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HomeProduct name listLEAD CARBONATE

LEAD CARBONATE

  • CAS NO.:598-63-0
  • Empirical Formula: CO3Pb
  • Molecular Weight: 267.21
  • MDL number: MFCD00064631
  • EINECS: 209-943-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-02-18 17:28:16
LEAD CARBONATE Structural

What is LEAD CARBONATE?

Chemical properties

colorless ortho-rhomb crystal(s); made by adding CO2 to a cold dilute solution of lead acetate; many uses such as a catalyst for organic reactions, in high temp greases, as a photoconductor in electrophotography [KIR78]

Chemical properties

Lead carbonate forms colorless orthorhombic crystals; it decomposes at about 315 °C. It is nearly insoluble in cold water (0.00011 g/100 mL at 20 °C), but is transformed in hot water to the basic carbonate, 2PbCO3·Pb(OH)2. Lead carbonate is soluble in acids and alkalies, but insoluble in alcohol and ammonia.

The Uses of LEAD CARBONATE

Lead carbonate (PbCO3) is found in nature as cerussite. It can also be produced in the laboratory by reacting sodium carbonate with chlorine. It is a crystalline poison that was, and to a lesser extent still is, used as a pigment in white house paints.

The Uses of LEAD CARBONATE

Preparation of lead standard solutions

The Uses of LEAD CARBONATE

Lead carbonate has a wide range of applications. It catalyzes the polymerization of formaldehyde to high molecular weight crystalline poly(oxymethylene) products. It is used in poly(vinyl chloride) friction liners for pulleys on drive cables of hoisting engines. To improve the bond of polychloroprene to metals in wire-reinforced hoses, 10–25 parts of lead carbonate are used in the elastomer. Lead carbonate is used as a component of high pressure lubricating greases; as a catalyst in the curing of moldable thermosetting silicone resins; as a coating on vinyl chloride polymers to improve their dielectric properties; as a component of corrosion-resistant, dispersion-strengthened grids in lead–acid storage batteries; as a photoconductor for electrophotography; as a coating on heatsensitive sheets for thermographic copying; as a component of a lubricantstabilizer for poly(vinyl chloride); as a component in the manufacture of thermistors, and as a component in slip-preventing waxes for steel cables to provide higher wear resistance.

Definition

A naturally occurring form of lead(II) carbonate that is an important lead ore. It forms orthorhombic crystals and is often found together with galena (PbS).

Definition

cerussite: An ore of lead consistingof lead carbonate, PbCO3. It is usuallyof secondary origin, formed by theweathering of galena. Pure cerussiteis white but the mineral may be grey due to the presence of impurities. Itforms well-shaped orthorhombiccrystals. It occurs in the USA, Spain,and SW Africa.

Production Methods

Lead carbonate is prepared by passing CO2 into a cold dilute solution of lead acetate, or by shaking a suspension of a lead salt less soluble than the carbonate with ammonium carbonate at a low temperature to avoid formation of basic lead carbonate.

Properties of LEAD CARBONATE

Melting point: 399-401°C (dec.)
Density  6.6 g/cm3
refractive index  2.08
storage temp.  Store below +30°C.
solubility  insoluble in H2O
form  Powder
color  White
PH 5.8 (50g/l, H2O, 20℃)(slurry)
Water Solubility  Soluble in acid and alkali. Insoluble in water, alcohol and ammonia.
Dielectric constant 18.1(16.0℃)
Stability: Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference 598-63-0(CAS DataBase Reference)
EPA Substance Registry System Lead(II) carbonate (598-63-0)

Safety information for LEAD CARBONATE

Signal word Danger
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H373:Specific target organ toxicity, repeated exposure
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P308+P313:IF exposed or concerned: Get medical advice/attention.

Computed Descriptors for LEAD CARBONATE

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