H16Br2O5S
HS Code 2934 99 90
EC number 204-087-8
Molar mass 540.22 g/mol
CAS number 115-40-2


Chemical and physical data
Solubility (20 °C) slightly soluble
Melting point 242 °C
Molar mass 540.22 g/mol
Bulk density 515 kg/m3


Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Transition range pH 5.2 – pH 6.8
greenish yellow – blue violet
Appearance of solution passes test
Loss on drying (110 °C) ≤ 1 %
Transition range
– according to ACS
passes test
Sensitivity test passes test



Hazard Symbol