INSPECTION ITEM

QUALITY STANDARD

RESULT

Solubility

Very soluble in water, freely soluble in ethanol(96 percent)

Very soluble in water, freely soluble in ethanol(96 percent)

Appearance of solution

Clear and colorless

Clear and colorless

Identification Tests

A)  Gives reaction of Chloride

 B)  Gives reaction of Magnesium

A) Complies

B) Complies

MgCl₂.6H2O              W/%≥

98

100.40

PH

4.5-7.0

6.25

Insoluble matter  W/ %          ≤

0.005

No detected

Ba

No turbidity is produced within 2 h

Complies

Ca /（mg/kg）≤

100

52

As /（mg/kg）≤

2

＜2

Chloride and Sulfate W/ %     ≤

0.005

No detected

Heavy Metals /（mg/kg）≤

10

＜10

K  

No turbidity is produced within 5 min

Complies

Al /（mg/kg）≤

1

＜1

Conclusion: Quality comply with USP