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211168

Sigma-Aldrich

Lead(II) iodide

99%

Synonym(s):

Plumbous iodide

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About This Item

Linear Formula:
PbI2
CAS Number:
Molecular Weight:
461.01
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Assay

99%

form

powder

reaction suitability

reagent type: catalyst
core: lead

bp

954 °C (lit.)

mp

402 °C (lit.)

density

6.16 g/mL at 25 °C (lit.)

SMILES string

I[PbH2]I

InChI

1S/2HI.Pb/h2*1H;/q;;+2/p-2

InChI key

RQQRAHKHDFPBMC-UHFFFAOYSA-L

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General description

Lead (II) iodide has nonlinear optical, ferroelectric, and ferroelastic properties.It has a wide semiconducting band gap (Eg=2.3 eV) which enables low noise operation at room temperature and above. It has high X-ray and gamma ray stopping efficiency and has excellent environment stability.

Application

Used as detector material for photocell X-ray and y-ray detection.

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Optical determination of the direct bandgap energy of lead iodide crystals
Silva AF, et al
Applied Physics Letters, 69, 1930-1930 (1996)
Synthesis, crystal structure and optical properties of quasi one dimensional lead (II) iodide
Solid State Sciences, 12, 95-98 (2010)

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