Lead(II) iodide

Description

Lead(II) iodide · CAS 10101-63-0 · PbI2. UNII OTL90F2GLT. Boiling Point: 872 °C (decomposes); Melting Point: 410 °C; Solubility: Water (g/100 cu cm) 0.076 at 20 °C.

Identification

CAS Registry Number	10101-63-0
PubChem CID	24931
Molecular formula	PbI2
IUPAC name	diiodolead
UNII (FDA)	OTL90F2GLT

Computed Descriptors

Molecular Weight	461
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	461.78560
Monoisotopic Mass	461.78560
Topological Polar Surface Area	0
Heavy Atom Count	3
Formal Charge	0
Complexity	2.8

Physical & Chemical Properties

Boiling Point	872 °C (decomposes)
Melting Point	410 °C
Solubility	Water (g/100 cu cm) 0.076 at 20 °C
Density	6.16 g/cu cm
Density	6.16 @25 °C
Formulations/Preparations	Grades or purity: 98.5+%; NF
Formulations/Preparations	CI 77613

Physical description & handling notes

• Lead iodide appears as a yellow crystalline solid. Insoluble in water and denser than water. Primary hazard is threat to the environment. Immediate steps should be taken to limit spread to the environment. Used in printing and photography, to seed clouds and other uses.
• Bright yellow solid; [Merck Index] Slightly soluble in water(630 mg/L at 20 deg C); [ATSDR ToxProfiles]
• Yellow hexagonal crystals
• Bright yellow powder
• Odorless
• Soluble in potassium iodide and concentrated sodium acetate solutions

GHS Hazard Classification

Reported hazard statements	H302 (95.8%), H332 (95.8%), H360 (97.9%), H373 (100%), H400 (100%), H410 (100%), H351, H370

Documented Uses

• Used in photographic films and emulsions, aerosols for cloud seeding, asbestos brake linings; batteries, mercury-vapor lamps, thermoelectric materials, and lubricants; [HSDB] Used in bronzing, printing, photography and special gold applications; [Merck Index]
• Battery Manufacturing [Category: Industry]
• Photographic Processing [Category: Other]
• Films for recording optical images; photographic emulsions with thiols; in aerosols for cloud seeding; asbestos brake linings; primary thermal batteries with iodine; mercury-vapor arc lamps; thermoelectric materials; lubricating greases; electrosensitive recording papers; and filters for far-infrared astronomy.
• Bronzing, printing, photography, cloud seeding
• Lead iodide is used in the detection of x-rays and gamma rays. (L410)

Synonyms

Lead(II) iodide; LEAD IODIDE; Plumbous iodide; lead (II) iodide; Plumbum jodatum; Blei(II)-iodid; UNII-OTL90F2GLT; HSDB 636; EINECS 233-256-9; OTL90F2GLT; C.I. 77613; Yoduro de plomo; Lead(2+) iodide; RefChem:57890; DTXCID1082801; 233-256-9

Frequently Asked Questions

What are the CAS number and molecular formula of Lead(II) iodide?

CAS 10101-63-0; molecular formula PbI2; molecular weight — g/mol.

What other names is Lead(II) iodide known by?

Lead(II) iodide, LEAD IODIDE, Plumbous iodide, lead (II) iodide, Plumbum jodatum, Blei(II)-iodid.

Is Lead(II) iodide classified as hazardous?

Hazard statements reported: H302, H332, H360, H373, H400.

What are the key physical properties of Lead(II) iodide?

Boiling Point: 872 °C (decomposes); Melting Point: 410 °C; Solubility: Water (g/100 cu cm) 0.076 at 20 °C; Density: 6.16 g/cu cm.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.