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10034-98-7生产厂家

10034-98-7价格

10034-98-7

10034-98-7结构式
10034-98-7结构式

化源商城直购

中文名 硫酸镱(III)八水合物
英文名 Ytterbium(III) Sulfate Octahydrate
中文别名 八水合硫酸镱(III)
英文别名 YTTERBIUM SULFATE
EINECS 236-727-7
Ytterbium(III) sulfate octahydrate
MFCD00149887
密度 3,286 g/cm3
熔点 900°C
分子式 H16O20S3Yb2
分子量 778.41800
精确质量 779.81700
PSA 339.76000
外观性状 灰色粉末
储存条件 室温
稳定性

在水中的溶解度随温度的升高而下降。

分子结构

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:779.817503 Da

8、标称质量:780 Da

9、平均质量:778.39 Da

计算化学

1、 疏水参数计算参考值(XlogP):未确定

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、 拓扑分子极性表面积(TPSA):249

6、 重原子数量:25

7、 表面电荷:0

8、 复杂度:62.2

9、 同位素原子数量:0

10、 确定原子立构中心数量:0

11、 不确定原子立构中心数量:0

12、 确定化学键立构中心数量:0

13、 不确定化学键立构中心数量:0

14、 共价键单元数量:13

更多

1. 性状:带光泽的无色结晶。

2. 密度(g/mL,25℃):3.286

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):900

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


Section 1: Product Identification
Chemical Name:Ytterbium (III) sulfate octahydrate (99.9%-Yb) (REO)
CAS Registry Number:10034-98-7
Formula:Yb2(SO4)3.8H2O
EINECS Number:236-844-3
Chemical Family:metal sulfate
Synonym:none

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound10034-98-7100%no datano data

Section 3: Hazards Identification
Emergency Overview:May be irritating to eyes, skin and respiratory tract. May be harmful if swallowed.
Primary Routes of Exposure:Ingestion
Eye Contact:May cause slight to mild irritation of the eyes.
Skin Contact:May cause slight to mild irritation of the skin.
Inhalation:May be irritating to the nose, mucous membranes and respiratory tract.
Ingestion:Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.
Acute Health Affects:May be irritating to skin, eyes and respiratory tract.
Chronic Health Affects:No information available on long-term chronic effects.
NTP:No
IARC:No
OSHA:No

SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:none required
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic fumes of sulfur oxides.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up.

SECTION 7: Handling and Storage
Handling and Storage:Store material in a tightly sealed bottle away from moisture.

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothes and gloves. Consult glove manufacturer to determine the proper type of glove.
Ventilation:If possible, handle the material in an efficient fume hood.
In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
Respirator:
Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:white xtl.
Molecular Weight:634.26 (778.39)
Melting Point:no data
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:3.286
Odor:none
Solubility in Water:soluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:none
Decomposition Products:none

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

SECTION 12: Ecological Information
Ecological Information:No information available

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA

SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A
危害码 (欧洲) Xi
安全声明 (欧洲) S22-S24/25
WGK德国 3

将高纯Yb2O3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,即可沉淀出八水合硫酸镱的结晶,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。