HO5PPb3
730 g/mol
Industrial ChemicalDanger
Trilead dioxide phosphonate
CAS12141-20-7EC235-252-2
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Corrosion inhibitor
Trilead dioxide phosphonate is an inorganic salt compound primarily used as a corrosion inhibitor in industrial applications. It consists of lead cations and phosphonate anions, reflecting its role in preventing metal degradation.
Corrosion inhibition in industrial systems
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 12141-20-7
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Safety Reference
Danger
H228Flammable solid
H302Harmful if swallowed
H332Harmful if inhaled
H350May cause cancer
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H341Suspected of causing genetic defects
Customs Tariff Classification
The international HS code for Trilead dioxide phosphonate (CAS 12141-20-7) is 2835.10.
HS code (international, 6-digit)
2835.10
EU CN code (8-digit)
2835 10 00
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
hydrogen phosphite;lead(2+);oxolead
InChIKey
LAZQCXJJXWHRDJ-UHFFFAOYSA-N
SMILES
OP([O-])[O-].O=[Pb].O=[Pb].[Pb+2]
Synonyms (6)
- Dibasic lead(II) phosphite
- Lead oxide phosphite
- Lead phosphite,dibasic
- Trilead dioxide phosphonate