LITHARGE

PRODUCT IDENTIFICATION
CAS NO. 1317-36-8

LITHARGE
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;
DERIVATION  

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