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LC5310 Pyrogallol red
metal indicator


Order number Packaging Quantity Price €
AC32310 Glass bottle 1 g 22.73


Product information
Synonyms Pyrogallic acid
Hill Formula C19H12O8S
HS Code 2934 99 90
EC number 251-134-3
Molar mass 400.36 g/mol
CAS number 32638-88-3


Chemical and physical data
Solubility (20 °C) soluble
Melting point >300 °C
Molar mass 400.36 g/mol


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.



Appearance of solution conforms
Loss on drying (110 °C) ≤ 5.0 %
Suitability as indicator (for metal titration) conforms