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14284-95-8生产厂家

14284-95-8价格

14284-95-8

14284-95-8结构式
14284-95-8结构式

化源商城直购

中文名 乙酰丙酮铽(III)
英文名 4-oxopent-2-en-2-olate,terbium(3+)
中文别名 三(2,4-戊二酸)铒
乙酰丙酮铽三水合物
英文别名 EINECS 238-195-1
Terbium-2,4-Pentanedionate
MFCD00013503
4-oxopent-2-en-2-olate
沸点 187.6ºC at 760mmHg
熔点 169ºC
分子式 C15H24O6Tb
分子量 459.27300
闪点 71.9ºC
精确质量 459.08300
PSA 102.42000
LogP 1.66350
外观性状 Powder | white
蒸汽压 6.75mmHg at 25°C
储存条件

常温密闭避光,通风干燥

稳定性

常温常压下稳定

避免的物料:氧化物。具有吸湿性。

水溶解性 Insoluble in water.
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:456.059113 Da

8、标称质量:456 Da

9、平均质量:456.249 Da

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:6

4.可旋转化学键数量:3

5.互变异构体数量:35

6.拓扑分子极性表面积120

7.重原子数量:22

8.表面电荷:0

9.复杂度:90.4

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:3

15.共价键单元数量:4

更多

1. 性状:白色晶体或粉末。

2. 密度(g/mL,25/4℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):168~170

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):不适用的

11. 蒸气压(kPa,25ºC):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:不能溶解的


Section 1: Product Identification
Chemical Name:Terbium (III) acetylacetonatetrihydrate (99.9%-Tb) (REO)
CAS Registry Number:14284-95-8
Formula:Tb(CH3COCHCOCH3)3.3H2O
EINECS Number:none
Chemical Family:metal beta-diketonate complexes
Synonym:Tris(2,4-pentanedionato)terbium (III) hydrate

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound14284-95-8100%no datano data

Section 3: Hazards Identification
Emergency Overview:Irritating to skin, eyes and respiratory tract.
Primary Routes of Exposure:Ingestion, Inhalation of dust.
Eye Contact:Causes slight to mild irritation of the eyes.
Skin Contact:Causes slight to mild irritation of the skin.
Inhalation:Irritating to the nose, mucous membranes and respiratory tract.
Ingestion:No information on the physiological effects of ingestion.
Acute Health Affects: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 soap and water. Remove contaminated clothes if necessary. Seek medical
Skin Exposure:
assistance if 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.
Ingestion:Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious).

SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:carbon dioxide, dry powder or foam
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 organic fumes.
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 vermiculite or sodium carbonate and swept up.

SECTION 7: Handling and Storage
Store in a tightly sealed container in a dry place. If container is left open, salt may adsorb moisture from the
Handling and Storage:
atmosphere.

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 appropriate chemical resistant gloves and protective clothing.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
Respirator:
requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:Material may form a fine dust. 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 pwdr.
Molecular Weight:456.26 (510.31)
Melting Point:168-170°
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:no data
Odor:none
Solubility in Water:insoluble

SECTION 10: Stability and Reactivity
Stability:hygroscopic solid
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:contact with moisture
Incompatibility:oxidizing agents
Decomposition Products:Carbon dioxide, carbon monoxide, organic vapors, and metal oxides and carbonates.

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

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

毒理学数据:

1、急性毒性: 主要的刺激性影响:

在皮肤上面:可能引起发炎;

在眼睛上面:可能引起发炎;没有已知的敏化影响。

生态学数据:

通常对水是不危害的,若无政府许可,勿将材料排入周围环境。

危害码 (欧洲) Xi
风险声明 (欧洲) 20/21/22-36/37/38-63
安全声明 (欧洲) 26-36/37/39-45

三水合物的制法。将无水乙酰丙酮铽在加热条件下溶于95%乙醇中,当溶解完全时,加入几毫升乙酰丙酮以防止络合物水解,然后加入足够量的水,使乙醇的浓度为60%。慢慢冷却溶液使晶体析出。过滤,用50%乙醇和水洗涤晶体各一次,空气中干燥数小时,产物在密闭容器中储存。