compound introduction
一般均含有一定的水合水分子。是斜方晶系，能和大多数酸反应，在25℃水中溶解度2.38×10-7mol/L。在900℃时可热分解为三氧化二镧。在热分解过程可产生碱式盐La2O3·2CO2·2H2O。碳酸镧可与碱金属碳酸盐生成可溶于水的碳酸复盐La2(CO3)3·Na2SO4·nH2O。向可溶性的镧盐的稀溶液中加入略过量碳酸铵即可制得碳酸镧沉淀。主要用作生产镧的中间化合物，可作为氯化镧、氧化镧及其它镧化合物的原料。
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Lanthanum carbonate hydrate
Dangerous GoodsCAS number：54451-24-0 molecular formula：La2C3O9·xH2O
overview
Specs
| Chinese alias | 有水碳酸镧 | ||
| English alias | Lanthanum(III) carbonate hydrate | ||
| CAS number | 54451-24-0 | molecular formula | La2C3O9·xH2O |
| molecular weight | 457.84 g/mol | Exact mass | ≥99.9% metals basis |
| PSA | - | logp | - |
numbering system
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physicochemical properties
No physical and chemical property information yet
Safety information
pictogram：
GHS07
Hazard Statement：
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激
Statement of Preventive Measures：
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
WGK Germany：
3
Personal protective equipment：
dust mask type N95 (US),Eyeshields,Gloves
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MSDS
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