化学品概述
基本信息
- 中文名称:
- 中文别名:
- 英文名称:
- 英文别名:
- 分子式:
- 分子量:
- CAS:
- EINECS编号:
- MDL编号:
- 精确质量:
- InChI:
- InChI Key:
- MOL文件:
- PSA:
- LogP:
- FEMA编码:
- COE编码:
理化性质
-
外观性质:
powder;Gray
-
熔点:
1522 °C(lit.)
-
沸点:
3338 °C(lit.)
-
密度:
4.469 g/mL at 25 °C(lit.)
- 折射率:
- 比旋光度:
- 闪点:
- 溶解性:
-
酸度系数(pKa):
Insoluble in water
- 相对极性:
- PH值:
- 爆炸极限值(explosive limit):
-
敏感性:
air sensitive, moisture sensitive
-
储存条件:
Flammables area
- 检测方法:
- 蒸气压:
-
Merck:
13,10161
- BRN:
- NIST化学物质信息:
- EPA化学物质信息:
安全信息
-
危化品标志:
C,Xi,Xn,F
-
危化代码:
34-36/38-20/21/22
-
安全代码:
26-36/37/39-45-33-27-16
-
海关编码/HS编码:
28053090
-
危化品运输编码:
UN 3264 8/PG 3
-
WGK Germany:
3
-
RTECS:
ZG2980000
-
TSCA:
Yes
-
危化等级:
8
-
包装类别:
III
-
毒理资料:
高毒
-
灭火剂:
不燃
应用领域
制备方法/合成路线
参考资料
- Y; at. wt 88.90585; at. no. 39; valence 3. Group IIIb (3). A rare earth metal. Naturally occurring isotope (mass number): 89; known artificial radioactive isotopes: 80-88; 90-100. Estimated abundance in earth's crust: 28.1-31 ppm. Natural sources: xenotime, fergusonite, samarskite, yttrialite, gadolinite, and other rare earth minerals. Discovered in 1794 by Gadolin; separated as yttria in 1843 by Mosander; named by Ekeberg. Sepn by fractional precipitation: Bonardi, James, J. Am. Chem. Soc. 37, 2642 (1915); Willand, James, ibid. 38, 1198 (1916); Wichers et al., ibid. 40, 1615 (1918); by ion exchange: Spedding et al., ibid. 69, 2812 (1947); Mayer, Freiling, ibid. 75, 5647 (1953). Toxicity study: Cochran et al., Arch. Ind. Hyg. Occup. Med. 1, 637 (1950). Reviews of prepn, properties and compds: The Rare Earths, F. H. Spedding, A. H. Daane, Eds. (Krieger, Huntington, N.Y., 1971, reprint of 1961 ed.) 641 pp; Vickery, "Scandium, Yttrium and Lanthanum", in Comprehensive Inorganic Chemistry vol. 3, J. C. Bailar Jr. et al., Eds. (Pergamon Press, Oxford, 1973) pp 329-353; Moeller, "The Lanthanides", ibid. vol. 4, pp 1-101; F. H. Spedding in Kirk-Othmer Encyclopedia of Chemical Technology vol. 19 (John Wiley & Sons, New York, 3rd ed., 1982) pp 833-854; Chemistry of the Elements N. N. Greenwood, A. Earnshaw, Eds. (Pergamon Press, New York, 1984) pp 1102-1110, 1423-1449.
- MSDS
图谱
计算化学数据
- 疏水参数计算参考值(XlogP):
- 氢键供体数量 :
- 氢键受体数量:
- 可旋转化学键数量:
- 拓扑分子机型表面积(TPSA) :
- 重原子数量:
- 形式电荷:
- 复杂度:
- 同位素原子数量:
- 确定原子立构中心数量:
- 不确定原子立构中心数量:
- 确定化学键立构中心数量:
- 不确定化学键立构中心数量:
- 共价键单元数量: