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CAS No 13876-85-2 , Mercurate(2-),tetraiodo-, copper(1+) (1:2), (T-4)-

  • Name: Mercurate(2-),tetraiodo-, copper(1+) (1:2), (T-4)-
  • Synonyms: Dicopper mercury tetraiodide; Dicoppertetraiodomercurate(2-); Dicopper(1+) tetraiodomercurate(2-);Mercurate(2-),tetraiodo-, copper(1+) (1:2), (T-4)-;Copperiodomercurate(II) (Cu2HgI4) (6CI); Cuproustetraiodomercurate; Copper tetraiodomercurate(II) (7CI); Mercurate(2-), tetraiodo-,dicopper(1+), (T-4)- (9CI);Mercurate(2-), tetraiodo-, dicopper(1+) (8CI); Copper mercury iodide (Cu2HgI4);
  • CAS Registry Number:
  • Transport: 2025
  • Melting Point: 255 °C (dec.)(lit.)
  • Density: 6.1 g/mL at 25 °C(lit.)
  • Safety Statements:
    Hazard Codes T+,N
    Risk Statements 26/27/28-33-50/53
    Safety Statements 13-28-45-60-61
    RIDADR 2025
    HazardClass 6.1(b)
    PackingGroup III
  • Hazard Symbols: T+: Very toxic;N: Dangerous for the environment;
  • EINECS: 237-634-4
  • Molecular Weight: 835.3
  • InChI: InChI=1/2Cu.Hg.4HI/h;;;4*1H/q2*+1;+2;;;;/p-4/r2Cu.HgI4/c;;2-1(3,4)5/q2*+1;-2
  • Risk Statements: 26/27/28-33-50/53
  • Molecular Formula: Cu. 1/2 Hg I4
  • Molecular Structure:CAS No:13876-85-2 Mercurate(2-),tetraiodo-, copper(1+) (1:2), (T-4)-

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13876-85-2 C-1262 COPPER MERCURY IODIDE

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13876-85-2 Cuprous Mercuric Iodide

  • Cuprous Mercuric IodideCopper (I) Mercuric Iodide, 99.99 %
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13876-85-2 CUPROUS TETRAIODOMECURATE)

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References of Mercurate(2-),tetraiodo-, copper(1+) (1:2), (T-4)-
Title: Cuprous Mercuric Iodide
CAS Registry Number: 13876-85-2
CAS Name: (T-4)-Dicopper(1+) tetraiodomercurate(2-)
Synonyms: copper(I) iodomercurate(II); cuprous tetraiodomercurate(II); mercuric cuprous iodide
Molecular Formula: Cu2HgI4
Molecular Weight: 835.30
Percent Composition: Cu 15.22%, Hg 24.01%, I 60.77%
Literature References: Superionic, thermochromic material; exists in two temperature dependent forms; a structurally ordered low temperature b-form and the more random high temperature a-form. Prepn and structural studies: J. A. A. Ketelaar, Z. Kristallogr. 80, 190 (1931). Prepn and phase diagram: M. Friesel et al., Physica Scripta 35, 34 (1987); J. N?lting et al., Ber. Bunsen-Ges. Phys. Chem. 93, 1335 (1989). Optical properties: H.-R. C. Jaw et al., Inorg. Chem. 26, 1387 (1987). Crystal structure and phase transition studies: L. Eriksson et al., Z. Kristallogr. 197, 235 (1991). High temperature powder neutron diffraction studies: S. Hull, D. A. Keen, J. Phys. Condens. Matter 13, 5597 (2001). Use in holography: J. M. Yang, D. W. Sweeney, Appl. Optics 18, 2398 (1979); in titrimetric applications: O. E. S. Godinho et al., Anal. Lett. 17, 135 (1984).
Properties: Deep-red, thermochromic cryst powder. Changes from scarlet to chocolate-brown at 67°. Poison! Practically insol in water, alcohol.
Use: For detecting overheating of machine bearings, etc. In pigments to prepare paints. Recording material for infrared holograms. Analytical reagent in titrimetric determn.