uspto-grants-1986_01 · 10.6084/m9.figshare.5104873.v1 · US04563494
查看IDENTITY
结构与身份
- 标准SMILES
- [Eu+3].[Eu+3].[O-2].[O-2].[O-2]
- InChIKey
- AEBZCFFCDTZXHP-UHFFFAOYSA-N
- 分子式
- Eu2O3
- 平均分子量
- 351.93 g/mol
- 单同位素质量
- 353.82722
COMPUTED
结构计算性质
- 极性表面积
- 3 Ų
- 氢键供体
- 0
- 氢键受体
- 3
- 可旋转键
- 0
- 重原子
- 5
- 形式电荷
- 0
- 复杂度
- 0
PROPERTIES
实验与物化性质
Density
7.42 @25 °C
Melting Point
2350 °C
Physical Description
Pink powder; [Merck Index]
GHS
GHS分类
GHS Classification
This chemical does not meet GHS hazard criteria for 34.7% (26 of 75) of reports.
Warning
H315 (65.3%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (65.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H335 (65.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 75 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Reported as not meeting GHS hazard criteria per 26 of 75 reports by companies.;There are 4 notifications provided by 49 of 75 reports by companies with hazard statement code(s).;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
HAZARDS
危害信息
Regulatory Information
Chemical: Europium oxide (Eu2O3)
Europium oxide (Eu2O3): Does not have an individual approval but may be used under an appropriate group standard
Hazards Summary
See Europium. See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and Categories
Skin Irrit. 2 (65.3%);Eye Irrit. 2 (65.3%);STOT SE 3 (65.3%)
SAFETY
安全与防护
Protective Action Criteria (PAC)
15 [mg/m3]
170 [mg/m3]
990 [mg/m3]
TOXICITY
毒理信息
Adverse Effects
Fibrogenic - Inducing tissue injury and fibrosis (scarring).
REGULATORY
法规信息
Regulatory Information
Chemical: Europium oxide (Eu2O3)
Europium oxide (Eu2O3): Does not have an individual approval but may be used under an appropriate group standard
USES
用途与制造
Uses
Used in nuclear control rods; [Hawley]
General Manufacturing Information
Europium oxide (Eu2O3): ACTIVE
ALIASES
名称与别名
REACTIONS
参与反应
uspto-grants-1994_07 · 10.6084/m9.figshare.5104873.v1 · US05332558
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