硫酸镝(III)

硫酸镝(III) 基本信息
CAS号 10031-50-2 分子式 Dy2H16O20S3
分子量 757.31000 精确质量 　759.79800
PSA 　339.76000 LogP 　-1.28600
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目录
基本信息 制备方法与用途 物化性质 安全信息 MSDS 结构与计算数据

基本信息 展开↓

CAS号：
10031-50-2
分子式：
Dy2H16O20S3
分子量：
757.31000
中文名称：
硫酸镝(III)
英文名称：
dysprosium(3+),trisulfate,octahydrate
中文别名：
硫酸镝(III);
硫酸镝八水
英文别名：
dysprosium(3+),trisulfate,octahydrate;
Didysprosiumtrisulfate octahydrate;
DYSPROSIUM SULFATE;
DYSPROSIUM(III) SULFATE OCTAHYDRATE
精确分子量/精确质量：
759.79800
极性分子表面积/PSA：
339.76000
油水分配系数/LogP：

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值，反映了物质在油水两相中的分配情况。其中、LogP值越大，说明该物质越亲油；反之，LogP值越小，则说明该物质越亲水。
EINECS：
238-345-6

生产制备方法及用途展开↓

制备方法

将高纯Dy2O3溶于稀盐酸中,向该溶液中加入比反应计量稍多的稀硫酸,然后向此溶液中加入大量的95%的乙醇,即可沉淀出硫酸镝八水的结晶,滤出沉淀并用95%的乙醇洗涤至无氯离子和游离酸,在空气中凉干。

合成制备方法

将高纯Dy2O3溶于稀盐酸中，向该溶液中加入比反应计量稍多的稀硫酸，然后向此溶液中加入大量的95%的乙醇，即可沉淀出硫酸镝八水的结晶，滤出沉淀并用95%的乙醇洗涤至无氯离子和游离酸，在空气中凉干。

用途简介

物化性质展开↓

其它信息：

1.       性状：黄色单斜晶系结晶，溶于水。

2.       密度（g/mL,25℃）：未确定

3.       相对蒸汽密度（g/mL,空气=1）：未确定

4.       熔点（ºC）：未确定

5.       沸点（ºC,常压）：未确定

6.       沸点（ºC,5.2kPa）：未确定

7.       折射率：未确定

8.       闪点（ºC）：未确定

9.       比旋光度（º）：未确定

10.    自燃点或引燃温度（ºC）：未确定

11.    蒸气压（kPa,20ºC）：未确定

12.    饱和蒸气压（kPa,60ºC）：未确定

13.    燃烧热（KJ/mol）：未确定

14.    临界温度（ºC）：未确定

15.    临界压力（KPa）：未确定

16.    油水（辛醇/水）分配系数的对数值：未确定

17.    爆炸上限（%,V/V）：未确定

18.    爆炸下限（%,V/V）：未确定

19.    溶解性：未确定。

安全信息展开↓

WGK_Germany：
3
德国有关水污染物质的分类清单
安全说明：
22-24/25

MSDS 展开↓

Name: Dysprosium(III) Sulfate Octahydrate 99.99+% Material Safety Data Sheet
Synonym: None
CAS: 10031-50-2
Section 1 - Chemical Product   MSDS Name:Dysprosium(III) Sulfate Octahydrate 99.99+% Material Safety Data Sheet
Synonym:None
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
10031-50-2 Dysprosium(III) Sulfate Octahydrate 99.99+% unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.
Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Hygroscopic (absorbs moisture from the air).The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.
Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.
Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.
Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 10031-50-2: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Crystalline powder
Color: white crystalline powder
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: slighlty soluble
Specific Gravity/Density:
Molecular Formula: Dy2(SO4)3.8H2O
Molecular Weight: 757.31
Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, moisture, exposure to moist air or water.
Incompatibilities with Other Materials:
Moisture, strong oxidizing agents.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, sulfur oxides (SOx), including sulfur oxide and sulfur dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 10031-50-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Dysprosium(III) Sulfate Octahydrate - Not listed by ACGIH, IARC, or NTP.
Section 12 - ECOLOGICAL INFORMATION
 
Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.
Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 10031-50-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 10031-50-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 10031-50-2 is not listed on the TSCA inventory.
It is for research and development use only.

SECTION 16 - ADDITIONAL INFORMATION
N/A

分子结构与计算化学数据展开↓

分子结构数据

1、摩尔折射率：无可用的

2、摩尔体积（cm3/mol）：无可用的

3、等张比容（90.2K）：无可用的

4、表面张力（dyne/cm）：无可用的

5、介电常数：无可用的

6、极化率（10-24cm3）：无可用的

7、单一同位素质量：759.798103 Da

8、标称质量：760 Da

9、平均质量：757.31 Da

计算化学数据

1.疏水参数计算参考值（XlogP）:无

2.氢键供体数量:8

3.氢键受体数量:20

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积274

7.重原子数量:25

8.表面电荷:0

9.复杂度:62.2

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:13

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