CAS
NO. |
1317-36-8 |
|
EINECS
NO. |
215-267-0 |
FORMULA |
PbO |
MOL
WT. |
223.20 |
H.S.
CODE
|
2824.10 |
TOXICITY |
|
SYNONYMS |
Lead
(II) oxide; Lead monoxide; Lead oxide yellow; |
C.I.
77577; Lead protoxide; Litharge yellow L-28; Massicot;
Massicotite; Pigment yellow 46; Yellow lead ocher; plumbous
oxide; |
SMILES |
|
CLASSIFICATION
|
|
DESCRIPTION
|
Synthetic
lead(II) oxide prepared by
heating lead or certain lead compounds in air
is
called LITHARGE. It is a
poisonous yellow or reddish-yellow solid, used
in making lead glass, pottery glazes, and rubber
|
PHYSICAL
AND CHEMICAL PROPERTIES
|
PHYSICAL
STATE |
reddish
yellow powder, odorless |
MELTING
POINT |
888
C |
BOILING
POINT |
1470
C |
SPECIFIC
GRAVITY |
9.53 |
SOLUBILITY
IN WATER |
Insoluble
in water and alcohol |
SOLUBILITY |
soluble
in acetic acid, nitric acid, alkalies |
pH |
Strong
base |
VAPOR
DENSITY |
|
REFRACTIVE
INDEX
|
|
NFPA
RATINGS
|
Health:
3 Flammability: 0 Reactivity: 0 |
AUTOIGNITION
|
|
FLASH
POINT |
|
STABILITY |
Stable
under ordinary conditions |
APPLICATIONS
|
Glazing
pottery, Glass flux for painting, Lead glass;
Metal cement with Glycerol; Storage batteries;
Ointments and Plasters; Preparing lead subacetate
solutions. Pproducing iridescent colors on brass
and bronze; Coloring sulfur-containing substances;
Pigment for rubber; Oil refining; Varnishes,
Paints, and Enamels; Aassays for precious metal
ores |
SALES
SPECIFICATION |
APPEARANCE
|
Yellow
powder |
LEAD
MONOXIDE |
99.3%
max
|
LEAD
PEROXIDE |
0.1%
max |
RESIDUE
IN NITRIC ACID |
0.1%
max |
MOISTURE
|
0.2%
max
|
IRON
OXIDE
|
0.005%
max |
COPPER
OXIDE
|
0.002%
max |
PARTICLE
SIZE
|
+180
mesh : 0.5% max
|
TRANSPORTATION |
PACKING |
25kgs
in bag |
HAZARD
CLASS |
5.1 |
UN
NO. |
1479 |
REMARKS |
Hazard Symbols: T N, Risk Phrases: 20/22-33-61-62-50/53,
Safety Phrases: 53-45-60- 61 |