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LC5309 Pyrogallol
GR for analysis


Order number Packaging Quantity Price €
AC32309 Glass bottle 50 g 37.35
AC32309 Glass bottle 250 g 149.4


Product information
Synonyms Pyrogallic acid, 1,2,3-Trihydroxybenzene
Hill Formula C6H6O3
Chemical formula C6H3(OH)3
HS Code 2907 29 00
EC number 201-762-9
Molar mass 126.11 g/mol
EC index number 604-009-00-6
CAS number 87-66-1


Chemical and physical data
Solubility 625 g/l (25 °C)
Melting point 131 – 135 °C
Molar mass 126.11 g/mol
Density 1.45 g/cm3 (20 °C)
Bulk density 600 kg/m3
pH value 4 – 5 (50 g/l, H2O, 20 °C)
Boiling point 309 °C
Vapor pressure 2 – 4 hPa (140 °C)


Safety information according to GHS
Hazard Statement(s) H341: Suspected of causing genetic defects.
H332: Harmful if inhaled.
H312: Harmful in contact with skin.
H302: Harmful if swallowed.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) P201: Obtain special instructions before use.
P273: Avoid release to the environment.
P308 + P313: IF exposed or concerned: Get medical advice/attention.
Signal Word Warning
Hazard Pictogram(s)
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.


Safety information
R Phrase R 20/21/22-52/53-68
Harmful by inhalation, in contact with skin and if swallowed.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Possible risk of irreversible effects.
S Phrase S 36/37-61
Wear suitable protective clothing and gloves.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger harmful, dangerous for the environment, mutagenic
Hazard Symbol



Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(1,2,3-TRIHYDROXYBENZENE), 6.1, III
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(1,2,3-TRIHYDROXYBENZENE), 6.1, III


Toxicological data
LD 50 oral LD50 rat 790 mg/kg


Assay (GC) ≥ 99.5 %
Identity (IR-spectrum) conforms
Melting point 131.0 – 135.0 °C
Chloride (Cl) ≤ 0.001 %
Sulfate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 5 ppm
Fe (Iron) ≤ 0.001 %
Sulfated ash ≤ 0.005 %