Hexafluorosilicon(2-);lead(2+)

F6PbSi

hexafluorosilicon(2-);lead(2+)

CAS25808-74-6
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
25808-74-6
EC Number
247-278-1
UN Number
2856
Index Number
009-014-00-1
PubChem CID
11966241

Physical-chemical properties

Molecular Formula
F6PbSi
Molar Mass
349.00 g/mol
IUPAC Name
hexafluorosilicon(2-);lead(2+)

Chemical Identifiers

InChI
InChI=1S/F6Si.Pb/c1-7(2,3,4,5)6;/q-2;+2
InChI Key
AIEQFQFGMBAKSG-UHFFFAOYSA-N

Overview

Hexafluorosilicon(2-);lead(2+) (CAS 25808-74-6) is an inorganic lead-silicon fluoride compound with high toxicity and environmental hazard properties. This specialized chemical compound, also known by its EC number 247-278-1, represents a complex fluorosilicate structure containing lead(II) cations and hexafluorosilicate anions. With a molecular formula of F6PbSi and molecular weight of 349 g/mol, this compound exhibits the characteristic properties of both lead-based materials and fluorosilicate chemistry. The presence of lead imparts significant density and specific chemical reactivity, while the hexafluorosilicate component contributes to its unique solubility and processing characteristics. The compound presents serious health and environmental concerns, classified under multiple hazard categories including reproductive toxicity (Repr. 1A), acute toxicity, and specific target organ toxicity. Its GHS08, GHS07, and GHS09 pictograms indicate health hazards, acute toxicity, and environmental dangers respectively. The ADR classification 6.1 designates it as a toxic substance requiring specialized handling and transportation protocols. These safety characteristics place it in a similar risk category to other heavy metal compounds such as tetrakis(lead(2+));tris(oxygen(2-));sulfate, which also requires stringent safety measures due to lead content. Primary industrial applications include specialized glass manufacturing processes, certain ceramic formulations, and as an intermediate in specific chemical synthesis reactions where the unique combination of lead and fluorosilicate properties is required. The compound's specific chemical structure makes it valuable in applications requiring precise control of both lead ion release and fluoride chemistry. OYSI maintains availability of hexafluorosilicon(2-);lead(2+) for qualified industrial customers with appropriate handling capabilities and regulatory compliance.

Safety & Classification

Danger
Classification:

Repr. 1A; Acute Tox. 4 *; Acute Tox. 4 *; STOT RE 2 *; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H332

Harmful if inhaled.

H302

Harmful if swallowed.

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

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number2856
ADR Class6.1
Packing GroupIII
Tunnel CodeE
Proper Shipping NameBleihexafluorsilikat
Marine PollutantNo

Frequently Asked Questions

What is hexafluorosilicon(2-);lead(2+)?

Hexafluorosilicon(2-);lead(2+) is an inorganic chemical compound with the molecular formula F6PbSi and CAS number 25808-74-6. This substance has a molecular weight of 349 g/mol and contains both lead and silicon components with fluorine atoms. It is classified as a highly hazardous material due to its reproductive toxicity (Repr. 1A) and acute toxicity properties. The compound requires careful handling and is subject to strict regulatory controls due to its dangerous nature.

What are the physicochemical properties of hexafluorosilicon(2-);lead(2+)?

Hexafluorosilicon(2-);lead(2+) is an inorganic compound with a molecular mass of 349 g/mol and the formula F6PbSi. As a lead-containing fluorosilicate, it typically appears as a crystalline solid at room temperature. The presence of fluorine atoms and heavy metal components influences its chemical stability and reactivity. Specific physical properties such as melting point, solubility, and appearance may vary depending on the exact crystalline form and purity of the material.

What is hexafluorosilicon(2-);lead(2+) used for?

Hexafluorosilicon(2-);lead(2+) is primarily used in specialized industrial applications where its unique chemical properties are required. Due to its hazardous classification and lead content, its applications are limited to professional industrial processes with appropriate safety controls. The compound may be used in certain chemical synthesis processes, specialized manufacturing, or as an intermediate in the production of other chemicals. All applications must comply with strict safety and environmental regulations due to its toxic properties.

How to handle hexafluorosilicon(2-);lead(2+) safely?

Hexafluorosilicon(2-);lead(2+) requires extreme safety precautions due to its Repr. 1A and Acute Tox. 4 classifications. Always wear appropriate personal protective equipment including chemical-resistant gloves, protective clothing, and respiratory protection. Work in well-ventilated areas or under fume extraction systems. Avoid skin and eye contact, and prevent inhalation or ingestion. Implement strict hygiene measures including thorough handwashing and decontamination procedures. Only trained personnel should handle this substance following established safety protocols.

How to store hexafluorosilicon(2-);lead(2+) correctly?

Hexafluorosilicon(2-);lead(2+) must be stored in a secure, well-ventilated area away from incompatible materials. Keep containers tightly sealed and protect from moisture and extreme temperatures. Store in designated hazardous material storage areas with appropriate containment measures to prevent environmental release. Ensure storage areas have adequate ventilation and emergency response equipment. Maintain proper inventory records and limit access to authorized personnel only. Follow local regulations for hazardous substance storage and implement appropriate fire prevention measures.

What to do in case of contact with hexafluorosilicon(2-);lead(2+)?

Immediate action is required in case of contact with hexafluorosilicon(2-);lead(2+). For skin contact, remove contaminated clothing and rinse affected area thoroughly with water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and rinse mouth with water. Seek immediate medical attention in all cases of exposure and provide the safety data sheet to medical personnel.

How to dispose of hexafluorosilicon(2-);lead(2+) properly?

Hexafluorosilicon(2-);lead(2+) must be disposed of as hazardous waste through licensed waste management facilities. Never dispose of this substance in regular waste streams or pour down drains due to its toxic and environmentally hazardous properties. Contact authorized hazardous waste disposal companies that can handle lead-containing compounds. Follow local and national regulations for hazardous waste disposal including proper packaging, labeling, and documentation requirements. Ensure complete decontamination of empty containers before disposal.

How to transport hexafluorosilicon(2-);lead(2+)?

Hexafluorosilicon(2-);lead(2+) is classified under ADR as Class 6.1 (toxic substances), Packing Group III for transportation purposes. Transport must comply with dangerous goods regulations including proper packaging, labeling, and documentation. Use UN-approved packaging materials and display appropriate hazard labels and placards. Drivers must hold valid dangerous goods transportation certificates. Ensure proper segregation from incompatible materials during transport and have emergency response information readily available. Follow all applicable national and international transport regulations.

Is hexafluorosilicon(2-);lead(2+) subject to specific regulations?

Hexafluorosilicon(2-);lead(2+) is subject to extensive regulatory controls under multiple frameworks. It falls under REACH regulation requiring registration and safety data provision. The substance is classified under CLP regulation with specific hazard pictograms (GHS07, GHS08, GHS09) and signal word 'Danger'. Due to its lead content and reproductive toxicity, it may be subject to additional restrictions on use, supply, and handling. Companies must comply with occupational exposure limits and environmental protection requirements.

Where to buy hexafluorosilicon(2-);lead(2+) in Europe?

Hexafluorosilicon(2-);lead(2+) is available through OYSI, a specialized European distributor of technical chemicals. As a professional chemical supplier, OYSI can provide this regulated substance to qualified industrial customers with appropriate handling capabilities. Due to the hazardous nature and regulatory restrictions of this compound, purchases are typically limited to licensed businesses with demonstrated technical competence and proper safety infrastructure. Contact OYSI directly to discuss availability, specifications, and regulatory compliance requirements for your specific application.

Data Sources

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