| CAS
NO. |
1314-13-2 |
|
| EINECS
NO. |
215-222-5 |
| FORMULA |
ZnO |
| MOL
WT. |
81.37 |
|
H.S.CODE
|
2817.00 |
| TOXICITY |
|
| SYNONYMS |
Zinc white; Zinc
flowers ; C.I. pigment white 4; ZnO; |
| SMILES |
|
|
CLASSIFICATION
|
|
|
PHYSICAL AND CHEMICAL PROPERTIES
|
| PHYSICAL
STATE |
white amorphous powder,
Odorless |
| MELTING POINT |
1975
C |
| BOILING
POINT |
Sublimes |
| SPECIFIC GRAVITY |
5.606 |
| SOLUBILITY
IN WATER |
Insoluble
(soluble in dilute acids,
insoluble in alcohols) |
| pH |
6.95 |
| VAPOR DENSITY |
2.26 |
|
AUTOIGNITION
|
|
|
NFPA
RATINGS
|
Health: 1 Flammability: 0 Reactivity: 0 |
|
REFRACTIVE
INDEX
|
|
| FLASH
POINT |
non-combutible |
| STABILITY |
Stable under ordinary conditions |
|
GENERAL
DESCRIPTION & APPLICATIONS
|
|
Zinc
Oxide (also called Zinc White) is an amorphous white or yellowish powder,
insoluble in water and alcohol but soluble in acid and alkali. Zinc oxide
particles may be spherical, acicular or nodular depending on the manufacturing
process. The
particle shape is important for maximizing physical properties. Zinc
oxide absorbs virtually all UV light radiation at wavelengths below 360 nm and
provides binders outstanding protection. Zinc oxide reacts with acidic
components of coatings and forms zinc soaps. Zinc soaps improve the flexibility
and hardness of coatings. It is used as a pigment in compounding rubber, as a
white pigment in the ceramics industry, as an opaque base in cosmetics, and it
has other applications in the paper, the paints and the optical glass
industries. |
SALES
SPECIFICATION |
|
PROPERTY
|
INDUSTRIAL GRADE
|
PROPERTY
|
BP GRADE
|
|
ZnO
|
99.5% min
|
ZnO
|
99.8% min
|
|
Zn
|
Nil
|
Arsenic
(As)
|
5ppm max
|
|
Pb
|
0.035% max
|
Cadmium
(Cd)
|
10ppm max
|
|
Mn
|
0.0001% max
|
Iron
(Fe)
|
200ppm max
|
|
CuO
|
0.0002% max
|
Lead
(Pb)
|
50ppm max
|
|
Water
Soluble
|
0.1wt% max
|
Water
Soluble
|
0.1wt% max
|
|
HCl
Insoluble
|
0.006% max
|
Loss
on Ignition
|
0.1wt% max
|
|
Volatile
Matter
|
0.3% max
|
Screen
Residue
|
0.1% max (325mesh)
|
|
Loss
on Ignition
|
0.2% max
|
|
|
|
Screen
Residue
|
0.5% max (325mesh)
|
|
|
|
PROPERTY
|
UNIT
|
RUBBER GRADE
|
PAINT GRADE
|
|
ZnO
|
wt% min
|
99.5
|
99.5
|
|
PbO
|
wt% max
|
0.12
|
-
|
|
CdO
|
wt% max
|
0.02
|
-
|
|
CuO
|
wt% max
|
0.006
|
-
|
|
Mn
|
wt% max
|
0.0002
|
-
|
|
Zn
|
wt% max
|
Nil
|
Nil-
|
|
Moisture
|
ppm max
|
0.4
|
0.4
|
|
HCl Insoluble
|
ppm max
|
0.03
|
-
|
|
Water
Soluble
|
wt% max
|
0.4
|
0.4
|
|
Hiding
Power
|
g/m2 max
|
-
|
150
|
|
Oil Absorption
|
g/100g max
|
-
|
18
|
|
Color
|
Killing %
|
-
|
100
|
|
Loss
on Ignition
|
wt% max
|
0.4
|
-
|
|
Sieve
Residue
|
wt% max
|
0.5
(325mesh)
|
0.5
(325mesh)
|
|
| TRANSPORTATION |
| PACKING |
25
kgs in Bag, 1mts in Bag |
| HAZARD CLASS |
Hazard Symbols: XI;
Risk Phrases: R 36/37/38 |
| UN
NO. |
Not regulated |
|
MEMBERS
OF PIGMENT WHITE
|
| C.I.
Number |
Chemical
name
|
CAS
RN
|
| Pigment white 1 |
Lead hydroxide
carbonate |
1319-46-6 |
| Pigment white 3 |
Lead sulfate
|
7446-14-2 |
| Pigment white 4 |
Zinc oxide |
1314-13-2 |
| Pigment white 5 |
Lithopone
|
1345-05-7 |
| Pigment white 6 |
Titanium dioxide
|
13463-67-7 |
| Pigment white 7 |
Zinc sulfide
|
1314-98-3 |
| Pigment white 10 |
Barium carbonate |
513-77-9 |
| Pigment white 11 |
Antimony trioxide
|
1309-64-4 |
| Pigment white 12 |
Zirconium oxide
|
1314-23-4 |
| Pigment white 14 |
Bismuth oxychloride
|
7787-59-9 |
| Pigment white 17 |
Bismuth subnitrate |
1304-85-4 |
| Pigment white 18 |
Calcium carbonate |
471-34-1 |
| Pigment white
19 |
Kaolin |
1332-58-7 |
| Pigment white 21 |
Barium sulfate |
7727-43-7 |
| Pigment white 24 |
Aluminum hydroxide |
21645-51-2 |
| Pigment white 25 |
Calcium sulfate
|
7778-18-9 |
| Pigment white 27 |
Silicon dioxide |
7631-86-9 |
| Pigment white 28 |
Calcium metasilicate |
10101-39-0 |
| Pigment white 32 |
Zinc phosphate cement
|
7779-90-0 |
|