4-(Dimethylamino) Benzaldehyde (Reag. USP, Ph. Eur.) for analysis, ACS
Content: 100 GRM
Physical Description:
solid
Yellowish-white crystalline powder , turns pink on exposure to light
Quality Name: for analysis, ACS
Specification: Minimum assay (G.C.): 99.0%
Identity: IR passes test
Melting range: 73-75°C

?maximum limit of impurities:
APHA colour: 60
Insoluble matter in C2H5OH: passes test
Insoluble matter in HCl: passes test
Residue on ignition (as SO4): 0.1 %
Colour of acid solution: passes test

Metals by ICP [in mg/Kg (ppm)]:
Ca: 10
Cd: 5
Co: 5
Cr: 5
Cu: 5
Fe: 100
K: 50
Mg: 5
Mn: 5
Na: 500
Ni: 5
Pb: 5
Zn: 50