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25519-09-9生产厂家

25519-09-9价格

25519-09-9

25519-09-9结构式
25519-09-9结构式

化源商城直购

中文名 醋酸钬四水
英文名 holmium acetate
中文别名 醋酸钬
英文别名 Essigsaeure,Holmiumacetat
holmium(3+) acetate
Triacetic acid holmium salt
HOLMIUM (III) ACETATE
holmium(3+) triethanoate
Holmium triacetate
MFCD00150648
holmium(3+) triacetate
acetic acid,holmium acetate
EINECS 247-066-9
沸点 117.1ºC
熔点 85-87 °C(lit.)
分子式 C6H11HoO7
分子量 360.07800
闪点 40ºC
精确质量 359.98100
PSA 88.13000
外观性状 白色晶体无气味的
储存条件 室温, 密封, 干燥
稳定性

与1,10菲咯啉作用[157],得到络合物,加热至261~263℃分解。

计算化学

1.疏水参数计算参考值(XlogP):1.6

2.氢键供体数量:2

3.氢键受体数量:5

4.可旋转化学键数量:1

5.互变异构体数量:8

6.拓扑分子极性表面积74.6

7.重原子数量:27

8.表面电荷:0

9.复杂度:841

10.同位素原子数量:0

11.确定原子立构中心数量:7

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:1

更多

1. 性状:黄色固体,溶于水。

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):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


Section 1: Product Identification
Chemical Name:Holmium (III) acetate monohydrate (99.9%-Ho) (REO)
CAS Registry Number:25519-09-9
Formula:Ho(OOCCH3)3.H2O
EINECS Number:none
Chemical Family:metal acetate salt
Synonym:Acetic acid, holmium(+3) salt, hydrate

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound25519-09-9100%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 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.
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
Handling and Storage:Store in a sealed container. Keep away from heat and 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 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:peach pwdr.
Molecular Weight:342.07 (360.09)
Melting Point:no data
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:no data
Odor:none
Solubility in Water:soluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable solid
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
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: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) Xn
风险声明 (欧洲) R36/37/38
安全声明 (欧洲) S26-S37/39
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取氧化钬(Ⅲ)10g加至500mL 50%醋酸溶液中,用砂浴加热,通常氧化物可完全溶解。若瓶底仍有少量未溶的氧化物,需过滤成清液。将滤液置于75℃水浴上加热,以蒸去大部分溶剂,冷却,滤集晶体。将晶体放入玻璃皿中,置于装有固体氢氧化钠和高氯酸镁的真空保干器中,抽真空进行干燥,得到水合醋酸钬(Ⅲ)。将水合物在真空中于150℃加热约24h或加热至恒重,得到无水醋酸钬(Ⅲ)。