LANTHANUM(+3)CHLORIDE
Lanthanum chloride
CAS: 10099-58-8
Molecular Formula: Cl3La
LANTHANUM(+3)CHLORIDE - Names and Identifiers
| Name | Lanthanum chloride |
| Synonyms | LaCl3 Lanthanum chloride LANTHANUM CHLORIDE LANTHANUM(+3)CHLORIDE LANTHANUM, AA STANDARD LANTHANUM (III) CHLORIDE Lanthanum (III) chloride, anhydrous lanthanum(+3) cation chloride heptahydrate |
| CAS | 10099-58-8 |
| EINECS | 233-237-5 |
| InChI | InChI=1/ClH.La.7H2O/h1H;;7*1H2/q;+3;;;;;;;/p-1 |
LANTHANUM(+3)CHLORIDE - Physico-chemical Properties
| Molecular Formula | Cl3La |
| Molar Mass | 245.26 |
| Density | 3.84g/mLat 25°C(lit.) |
| Melting Point | 860°C(lit.) |
| Boling Point | 1812°C(lit.) |
| Flash Point | 1000°C |
| Water Solubility | Soluble in water. |
| Appearance | White glass powder |
| Specific Gravity | 3.842 |
| Color | White to almost white |
| Merck | 14,5363 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stability |
| Sensitive | Hygroscopic |
| MDL | MFCD00011068 |
| Physical and Chemical Properties | Reddish or gray crystals or lumps. |
| Use | For the preparation of metal Lanthanum and petroleum catalyst raw materials, can also be used for hydrogen storage battery materials |
LANTHANUM(+3)CHLORIDE - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R11 - Highly Flammable R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 - May cause sensitization by skin contact R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN3264 |
| WGK Germany | 2 |
| RTECS | OE4375000 |
| TSCA | Yes |
| HS Code | 28469023 |
| Hazard Class | 8 |
| Packing Group | III |
LANTHANUM(+3)CHLORIDE - Upstream Downstream Industry
| Raw Materials | Rare earth chlorides |
LANTHANUM(+3)CHLORIDE - Reference
| Reference Show more | 1. Liu Gaofeng, Hu Xiaomei, Wang Chunjing, et al. Effects of Lanthanum Chloride on Sperm Quality and Testicular Enzyme Activity in Male Mice [J]. Sichuan Animal, 2012, 31(003):471-473. 2. Liu Gaofeng, Hu Xiaomei, Tang Baoding, et al. Effects of Rare Earth Lanthanum on cAMP and Free Radicals in Testicular of Male Mice [J]. Spectroscopy Laboratory, 2012, 29(3):1680-1683. |
LANTHANUM(+3)CHLORIDE - Reference Information
Open Data Unverified Data
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | 1. lanthanum chloride can be used as an analytical reagent, as a raw material for extracting lanthanum metal and as a petroleum cracking catalyst. 2. Lanthanum chloride also plays a certain role in the field of medicine. For example, studies have shown that the antagonistic effect of lanthanum chloride on endotoxin (LPS) in vivo has certain influence on the search for new effective endotoxin antagonists, providing experimental basis for the prevention and treatment of endotoxemia. The experiment was conducted to observe the effect of different lanthanum chloride treatments on the mortality of mice challenged with LPS 17.5 mg/kg, and the effect of lanthanum chloride on the changes of plasma tumor necrosis factor α(TNFα) and liver TNFα mRNA expression levels, thymocyte apoptosis and liver and lung pathological damage in mice challenged with LPS 12.5 mg/kg, the results showed that the mortality rates of LPS-challenged mice treated with 5, 10 and 20 mg/kg lanthanum chloride were 0, 0 and 8% respectively, which were significantly lower than those of the control group by 67%. After 10 mg/kg lanthanum chloride was administered prophylactically, the mortality rate of mice attacked by LPS was 20%, which was significantly lower than that of the control group (55%). The plasma TNF α content of endotoxemia mice treated with lanthanum chloride was 0.44±0.215 ng/ml, and the TNF-α mRNA expression in liver tissue was (3.9±0.6)× 105 copies/μg RNA, which was significantly lower than that of endotoxemia mice [0.99±0.24 ng/ml,(1.9±0.3)× 107 copy/μg RNA]; The percentage