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Chlorides and other halides

Lead hexafluorosilicate

Also known as Lead silicofluoride, Lead fluorosilicate, lead fluosilicate

CAS 25808-74-6Formula F6PbSiMolar mass 349.27 g/molEC 247-278-1
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 1 supplier listed
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Lead hexafluorosilicate chemical structure, F6PbSi, CAS 25808-74-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25808-74-6
Formula
F6PbSi
Molar mass
349.27 g/mol
EC number
247-278-1
HS code
282690
Category
Chlorides and other halides

What is Lead hexafluorosilicate?

Plain description, key identifiers and synonyms

Lead hexafluorosilicate is a silicon coordination entity. It contains a hexafluorosilicate(2-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hexafluorosilicon(2-), lead(2+)
CAS number
25808-74-6 CAS number cross-checked
EC number
247-278-1
Molecular formula
F6PbSi
UNII
64B4BF566W
InChIKey
AIEQFQFGMBAKSG-UHFFFAOYSA-N
InChI
InChI=1S/F6Si.Pb/c1-7(2,3,4,5)6;/q-2;+2
SMILES (canonical and isomeric)
F[Si-2](F)(F)(F)(F)F.[Pb+2]

Synonyms

  • Lead silicofluoride
  • Lead fluorosilicate
  • lead fluosilicate
  • Lead silicon fluoride
  • Lead(II) fluorosilicate
  • Lead(2+) hexafluorosilicate(2-)
  • [PbF6Si]
  • Pb[SiF6]
  • lead(2+) hexafluorosilicate
  • Hexafluorosilicate(2-) lead(2+) (1:1)
  • lead(II) hexafluoridosilicate(IV)
  • lead(2+) hexafluoridosilicate(2-)
  • Lead hexafluorosilicate (pbsif6)
  • (PbF6Si)
  • Pb(SiF6)
  • Lead fluosilicate (PbSiF6) (6CI)
  • Silicate(2-), hexafluoro-, lead(2+) (8CI)
  • Lead fluosilicate (PbSiF6)
  • Lead silicon fluoride (PbSiF6)
  • Silicate(2-), hexafluoro-, lead(2+)
  • Silicate(2-), hexafluoro-, lead(II) salt, dihydrate
  • hexafluorosilicon(2-), lead(2+)
  • Bleihexafluorsilikat
  • PbSiF6.XH2O, Silicat hexafluoro lead hydrate

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
349.27 g/molcalc.
Exact mass
349.944 Dacalc.
LogP (octanol/water)
1.76calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
  • H360DfMay damage the unborn child. Suspected of damaging fertility.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (17)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Lead hexafluorosilicate suppliers

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Where suppliers are based

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Lead hexafluorosilicate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 009-014-00-1

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Lead hexafluorosilicate is traded under.

HS 2826.90Indicative HS code

Fluorides, fluorosilicates, fluoroaluminates and other complex fluorine salts, other

World exports in 2024
$465M
−20.9% vs 2023, imports $484M
2019 to 2024
Top exporters
  1. China52.6%
  2. Germany16.1%
  3. South Korea11.1%
Top importers
  1. Japan33.0%
  2. United States18.8%
  3. South Korea8.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Lead hexafluorosilicate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Lead hexafluorosilicate, based on the data on this page

What is Lead hexafluorosilicate?

Lead hexafluorosilicate is a silicon coordination entity. It contains a hexafluorosilicate(2-).

What is the CAS number of Lead hexafluorosilicate?

The CAS registry number of Lead hexafluorosilicate is 25808-74-6.

What is the molecular formula and weight of Lead hexafluorosilicate?

The molecular formula of Lead hexafluorosilicate is F6PbSi and its molar mass is 349.27 g/mol.

Is Lead hexafluorosilicate hazardous?

Lead hexafluorosilicate carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful if inhaled, may damage the unborn child. suspected of damaging fertility. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Lead hexafluorosilicate?

Lead hexafluorosilicate is usually classified under HS code 282690 (Fluorides, fluorosilicates, fluoroaluminates and other complex fluorine salts, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lead hexafluorosilicate?

CompoundList lists 1 supplier of Lead hexafluorosilicate in India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Lead hexafluorosilicate in India?

1 supplier in India list Lead hexafluorosilicate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Lead hexafluorosilicate?

Suppliers quote Lead hexafluorosilicate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Lead hexafluorosilicate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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