碱式碳酸铅

Description

Lead sub-carbonate · CAS 1319-46-6 · C2H2O8Pb3. UNII WDF96425HV. Melting Point: 400 °C, decomposes; Density: 6.14 g/cu cm.

Identification

CAS Registry Number	1319-46-6
PubChem CID	14834
Molecular formula	C2H2O8Pb3
IUPAC name	tris(lead(2+));dicarbonate;dihydroxide
UNII (FDA)	WDF96425HV

Computed Descriptors

Molecular Weight	7.8e+02
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	0
Exact Mass	775.90274
Monoisotopic Mass	777.90492
Topological Polar Surface Area	128
Heavy Atom Count	13
Formal Charge	0
Complexity	18.8

Physical & Chemical Properties

Melting Point	400 °C, decomposes
Density	6.14 g/cu cm

Physical description & handling notes

• Dry Powder; Other Solid
• White solid; Insoluble in water; [Merck Index] Off-white odorless powder; [Alfa Aesar MSDS]
• White hexagonal crystals
• White, amorphous powder
• Sol in acetic acid
• Insol in water and alcohol; slightly sol in carbonated water; sol in nitric acid

GHS Hazard Classification

Reported hazard statements	H302 (100%), H332 (100%), H360 (99.7%), H373 (100%), H400 (98.2%), H410 (100%), H341, H351

Documented Uses

• Found naturally as the mineral hydrocerussite; [Merck Index] Used as pigment (exterior paints, ceramic glazes, temperature-sensitive inks, UV light reflective paints, and iridescent plastic sheets), catalyst for polyesters, curing agent for peroxides in polyethylene wire insulation, smudge-resistant film on electrically sensitive recording sheets, cool gun-propellant stabilizer, and heat stabilizer for PVC polymers; Also used in lubricating greases, nylon-reinforced fish nets made from PVC fibers, cements, and for
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Cement Producing [Category: Industry]
• Ceramics making [Category: Hobbies]
• Exterior paint pigment, ceramic glazes

Synonyms

Basic lead carbonate; Lead(II) carbonate basic; Cerussa; Ceruse; Flake lead; Lead subcarbonate; LEAD HYDROXIDE CARBONATE; Berlin white; Silver white; Trilead bis(carbonate) dihydroxide; WDF96425HV; Lead carbonate hydroxide; White lead, hydrocerussite; DTXSID9029641; Carbonic acid, lead salt, basic; HSDB 5701

Frequently Asked Questions

What are the CAS number and molecular formula of Lead sub-carbonate?

CAS 1319-46-6; molecular formula C2H2O8Pb3; molecular weight — g/mol.

What other names is Lead sub-carbonate known by?

Basic lead carbonate, Lead(II) carbonate basic, Cerussa, Ceruse, Flake lead, Lead subcarbonate.

Is Lead sub-carbonate classified as hazardous?

Hazard statements reported: H302, H332, H360, H373, H400.

What are the key physical properties of Lead sub-carbonate?

Melting Point: 400 °C, decomposes; Density: 6.14 g/cu cm.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.