Dioxido(dioxo)chromium;lead(2+)

CrO4Pb

dioxido(dioxo)chromium;lead(2+)

CAS7758-97-6
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
7758-97-6
EC Number
231-846-0
UN Number
3077
Index Number
082-004-00-2
PubChem CID
24460

Physical-chemical properties

Molecular Formula
CrO4Pb
Molar Mass
323.00 g/mol
IUPAC Name
dioxido(dioxo)chromium;lead(2+)

Chemical Identifiers

InChI
InChI=1S/Cr.4O.Pb/q;;;2*-1;+2
InChI Key
MOUPNEIJQCETIW-UHFFFAOYSA-N

Overview

Dioxido(dioxo)chromium;lead(2+) (CAS 7758-97-6) is an inorganic chromate compound with significant toxicological properties and specialized industrial applications. This lead chromate compound, with the molecular formula CrO4Pb and molar mass of 323 g/mol, represents a critical industrial chemical requiring expert handling and comprehensive safety protocols. Also known by its EC number 231-846-0, this substance belongs to the chromium(VI) family of compounds, which are characterized by their distinctive chemical reactivity and notable hazard profile. The compound's classification under multiple danger categories, including carcinogenicity (Carc. 1B), reproductive toxicity (Repr. 1A), and aquatic toxicity (Aquatic Acute 1; Aquatic Chronic 1), necessitates stringent safety measures throughout its supply chain and application processes. The substance exhibits properties typical of hexavalent chromium compounds, with enhanced complexity due to the presence of lead(2+) ions. Its ADR Class 9 classification reflects its status as a miscellaneous dangerous substance requiring specialized transport conditions. The GHS08 and GHS09 pictograms emphasize both health hazards and environmental risks, making proper risk assessment essential for industrial users. Primary industrial applications include specialized pigment formulations, certain electroplating processes, and as a component in specific corrosion-resistant coatings. The compound shares chemical characteristics with related substances such as dioxido(dioxo)chromium;bis(lead(2+));sulfate, which finds use in similar specialized applications. However, increasing regulatory scrutiny of chromium(VI) compounds has driven innovation toward safer alternatives in many traditional applications. OYSI maintains controlled availability of dioxido(dioxo)chromium;lead(2+) for qualified industrial customers, ensuring full regulatory compliance and comprehensive technical support throughout the procurement process.

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 NameBleichromat
Marine PollutantNo

Frequently Asked Questions

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

Dioxido(dioxo)chromium;lead(2+) is an inorganic compound with the chemical formula CrO4Pb, also known as lead chromate. This substance has a molecular weight of 323 g/mol and CAS number 7758-97-6. It is classified as a highly hazardous chemical with carcinogenic and reproductive toxicity properties, requiring strict handling protocols and safety measures in industrial applications.

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

Dioxido(dioxo)chromium;lead(2+) is a solid crystalline compound at room temperature, typically appearing as a yellow to orange powder. The substance has limited solubility in water and most organic solvents. Its molecular formula CrO4Pb indicates it contains both chromium and lead ions, contributing to its high density and specific chemical reactivity patterns characteristic of heavy metal compounds.

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

Dioxido(dioxo)chromium;lead(2+) is primarily used as a pigment in specialized industrial applications, particularly for producing yellow and orange colorants. It finds application in ceramics, paints, and coating formulations where its chemical stability and color properties are valued. However, due to its hazardous classification including carcinogenicity and reproductive toxicity, its use is heavily restricted and regulated in many applications.

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

Dioxido(dioxo)chromium;lead(2+) requires strict safety protocols including full respiratory protection, chemical-resistant gloves, and protective clothing. Work must be conducted in well-ventilated areas or under fume extraction systems to prevent inhalation. Due to its Carc. 1B and Repr. 1A classifications, minimize exposure time and ensure proper training for all personnel handling this substance. Regular health monitoring may be required.

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

Dioxido(dioxo)chromium;lead(2+) must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Storage areas should be secure and restricted to authorized personnel only. Keep containers properly labeled with hazard information and ensure compatibility with container materials. Implement appropriate containment measures to prevent environmental release and maintain inventory records for regulatory compliance.

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

Dioxido(dioxo)chromium;lead(2+) exposure requires immediate action: for skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, flush immediately with clean water for at least 15 minutes. If inhaled, move to fresh air immediately and seek medical attention. For ingestion, do not induce vomiting and seek immediate medical care. Always consult safety data sheets for complete emergency procedures.

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

Dioxido(dioxo)chromium;lead(2+) requires disposal as hazardous waste through licensed waste management facilities due to its toxic heavy metal content. Never dispose of this substance in regular waste streams or pour down drains. Collect waste in appropriate containers, properly labeled with contents and hazard information. Consult local environmental regulations and waste disposal authorities for specific requirements and approved disposal methods.

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

Dioxido(dioxo)chromium;lead(2+) is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transport purposes. Packages must be properly labeled with UN numbers and hazard labels, and transported according to dangerous goods regulations. Use appropriate packaging materials and ensure proper documentation accompanies shipments. Transport vehicles must comply with ADR requirements for Class 9 substances.

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

Dioxido(dioxo)chromium;lead(2+) is subject to extensive regulation under REACH and CLP regulations in Europe due to its hazardous properties. The substance requires safety data sheets, exposure scenario documentation, and may have use restrictions. Its carcinogenic and reproductive toxicity classifications trigger specific workplace exposure limits and monitoring requirements. Companies must comply with registration, evaluation, and authorization requirements where applicable.

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

Dioxido(dioxo)chromium;lead(2+) is available through OYSI, a specialized European distributor of technical chemicals. As a regulated hazardous substance, purchase requires proper documentation, safety protocols, and compliance with applicable regulations. OYSI provides technical support and regulatory guidance to ensure proper handling and compliance. Contact OYSI directly for availability, specifications, and regulatory requirements for your specific application.

Data Sources

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