Item

Value

characteristics

white or off white crystal or crystalline powder

Identification

1,2,3,4 meet the requirement of standard

Melting point

205.0～209.0℃

Acidity

PH2.4～3.0

Loss on dry

≤0.5%

Residue on ignition

≤0.1%

Sulfated ash

≤0.1%

Heavy metal ( As Pb)

10PPM

Assay(dry C8H11NO3·HCL)

99.0%～101.0%

Clarity and color of solution

meet the requirement of standard

Chlorine

16.9%～17.6%

Relative matter

meet the requirement of standard

Organic volatile matter

meet the requirement of standard

Microorganism

(test when you need)

Germs

≤100/g

Mycete

≤10/g

Escherichia coli

should be undetected