ITEM

STANDARD

Appearance

White crystalline powder

Identification

Conforms

Heat Stability

Not change in color after heating for 90 minutes at 105℃

Odor

Slight characteristic odor

Purity

99.0-101.0%

Water

=<0.5%

Melting Range (℃)

132-135

Residue on Ignition

=<0.2%

Aldehydes (as Formaldehyde)

0.1% Max

Lead (Pb)

=<5 mg/kg

Arsenic (As)

=<2 mg/kg

Mercury (Hg)

=<1 mg/kg

Heavy Metals (as Pb)

=<10 mg/kg