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Chemical name: |
Zinc Borate |
|
Formula: |
2ZnO·3B2O3·7H2O |
|
CAS Number: 1332-07-6 |
EINECS Number: 215-566-6 |
|
MW: |
497.68(2ZnO·3B2O3·7H2O) |
|
General & Use:
Plastics and rubber
Coating and adhesives
General Properties:
Appearance: White crystal powder |
Oil Absorption, g/100 g: 24.5 |
Refractive Index:1.58 |
Specific Gravity @ 25 oC, g/ml: 2.7 |
Physical and Chemical Properties:
Item Model |
237 |
B2O3 % |
40.0-43.0 |
ZnO % |
32.0-35.0 |
Surface water % ≤ |
1.0 |
Loss on ignition % ≤ |
24.0-26.5 |
Mean particle diameter µ m ≤ |
5.0 |
Thermogravimetric Analysis ( 10oC/min N2)
2ZnO·3B2O3·7H2O
Weight Loss, 1% 5% 10%
Temperature, oC 160oC 180oC 190oC
Solubility
Soluble in Chlorhydric acid, Sulfuric acid.
Insolubile in water,ethanol,acetone and benzene.