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Key Documents

11536

Sigma-Aldrich

Lead(II,IV) oxide

≥96%

Synonym(s):

Minium, Red lead oxide, Trilead tetraoxide

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About This Item

Linear Formula:
Pb3O4
CAS Number:
Molecular Weight:
685.60
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

10 mmHg ( 0 °C)

Quality Level

Assay

≥96%

form

solid

reaction suitability

core: lead
reagent type: catalyst

impurities

≤0.1% in HNO3/H2O2 insoluble matter

anion traces

chloride (Cl-): ≤100 mg/kg

SMILES string

O1[PbH2]O[Pb]12O[PbH2]O2

InChI

1S/4O.3Pb

InChI key

XMFOQHDPRMAJNU-UHFFFAOYSA-N

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General description

Lead(II,IV) oxide is a red pigment commonly used as an anti-corrosive pigment in protective coatings and as electrodes in batteries. In addition, it is also used as a catalyst for the Diels-Alder cycloaddition and as an oxidant for the generation of quinones from hydroquinones.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Ox. Sol. 2 - Repr. 1A - STOT RE 1

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

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Synthesis of Six-Membered Functionalized Carbocyclic Compounds by One-Pot Reaction of Hydroquinone Derivatives and Dienes
Cai GR, et al.
Synthetic Communications, 41(20), 3016-3025 (2011)
Azarcón and empacho.
A Ackerman et al.
Pediatrics, 73(1), 114-115 (1984-01-01)
Lead oxide emissions--a case history.
J Delaine
The Annals of occupational hygiene, 30(2), 257-261 (1986-01-01)
L Yáñez et al.
Journal of ethnopharmacology, 41(1-2), 91-97 (1994-01-01)
Azarcon, a lead tetroxide salt, is used among Mexican and Mexican-American populations for the treatment of digestive illness. Chemical analysis of the azarcon sample used in this study showed it to be 96% lead, 1% calcium, 1% other minor metals
R D Baer et al.
Journal of ethnopharmacology, 24(1), 31-39 (1988-09-01)
This article discusses the availability of three lead-based salts which are being used as folk remedies in Mexico. Distribution systems and geographic availability were determined, and purchased samples were found to be very high in lead content. The findings suggest

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