Zinc oxide, Zinc white;
ZnO, CAS no.1314-13-2;
White powder;
Ceramic glaze and frit composition;
Mostly used in vulcanization in rubber industry.

Chemical Identification

Common Name:	Zinc Oxide
Synonyms:	Zinc white;
CAS No.:	1314-13-2
EINECS No.:	215-222-5
Appearance:	White powder
Density:	5.6
Melting Point:	1975ºC
Boiling Point:	2360ºC
Stability:	Stable. Incompatible with magnesium, strong acids.
Molecular Formula:	ZnO
Molecular Weight:	81.38
Molecular Structure:

Product Information

Specifications:

Specifications of zinc oxide

Product name: Zinc Oxide Manufacturer: Ningbo Titan Unichem Co., Ltd.
TEST ITEMS	SPECIFICATIONS
	Industrial grade	Feed grade
Appearance	White powder	White powder
ZnO (dry basis)	99.7% min	99%-100.5%
PbO tested in Pb	0.14% max	0.005% max
MnO   tested in Mn	0.0001% max	0.0001% max
CuO tested in Cu	0.0005% max	0.0002% max
Not to dissoluble in HCL	0.05% max	0.006% max
Lost in inflammation	0.2% max	0.2% max
Sieve residue 325mesh	0.2% max	0.1% max
Dissoluble in water	0.15% max	/
As	/	0.0005% max
Cd	/	0.001% max

Pictures:

 

Loading of zinc oxide from TITAN UNICHEM.

 

Loading of zinc oxide from TITAN UNICHEM.

Packaging:

• Packed in 25Kg PP-PE woven bag;

• Or package as per customer's request.

Delivery Lead Time:

• Prompt shipment within 2 weeks.

Storage & Handling:

• Store in a cool, dry and well-ventilated place.

Safety Information:

RIDADR:	UN 3077 9/PG 3
Packing Group:	III
HS Code:	3824909990
Safety Statements:	S60-S61
Risk Statements:	R50/53
Hazard Codes:	N: Dangerous for the environment

Application

Descriptions:

• Crude zinc oxide is a yellow-gray granular solid with no odor.

• Zinc oxide is a white powder, but in nature it occurs as the rare mineral zincite, which usually contains manganese and other impurities that confer a yellow to red color.

• Zinc oxide is thermochromic, changing from white to yellow when heated in air and reverting to white on cooling.

• Zinc oxide is nearly insoluble in water, but it is soluble in (degraded by) most acids, such as hydrochloric acid.

• Prolonged inhalation of the dust may result in metal fume fever with symptoms of chills, fever, muscular pain, nausea and vomiting.

• Its primary hazard is the threat posed to the environment.

• Zinc oxide is an amphoteric oxide.

Uses:

• Zinc oxide is widely used as active agent of vulcanization in rubber industry. Zinc oxide also protects rubber from fungi and UV light.

• Zinc oxide is also widely used in ceramic industry, particularly in ceramic glaze and frit compositions. The relatively high heat capacity, thermal conductivity and high temperature stability of ZnO coupled with a comparatively low coefficient of expansion are desirable properties in the production of ceramics.

• Zinc oxide is added to many food products as a source of zinc, a necessary nutrient. Some prepackaged foods also include trace amounts of ZnO even if it is not intended as a nutrient.

• Zinc white is used as a pigment in paints, it is more opaque than lithopone, but less opaque than titanium dioxide. It is also used in coatings for paper.

• Zinc oxide has been utilized as anticorrosive coatings for metals. They are especially effective for galvanized iron. Zinc oxide paints retain their flexibility and adherence on such surfaces for many years.