Neodymium Chloride, Anhydrous
Neodymium trichloride
CAS: 10024-93-8
Molecular Formula: Cl3Nd
Neodymium Chloride, Anhydrous - Names and Identifiers
| Name | Neodymium trichloride |
| Synonyms | NdCl3 NEODYMIUM CHLORIDE Neodymium trichloride NEODYMIUM(III) CHLORIDE Neodymium chloride (NdCl3) Neodymium Chloride, Anhydrous |
| CAS | 10024-93-8 |
| EINECS | 233-031-5 |
| InChI | InChI=1/3ClH.Nd/h3*1H;/q;;;+3/p-3 |
Neodymium Chloride, Anhydrous - Physico-chemical Properties
| Molecular Formula | Cl3Nd |
| Molar Mass | 250.6 |
| Density | 4.134g/mLat 25°C(lit.) |
| Melting Point | 784°C(lit.) |
| Boling Point | 1600°C (estimate) |
| Water Solubility | Soluble in water and ethanol. |
| Solubility | It is soluble in hydrofluoric acid to produce neodymium fluoride. |
| Vapor Presure | 33900mmHg at 25°C |
| Appearance | Crystalline powder |
| Specific Gravity | 4.134 |
| Color | White to off-white |
| Merck | 14,6450 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| MDL | MFCD00149801 |
| Use | Used as a chemical reagent |
Neodymium Chloride, Anhydrous - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 2 |
| RTECS | QO8750000 |
| TSCA | Yes |
| HS Code | 28273985 |
Neodymium Chloride, Anhydrous - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | neodymium chloride rose purple columnar crystal, red orthorhombic crystal, deliquescent. The relative density is 2.28(16.5/4 ℃) and the melting point is 124 ℃. Add water to neodymium chloride in the air to release hydrogen chloride to form basic salt; but if you heat neodymium hydrate to 160°C in the hydrogen chloride airflow, the crystal water will be lost and become anhydrous salt. Both are soluble in water and ethanol, but insoluble in ether and chloroform. At 500~600 ℃, neodymium oxide reacts with dry hydrogen chloride gas to generate anhydrous neodymium chloride; neodymium oxide is dissolved in hydrochloric acid, and this solution is evaporated and crystallized in a sulfuric acid dryer to produce neodymium chloride hexahydrate. It can also be used for separation of rare earth elements. |
| preparation | a preparation method of anhydrous neodymium chloride, comprising the following steps:(1) adding 1 part of neodymium carbonate and 1.5 parts of dilute hydrochloric acid into a reactor to form a mixed solution;(2) acid liquid adjusting step (1) the pH value of the mixed solution to 1.5, stirring for 1 hour to obtain a mixed liquid containing precipitation;(3) filter and remove impurities. filter the mixed liquid with precipitation in step (2) through a 1000 mesh screen to obtain filtrate;(4) microfiltration: add the filtrate in step (3) to a microporous filter to obtain filtrate;(5) evaporate and concentrate. heat the filtrate in step (4) to 150 ℃ and keep the temperature for 5 hours to obtain concentrated liquid;(6) Cooling crystallization The concentrated solution of step (5) is cooled to 20°C, and the crystallization is filtered for 12 hours to obtain neodymium chloride crystals;(7) Centrifugal dehydration The neodymium chloride crystals obtained in step (6) are added to the centrifugal dehydrator to obtain an intermediate product after centrifugal dehydration for 20min;(8) Dissolving pure water The intermediate product obtained in step (7) is added to the reactor containing pure water to form a solution, the mass ratio of intermediate product to pure water is 1:20;(11) Centrifugal dehydration The neodymium chloride crystal obtained in step (10) is added to the centrifugal dehydrator for 120min and then the neodymium chloride crystal is obtained;(12) Stepped constant temperature dehydration 1) The neodymium chloride crystal obtained in step (11) is put into an oven, raised to 80 ℃, and the temperature is kept for 2 hours to remove three crystal water to generate NdCl3 · H2O;2) Raise the temperature to 110 ℃, after holding for 2 hours, remove a crystal water to generate NdCl3 · H2O;3) Raise the temperature to 150 ℃, keep the temperature for 2 hours, and then remove a crystal water to generate NdCl3 · H2O;4) Raise the temperature to 200 ℃ and keep the temperature for 4 hours to obtain anhydrous neodymium chloride. |
| Use | Used as a chemical reagent Scientific research reagent, biochemical research Mainly used as a raw material for the production of other neodymium compounds, and can also be used to prepare metal neodymium. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | intravenous-rat LD50: 3.5 mg/kg; Oral-mouse LD50: 3692 mg/kg |
| stimulation data | skin-rabbit 500 mg/24 hours mild; Eye-rabbit 50 mg positive |
| flammability hazard characteristics | non-combustible; fire decomposition discharges toxic chloride and neodymium oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | water, carbon dioxide, dry powder, foam |
Last Update：2024-04-10 22:29:15
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Product Name: Neodymium Chloride Anhydrous Request for quotationCAS: 10024-93-8
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Spot supply
Product Name: Neodymium(III) chloride Visit Supplier Webpage Request for quotationCAS: 10024-93-8
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