O7Pb4S
970 g/mol
Industrial ChemicalDanger
Tribasic lead sulfate
CAS12202-17-4EC235-380-9
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
stabilizer in PVC production
Tribasic lead sulfate is an inorganic salt compound composed of lead cations, sulfate anions, and oxide anions. It is primarily used as a heat stabilizer in the production of polyvinyl chloride (PVC) to prevent degradation during processing.
heat stabilizer in PVC manufacturingadditive for improving thermal stability of PVC products
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Restriction List
CAS 12202-17-4
Related Compounds
StrongStructure SimilarSimilarity 1.00
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Industrial chemical intermediate
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Coagulant for industrial wastes
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Manganese source for fertilizers and feed additives
StrongStructure SimilarSimilarity 1.00
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Crop production and protection agent
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Safety Reference
Danger
H350May cause cancer
H360May damage fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H303May be harmful if swallowed
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Tribasic lead sulfate (CAS 12202-17-4) is 2833.29.
HS code (international, 6-digit)
2833.29
EU CN code (8-digit)
2833 29 60
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
tetrakis(lead(2+));tris(oxygen(2-));sulfate
InChIKey
OCWMFVJKFWXKNZ-UHFFFAOYSA-L
SMILES
[O-2].[O-2].[O-2].[O-]S(=O)(=O)[O-].[Pb+2].[Pb+2].[Pb+2].[Pb+2]
Synonyms (4)
- Tetralead trioxide sulfate
- Tribasic lead sulfate
- Tribasic lead(II) sulfate