Assay

≥ 99.0%

99.13%

Appearance

White crystalline powder

Complies

Odor

Characteristic

Complies

Identification

Positive

Complies

Melting Point

126 – 134 °C

128.0– 132.0 °C

Optical Rotation

+13.3° – +14.3°

+13.7°

PowderSize

≥ 95% through 30 mesh

Complies

Bulk Density

0.30 – 0.50 g/mL

0.34 g/mL

Tapped Density

0.45 – 0.75 g/mL

0.55 g/mL

Solubility

Clear and colorless

Complies

Loss on Drying

≤ 0.5%

0.06%

Residue on Ignition

≤ 0.1%

0.07%

Pesticide Residues

USP<561>

Complies

TotalHeavyMetals

≤ 10 μg/g

Complies

Arsenic (As)

≤ 1.0 μg/g

< 0.1 μg/g

Cadmium(Cd)

≤ 0.5 μg/g

< 0.01 μg/g

Lead (Pb)

≤ 1.0μg/g

< 0.1 μg/g

Mercury(Hg)

≤ 0.5 μg/g

< 0.01 μg/g

TotalPlate Count

≤ 1,000 cfu/g

5cfu/g

Molds andYeasts

≤ 100 cfu/g

< 10cfu/g