466379

Copper(I) tetraiodomercurate(II)

• Synonym(s): Copper(I) mercury(II) iodide
• Empirical Formula (Hill Notation): Cu₂HgI₄
• CAS Number: 13876-85-2
• Molecular Weight: 835.30
• EC Number: 237-634-4
• MDL number: MFCD00049450
• UNSPSC Code: 12352302
• PubChem Substance ID: 24870344

Properties

• form: powder
• mp: 255 °C (dec.) (lit.)
• density: 6.1 g/mL at 25 °C (lit.)
• SMILES string: [Cu+].[Cu+].I[Hg--](I)(I)I

Description

Physical properties

Undergoes phase change (α→β) with change in color from red to brownish-black at ~70°C

Disclaimer

For U.S. Customers: Contains mercury; Do not place in trash - dispose according to local, state, or federal laws.

Safety Information

• pictograms: GHS06,GHS08,GHS09
• signalword: Danger
• hcodes: H300 + H310 + H330,H373,H410
• pcodes: 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: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges