Product Name
Antimony(III) iodide
Category
Electrolytes; Semiconductor Blocks
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;
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;
Covalently-Bonded Unit Count
1
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;