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15280-55-4生产厂家

15280-55-4价格

15280-55-4

15280-55-4结构式
15280-55-4结构式

化源商城直购

中文名 乙酸镝(III)水合物
英文名 dysprosium(III) acetate tetrahydrate
中文别名 醋酸镝(III)
英文别名 DYSPROSIUM ACETATE
DYSPROSIUM(III)ACETATETETRAHYDRATE
DYSPROSIUM ACETATE HYDRATE
DYSPROSIUM (III) ACETATE
Dysprosium(III) acetate tetrahydrate
(0470) DYSPROSIUM (III) ACETATE
MFCD00013033
DYSPROZIUM (III) ACETATE HYDRATE
熔点 120℃
分子式 C2H5DyO3++
分子量 239.55900
精确质量 240.95300
PSA 49.36000
储存条件 室温,密封
稳定性

易溶于水,难溶于乙醇,不溶于乙醚。

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:4

3.氢键受体数量:10

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124

7.重原子数量:17

8.表面电荷:0

9.复杂度:25.5

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:8

更多

1.性状:黄色针状晶体。

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):120

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,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:未确定


Section 1: Product Identification
Chemical Name:Dysprosium (III) acetate hydrate (99.9%-Dy) (REO)
CAS Registry Number:15280-55-4
Formula:Dy(OOCCH3)3.XH2O
EINECS Number:none
Chemical Family:metal acetate salt
Synonym:Acetic acid, dysprosium(+3) salt, hydrate

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound15280-55-4100%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:white pwdr.
Molecular Weight:339.6
Melting Point:120° dec.
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 specific information available on this product.
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
危害码 (欧洲) Xi
风险声明 (欧洲) R36/37/38
安全声明 (欧洲) S26;S36/S37/S39

取氧化镝10g溶于500mL的50%醋酸水溶液中,加热使氧化镝溶解,若有不溶物经过滤得清液,再将此水溶液置于75℃的水浴上加热,以蒸去大部分水,待结晶析出即可滤集,将晶体置于结晶皿中,放入装有氢氧化钠和高氯酸镁的真空干燥器中,抽真空干燥即得四水醋酸镝。