221090

Mercury(II) iodide

ACS reagent, ≥99.0%

• Synonym(s): Mercuric iodide red
• Linear Formula: HgI₂
• CAS Number: 7774-29-0
• Molecular Weight: 454.40
• EC Number: 231-873-8
• MDL number: MFCD00011044
• UNSPSC Code: 12352302
• PubChem Substance ID: 329752248
• NACRES: NA.21

Properties

• grade: ACS reagent
• Assay: ≥99.0%
• form: powder
• reaction suitability: reagent type: catalyst; core: mercury
• impurities: ≤0.05% soluble Hg salts
• bp: 354 °C (lit.)
• mp: 259 °C (lit.)
• solubility: potassium iodide solution: passes test
• cation traces: Hg⁺: ≤0.1%
• SMILES string: I[Hg]I
• InChI: 1S/Hg.2HI/h;2*1H/q+2;;/p-2
• InChI key: YFDLHELOZYVNJE-UHFFFAOYSA-L

Description

General description

Red mercuric oxide possesses the ability to detect high energy radiation (X- and γ-rays) and is used in nuclear radiation detectors.

Application

Mercury(II) iodide may be used in the preparation of the following:

• mercury(II) acetate
• di­iodo­bis(1-methyl-1,3-imidazolium-2-thiol­ato-S)­mercury(II)
• [Hg₂(L)(I)₄] and [(L′)Hg(μ-I)₂HgI₂]_n (L = N, N′-bis(phenyl(pyridin-2-yl)methylene)propane-1,2-diamine, L′ = N-(phenyl(pyridin-2-yl)methylene)propane-1,2-diamine)

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H300 + H310 + H330,H373,H410
• Precautionary Statements: P262 - P264 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310
• Hazard Classifications: Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable