Zinc Bromide CAS 7699-45-8

CAS: 7699-45-8

Purity: 98%min

Molecular Formula: Br2Zn

Molecular Weight：225.2

EINECS：231-718-4

Storage Period：1 year

Synonyms:Zinc bromide (ZnBr2); Zinc bromide anhydrous; zincbromide(znbr2); zincdibromide; ZnBr2; ZINC BROMIDE; ZINC(II) BROMIDE; ZINC BROMIDE SOL. D20 2,5 OPTICAL GRADE FOR SHIELDED WINDOWS OF HOT CELLS

What is Zinc Bromide CAS 7699-45-8？

Zinc bromide is a white hygroscopic crystalline powder. Relative density is 4.5. Melting point 394 ℃. Boiling point is 650 ℃. Heat of vaporization 118 kJ/mol; Melting heat is 16.70 kJ/mol. Refractive index 1.5452 (20 ℃). Easy to dissolve in water, alcohol, ether, and acetone, as well as alkali metal hydroxide solutions.

Specification

ITEM	STANDARD
Appearance	White or yellowish solid
ZnBr2	≥98.0
pH (5%)	4.0-6.0
Chloride (CI-)	≤1.0
Sulfate (SO42-)	≤0.02
Bromate (BrO3-)	No response
Heavy Metals (Pb)	≤0.03

Application

Zinc bromide plays an important role in the maintenance of oil (offshore oil fields) and natural gas wells, and the prepared zinc bromide solution is mainly used as completion fluid and cementing fluid.

Zinc bromide is also used as an electrolyte in zinc bromide batteries.