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LC678 Bromophenol red
indicator

 

Order number Packaging Quantity Price €
AC27678 Glass bottle 5 g 85.5

 

Product information
Synonyms 3′,3”-Dibromophenolsulfonphthalein, BPR
Hill Formula C19H12Br2O5S
HS Code 2934 99 90
EC number 220-538-1
Molar mass 512.18 g/mol
CAS number 2800-80-8

 

Chemical and physical data
Solubility (20 °C) slightly soluble
Melting point ca.230 °C (decomposition)
Molar mass 512.18 g/mol
Bulk density 770 kg/m3

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 3 highly 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

 

Specifications
Identity (UV/VIS-Spectrum) passes test
Transition range pH 4.7 – pH 6.3 Yellow to purple
Absorption maximum λ 1 (buffer pH 4.7) 435 – 440 nm
Absorption maximum λ 2 (buffer pH 6.3) 574 – 577 nm
Spec. Absorptivity A 1%/1cm
– λ17m7ax; 0.01 g/l; buffer pH 4.7; calculated on anhydrous substance
≥ 380
– λ27m7ax; 0.01 g/l; Puffer pH 6.3; calculated on anhydrous substance ≥ 760
Water (according to Karl Fischer) ≤ 5 %