Dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate

CrMoO12Pb3S

dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate

CAS12656-85-8
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
12656-85-8
EC Number
235-759-9
UN Number
3077
Index Number
082-010-00-5
PubChem CID
138394069

Physical-chemical properties

Molecular Formula
CrMoO12Pb3S
Molar Mass
990.00 g/mol
IUPAC Name
dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate

Chemical Identifiers

InChI
InChI=1S/Cr.Mo.H2O4S.8O.3Pb/c;;1-5(2,3)4;;;;;;;;;;;/h;;(H2,1,2,3,4);;;;;;;;;;;/q;;;;;;;4*-1;3*+2/p-2
InChI Key
AUNAPVYQLLNFOI-UHFFFAOYSA-L

Overview

Dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate (CAS 12656-85-8) is a complex inorganic compound containing chromium, molybdenum, and lead oxides with significant industrial applications. This multi-metal oxide compound represents a sophisticated chemical structure combining chromium(VI), molybdenum(VI), and lead(II) components in a sulfate matrix. With the molecular formula CrMoO12Pb3S and a molecular weight of 990 g/mol, this substance exhibits unique properties derived from the synergistic effects of its constituent metal oxides. The compound is classified under EC number 235-759-9 and belongs to a family of complex metal oxide systems that includes related substances such as dioxido(dioxo)chromium;bis(lead(2+));sulfate, which shares similar chromium and lead components but differs in its molybdenum content. The safety profile of this compound requires careful attention due to its classification as Carcinogenic Category 1B, Reproductive Toxicant Category 1A, and Specific Target Organ Toxicity Category 2. The presence of lead and hexavalent chromium contributes to its significant health hazards, necessitating strict handling protocols and appropriate personal protective equipment. Environmental considerations are equally important, as the substance carries Aquatic Acute 1 and Aquatic Chronic 1 classifications, indicating severe toxicity to aquatic organisms. Industrial applications typically involve specialized coating formulations, corrosion-resistant treatments, and high-performance ceramic systems where the combined properties of chromium, molybdenum, and lead oxides provide enhanced durability and chemical resistance. The compound finds particular utility in aerospace applications and specialized metallurgical processes. OYSI maintains availability of this technical-grade compound for qualified industrial customers requiring specialized metal oxide systems.

Safety & Classification

Danger
Classification:

Carc. 1B; Repr. 1A; STOT RE 2; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H350

May cause cancer.

H373

May cause damage to organs through prolonged or repeated exposure.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Transport (ADR)

UN Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping NameBleichromatmolybdatsulfatrot
Marine PollutantNo

Frequently Asked Questions

What is dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate?

Dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate is a complex inorganic compound with CAS number 12656-85-8 and molecular formula CrMoO12Pb3S. This substance contains chromium, molybdenum, lead, and sulfate components with a molecular weight of 990 g/mol. It is classified as a dangerous substance due to its carcinogenic properties (Category 1B), reproductive toxicity (Category 1A), and environmental hazards. The compound requires careful handling and is subject to strict regulatory controls.

What are the physicochemical properties of dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate?

The compound has a molecular weight of 990 g/mol and contains multiple metal oxides and sulfate groups. As a complex inorganic substance containing chromium, molybdenum, and lead compounds, it likely exists as a solid at room temperature. The specific physical properties such as color, odor, and solubility depend on the exact crystalline structure and preparation method. Due to its complex composition, detailed physicochemical data should be obtained from the safety data sheet for specific applications.

What is dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate used for?

This compound is typically used in specialized industrial applications requiring the unique properties of chromium, molybdenum, and lead combinations. Potential applications include specialized catalysts, pigments, or materials in metallurgical processes. Due to its hazardous classification and lead content, its use is restricted to professional and industrial settings with appropriate safety controls. The specific applications depend on the particular formulation and should comply with relevant regulatory restrictions on lead-containing substances.

How to handle dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate safely?

This substance requires maximum safety precautions due to its carcinogenic and reproductive toxicity properties. Essential protective equipment includes respiratory protection, chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid dust formation and prevent skin contact or inhalation. Only trained personnel should handle this material, and all local safety protocols must be followed. Regular health monitoring may be required for workers exposed to this substance.

How to store dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate correctly?

The compound must be stored in a secure, well-ventilated area away from incompatible materials and ignition sources. Use original containers with proper labeling including GHS08 and GHS09 pictograms and 'Danger' signal word. Storage areas should be restricted to authorized personnel only due to the carcinogenic and reproductive toxicity hazards. Maintain dry conditions and avoid extreme temperatures. Implement appropriate spill containment measures and ensure storage complies with local regulations for hazardous substances containing heavy metals.

What to do in case of contact with dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate?

Immediate action is critical due to the substance's toxicity. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. If inhaled, move person to fresh air immediately and seek medical attention. For eye contact, flush with clean water for at least 15 minutes. Do not induce vomiting if ingested. Seek immediate medical attention in all cases of exposure, informing medical personnel of the substance's carcinogenic and reproductive toxic properties.

How to dispose of dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate appropriately?

This hazardous substance requires disposal through licensed hazardous waste facilities due to its heavy metal content and toxic properties. Disposal must comply with local and European waste regulations including the Waste Framework Directive. The substance cannot be disposed of in regular waste streams or discharged to water systems due to its aquatic toxicity classification. Contact certified hazardous waste disposal companies for proper treatment. Maintain detailed waste disposal records and ensure transportation complies with ADR regulations for hazardous materials.

How to transport dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate?

The substance is classified under ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transportation purposes. Packages must bear appropriate hazard labels and documentation including proper shipping names and emergency contact information. Use approved packaging materials and ensure vehicles are properly placarded. Drivers must hold valid ADR certification for Class 9 materials. Transport should follow the shortest practical route and comply with tunnel restrictions and parking regulations for hazardous materials.

Is dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate subject to specific regulations?

This substance is subject to extensive European chemical regulations including REACH registration requirements and CLP classification obligations. While not currently listed as an SVHC, its Carc. 1B and Repr. 1A classifications trigger strict handling and exposure controls. The lead content subjects it to additional restrictions under various EU directives. Users must comply with occupational exposure limits, conduct risk assessments, and implement appropriate control measures. Import, use, and distribution require compliance with national chemical safety regulations.

Where to buy dioxido(dioxo)chromium;dioxido(dioxo)molybdenum;tris(lead(2+));sulfate in Europe?

OYSI serves as a reliable European distributor for this specialized chemical compound, ensuring compliance with all relevant safety and regulatory requirements. As a professional chemical distributor, OYSI provides proper documentation, safety data sheets, and regulatory compliance support for industrial customers. Due to the substance's hazardous nature, purchases are restricted to qualified industrial users with appropriate handling facilities and safety protocols. Contact OYSI directly for availability, technical specifications, and regulatory compliance assistance for your specific application requirements.

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Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.