of DNA fragments in thymocytes of endotoxemia mice treated with lanthanum chloride was 30.35%± 6.42%, which was significantly lower than that of untreated mice (55.38%± 3.88%). The percentage of thymocyte apoptosis in endotoxemia mice was 15.56%± 0.59%, which was significantly higher than that in lanthanum chloride treated mice (6.05%± 0.71%). Morphological examination showed that lanthanum chloride can reduce liver and lung pathological damage caused by endotoxin. Therefore, lanthanum chloride can combine LPS, reduce LPS toxicity, and have a protective effect on lethal LPS attacking mice., It can significantly reduce the secretion of TNF α and the expression of TNF α mRNA in liver tissue of endotoxemia mice, inhibit the apoptosis of thymocytes, and reduce the damage caused by LPS to the body. It is used to prepare metal lanthanum and petroleum catalyst raw materials, and can also be used as hydrogen storage battery materials It is mainly used as a catalyst for preparing petroleum cracking, and can also be used as a raw material for extracting single rare earth products or smelting and enriching mixed rare earth metals. |
| Synthesis | Lanthanum chloride is obtained by heating lanthanum oxide in the vapor of dichlorothionyl or iodine tetrachloride. |
| production method | 1. hydrous chloride is installed in a quartz boat in a hard glass tube, pure and dry HCl gas is introduced at a speed of 1 cm3/s with a decompression device (maintaining the height of the mercury column by 25cm), maintained at 70 ℃ for 3 hours, then gradually increased to 160 ℃, maintained for 1~2 hours, and then slowly increased to 250 ℃, open the furnace while it is hot to transfer the quartz tube to the dryer (concentrated sulfuric acid as desiccant), cool, transfer the product to a hot, dry reagent bottle, and quickly seal it. 2. Weigh the reactants according to the stoichiometric relationship. The reactants are installed in a quartz tube (d = 13 ~ 25mm,l = 7 ~ 25cm) suspended in an electric furnace. The selected electric furnace should make the temperature of each part of the sample tube as consistent as possible. The inlet of the reaction tube is connected with the side port of the distillation flask (the distillation flask is connected with a polytetrafluoroethylene tube), and the outlet is connected with a condensation receiver (connected with a polyethylene tube). After each experiment, the polyethylene tube needs to be replaced, and the polytetrafluoroethylene tube will not be affected by the reaction (the device is shown in the figure). CCl4 is dripped from the sample tube to the distillation flask at a speed of 0.22~0.27 g/min · cm. The flow rate of CCl4 can be adjusted by a spiral clamp on the polytetrafluoroethylene tube on the distillation flask. The temperature of the distillation flask is maintained at 100 ° C. with an electric heat shield, and the temperature of the preheating portion (the side tube portion connecting the distillation flask and the reaction tube) is maintained at 120 ° C. with an electric heat belt. The temperature of the reactor shall be controlled according to the following steps: 500 ℃ 6h,550 ℃ 15h,600~650 ℃ 8h. After the reaction is completed, Ar or other inert gases are introduced from the inert gas inlet. Disconnect the reaction tube, install the piston, connect the vacuum system, vacuum, seal storage. |
Last Update：2024-04-09 19:43:38
LANTHANUM(+3)CHLORIDE - Introduction
Soluble in water, easily soluble in soda, decomposed in hot water, easily soluble in ethanol and pyridine, insoluble in ether and benzene. Easy to deliquesce, generate hydroxide or oxychloride precipitation when encountering alkali.
Last Update：2022-10-16 17:11:26
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Raw Materials for LANTHANUM(+3)CHLORIDE