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BROMOCRESOL GREEN INDICATOR AR/ACS

Packings

5 g (00005)

25 g (00025)

1GBA000015 1PB1200060
Article No. 02270 Grade AR/ACS
Purity dye content 95% CAS No. 76-60-8
Molecular Formula C21H14Br4O5S Molecular Weight 698.04
H.S. Code 2934.9990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White to buff
Melting point/ Freezing point [°C] 225 °C Solubility in water [% weight] Slightly soluble in water

Specifications

Appearance Yellow to Tan Coloured Powder Dye content (by spectrophotometry) Min 95%
Identity (IR) Passes test pH 3.8-5.4 Yellow to blue
Appearance of solution Conforms Absorption maxima (0.003% Methanol) 418 – 428 nm
Molar Absorptivity at lambda max Min 17000 Loss on drying (at 110°C) Max 3%
Transition range (according to ACS) Passes test Sensitivity Passes test
Revision Date: 30-Jul-2021

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