Zinc chloride
name：Zinc chloride
Formula：ZnCl2
M.W：136.315
CAS NO.：7646-85-7
Characters：White, rod, or powder.No smell.Easy to moisture absorption.When the water solubility of 25 ℃ for 432 g, 100 ℃ for 614 g.1g dissolved in 0.25ml 2% hydrochloric acid, 1.3ml ethanol and 2ml glycerin.Soluble in acetone.Add a lot of water, oxygen and zinc chloride.Its aqueous solution is acidic with a pH of about 4.Relative density 2.907.Melting point of about 290 ℃.The boiling point of 732 ℃.Toxic, half lethal dose (rat, vein) 60 ~ 90mg/kg.Corrosive.
Usage：Is mainly used in organic synthesis industry dehydrating agent and catalyst, mordant dyeing industry, SiGuangJi, sizing agent and preservative, are also used in battery industry, manufacturing toughened paper, electroplating, dye, medicine, wood preservation, pesticide, coating and paint.
Specification：

ITEMS

INDEX

Cell Grade

First Grade

Second Grade

content( ZnCl2) % ≥

98.0

98.0

96.0

oxide(ZnO) %

1.8-2.2

2.2

2.2

sulfate (SO4 ) % ≤

0.01

0.01

0.05

Ba % ≤

0.1

0.10

0.20

Fe % ≤

0.0005

0.001

0.002

Pb % ≤

0.0005

0.001


0.002


Corrosion test of Zinc

Qualified