Assay(Dried Basis)

99.0%-101.0%

Appearance

Yellow crystalline powder

Identification

Positive

Particle Size

≥80% through 60 mesh

Melting Point

60.0-62.0℃

Specific rotation

-1.0°-+1.0°

Loss on Drying

≤0.2%

Residue on ignition

≤0.1%

Bulk density

≥0.3g/ml

Tapped density

≥0.4g/ml

Single Impurity

≤0.1%

Total Impurities

≤2.0%

Limit of polymer content

Conforms  to standard

Cyclohexane

≤3880ppm

Ethyl Acetate

≤5000ppm

Toluene

≤890ppm

Heavy Metals

≤10.0ppm

Lead（Pb)

≤1.0ppm

Arsenic(As）

≤1.0ppm

Cadmium（Cd）

≤0.2ppm

Mercury(Hg)

≤0.1ppm

Total Plate Count

≤1000cfu/g

Yeast＆Mold

≤100cfu/g

E.Coli

Negative/l0g

Salmonella

Negative/l0g

Staphylococcus

Negative/l0g