Item

Specification

Result

Assay

≥ 97.0%

99.62%

Melting range

81.0-83.0 °C

82.6-82.7°C

Flash point(15 mm Hg)

147-180 °C

170 °C

Loss On Drying

≤ 0.5 %

0.004%

Arsenic(as As)

≤ 0.0003%

< 0.0003%

Mercury(Hg)

≤0.0001%

<0.0001%

Heavy Metal(as Pb)

≤ 0.001%

< 0.001%

Lead

≤0.0003%

0.0001%

Residue On Ignition

≤ 0.05 %

0.001%

Conclusion:The goods conform to FCCVII edition,GB12487-2010

Item

Standard

Test Method

Results

FCC VIII

Appearance

Fine white or slightly yellow crystals

Eyeballing

Conformity

Odor

Strong vanilla

Paired comparison

Method

Conformity

Identification

Conform

IR

Conformity

Assay, %

≥99.0

GC

99.97

Loss on drying,%

≤0.5

Silica gel drier

0.07

Melting range,  ℃

76-78

Melting point Apparatus

76.1

Residue on ignition,%

≤ 0.05

High temperature

Ignition

0.04

Solubility

1g in100mL water(50℃)or 5mL 95%ethanol

Dynamic

Method

Conformity

Heavy Metals(Pb),%

≤ 0.001

Colorimetry

<0.001

Arsenic,%

≤ 0.0003

Arsenic stain Method

<0.0003

Conclusion

This material complies with FCC VIII