CAS 7790-44-5 Antimony(III) iodide - Catalysts / Alfa Chemistry

Synonyms

KS-000018TM; DTXSID1064875; Antimony iodide; HSDB 437; KWQLUUQBTAXYCB-UHFFFAOYSA-K; AC1L2NKH; 8762AF; SbI3; Triiodostibine; I14-56697;

IUPAC Name

triiodostibane;

Molecular Weight

502.473g/mol

Molecular Formula

SbI3;I3Sb;

Canonical SMILES

[Sb](I)(I)I;

InChI

InChI=1S/3HI.Sb/h3*1H;/q;;;+3/p-3;

InChI Key

KWQLUUQBTAXYCB-UHFFFAOYSA-K;

Melting Point

171 deg C;

Density

4.92 g/cu cm at 25 deg C;

Solubility

Reacts with water;Decomposes in water with precipitation of oxyiodide;Soluble in ethanol, acetone; insoluble in carbon tetrachloride;Souble in alcohol; acetone; carbon disulfide, hydrochloric acid, solution of potassium iodide; insoluble in carbon tetrachloride;

Color Form

Ruby-red, trigonal crystals (yellowish-green modifications have been observed);Red rhombic crystals;Red-to-yellow crystals;

Complexity

Covalently-Bonded Unit Count

Decomposition

Hazardous decomposition products formed under fire conditions. - Hydrogen iodide, Antimony oxide;Decomposed by water and air to SbOI (antimony oxyiodide).;When heated to decomposition it emits highly toxic Sb fumes and /hydrogen iodide/.;

EC Number

232-205-8

Exact Mass

501.617g/mol

Heavy Atom Count

Monoisotopic Mass

501.617g/mol

Other Experimental

Volatile at high temperatures;Critical temperature: 1102 deg C;Density: 4.921 at 17 deg C/4 deg C;Density: 4.768;Dipole moment: 1.58;Heat capacity: 96 J/mol.k (solid); 144 J/mol.K (liquid); Entropy: 216 J/mol.K at 298 deg C;Antimony triiodide's red rhombohedral crystals are intermediate in structure between a molecular and an ionic crystal. In antimony triiodide vapor there is no indication of association.;Tendency to sublime becomes noticeable at 100 deg C; dipole moment: 1.58; decomposed by water and air to SbOI (antimony oxyiodide).;Standard Heat of Formation = -100 kJ/mol (crystal);Enthalpy of fusion: 22.8 kJ/mol at mp;

Stability

Stable under recommended storage conditions.;

Topological Polar Surface Area

0A^2

Vapor Pressure

1 mm Hg at163.6 deg C;