A200335 | Pyrogallic Acid (Reag. Ph. Eur.) ANALYTIC-ACS

CAS Number

87-66-1

Formula

C6H3(OH)3

Weight

M: 126,11 EC: 201-762-9 NC: 2907 29 00

Signal Word: Warning

78 H332-H312-H302-H341-H412

 

Specifications
Minimum assay (G.C) 99 %
Identity IR p/t.
Melting range 131,0-135,0°C
MAX. IMPURITIES
Insoluble matter in H2O 0,01 %
Residue on ignition (as SO4) 0,005 %
Chloride (Cl) 0,001 %
Sulphate (SO4) 0,005 %
Heavy metals (as Pb) 0,0005 %
Cu 0,0005 %
Fe 0,001 %
Ni 0,0005 %
Pb 0,0005 %
Minimum assay (G.C) 99 %
Identity IR p/t.
Melting range 131,0-135,0°C
MAX. IMPURITIES
Insoluble matter in H2O 0,01 %
Residue on ignition (as SO4) 0,005 %
Chloride (Cl) 0,001 %
Sulphate (SO4) 0,005 %
Heavy metals (as Pb) 0,0005 %
Cu 0,0005 %
Fe 0,001 %
Ni 0,0005 %
Pb 0,0005 %

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