Item

Specifications

Appearance

White crystalline powder

Assay

98.5~101.5%

Identification

IR

Infrared absorption contrast pattern consistent

UV

It meets the requirements in the chapter and the A245/262 ratio is 0.63~0.67

Readily carbonizable substances

Not deeper than the matching fluid A

Solubility

Freely soluble in water and in ethanol (95%)

Melting range

128.0℃~131.0℃

Loss on drying

≤0.5%

Residue on ignition

≤0.1%

Heavy metals (Pb)

≤20 ppm

- Mercury

≤0.1 ppm

- Lead

≤2.0 ppm

- Arsenic

≤1.0 ppm

- Cadmium

≤1.0 ppm

Total Plate Count

≤1000 CFU/g

Yeast & Mold

≤100 CFU/g

1. Coli

Negative

Salmonella

Negative