- Holmium(III) chloride
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Cas Database |
| Name |
Holmium(III) chloride |
EINECS | 233-387-1 |
| CAS No. | 10138-62-2 | Density | 3.7 g/cm3 |
| PSA | 0.00000 | LogP | 2.06850 |
| Solubility | Soluble in water | Melting Point |
718 °C(lit.) |
| Formula | Cl3Ho | Boiling Point | 1500 °C (decomp) |
| Molecular Weight | 271.289 | Flash Point | N/A |
| Transport Information | N/A | Appearance | Off-white powder |
| Safety | 26-37/39 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Holmium trichloride;NSC 177680;Holmium chloride (HoCl3);Trichloroholmium;Holmium(III) chloride; |
Article Data | 50 |
Holmium(III) chloride Consensus Reports
Reported in EPA TSCA Inventory.
Holmium(III) chloride Specification
The Holmium(III) chloride with CAS registry number of 10138-62-2 is also known as Holmium(III) chloride. The IUPAC name is Trichloroholmium. It belongs to product categories of Inorganics; Catalysis and Inorganic Chemistry; Chemical Synthesis; Crystal Grade Inorganics; Holmium Salts; HolmiumMetal and Ceramic Science; Salts. Its EINECS registry number is 233-387-1. In addition, the formula is Cl3Ho and the molecular weight is 271.29. This chemical is a off-white powder that soluble in water and may cause inflammation to the skin or other mucous membranes. Besides, it exhibits the same color-changing behavior seen in holmium oxide.
Physical properties about Holmium(III) chloride are: (1)Enthalpy of Vaporization: 16.15 kJ/mol; (2)Vapour Pressure: 33900 mmHg at 25 °C; (3)Exact Mass: 269.836877; (4)MonoIsotopic Mass: 269.836877; (5)Heavy Atom Count: 4; (6)Complexity: 8; (7)Covalently-Bonded Unit Count: 1.
Preparation of Holmium(III) chloride: it is prepared by heating a mixture of holmium(III) oxide and ammonium chloride at 200-250 °C. Equation is as follows:
Ho2O3 + 6 NH4Cl → 2 HoCl3 + 6 NH3 + 2 H2O
When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. During using it, wear suitable gloves and eye/face protection. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
1. Canonical SMILES: Cl[Ho](Cl)Cl
2. InChI: InChI=1S/3ClH.Ho/h3*1H;/q;;;+3/p-3
3. InChIKey: PYOOBRULIYNHJR-UHFFFAOYSA-K
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 312mg/kg (312mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: FOOD INTAKE (ANIMAL) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Archives of Environmental Health. Vol. 5, Pg. 437, 1962. |
| mouse | LD50 | oral | 5165mg/kg (5165mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. |
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