COA Center



LACMOID (pH Indicator) Indicator grade


5 g (00005)

25 g (00025)

1GBA000015 1GBA000060
Article No. 04300 Grade Indicator grade
Purity CAS No. 33869-21-5
Molecular Formula C24H16N2O6 Molecular Weight 428.39
H.S. Code 3204.9000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Dark violet
pH value 4.4 - 6.2 Solubility in water [% weight] Slightly soluble in water


Appearance Orange-red to dark violet coloured solid pH (4 - 6) Orange - red to violet

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date: 06-Dec-2016

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