Barium iodide
Synonym(s):Barium diiodide
- CAS NO.：13718-00-8
- Empirical Formula: C42H26N4
- Molecular Weight: 586.68
- MDL number: MFCD00003452
- EINECS: 237-276-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-04 15:19:17
What is Barium iodide?
Chemical properties
Colorless crystals, decomposes and reddens on exposure to air.Soluble in water; slightly soluble in alcohol.
Physical properties
Barium iodide occurs in two forms, one anhydrous and the other as a dihydrate. Both are white solids. This salt is stable, but air and light sensitive. It is also hygroscopic and moisture sensitive. Barium iodide is incompatible with strong oxidizing agents.
The Uses of Barium iodide
Preparation of other iodides.
Preparation
Barium
iodide is made by the neutralization of barium
carbonate with HI in water:
BaCO3＋2HI (aq)→BaI2 (aq)
It is also made by the reaction of BaH2 with ammonium
iodide in pyridine:
BaH2＋2NH4I (aq)→BaI2 (aq)＋ 2NH3 (gas)＋H2 (gas)
The product crystallizes as the hydrate BaI2·2H2O. If
this heated, dehydration to anhydrous BaI2 occurs. The
dihydrate dehydrates at 539°C to form BaI2.
Properties of Barium iodide
| CAS DataBase Reference | 13718-00-8 |
Safety information for Barium iodide
Computed Descriptors for Barium iodide
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