硒化锶

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 结构与计算化学

硒化锶 基本信息

中文名称:
硒化锶 
中文别名:
硒化锶 
英文名称:
Strontium selenide
英文别名:
STRONTIUM SELENIDE;
Strontium selenide (SrSe);
Strontium selenide 
CAS No.:
1315-07-7
分 子 式:
SeSr
分 子 量:
166.58
精确分子量:
168.83000
PSA:
0.00000
MDL:
MFCD00054059
EINECS:
215-258-1
InChI:
InChI=1/Se.Sr/q-2;+2
危险品标志:
DangerousN
风险术语:
R33;R23/25;R50/53
安全术语:
S28;S45;S60;S61
分子结构式:
SDS:
查看

硒化锶 制备方法及用途

制备方法

1.将硒酸锶SrSeO4在氢气流中还原,温度为600℃,可得到纯白色的硒化锶结晶。2.亚硒酸锶在较高温度下用氨还原。亚硒酸锶是由溶于水的纯的SeO2与硝酸锶热溶液反应,加氨水中和后有亚硒酸锶沉淀析出,过滤,用水洗涤至不含硝酸盐(约洗6次)为止。在200℃下干燥。将亚硒酸锶在NH3气流中于860℃还原2~3h,可得硒化锶。

合成制备方法

1.将硒酸锶SrSeO4在氢气流中还原,温度为600℃,可得到纯白色的硒化锶结晶。

2.亚硒酸锶在较高温度下用氨还原。亚硒酸锶是由溶于水的纯的SeO2与硝酸锶热溶液反应,加氨水中和后有亚硒酸锶沉淀析出,过滤,用水洗涤至不含硝酸盐(约洗6次)为止。在200℃下干燥。将亚硒酸锶在NH3气流中于860℃还原2~3h,可得硒化锶。

用途简介

硒化锶 物化性质

外观与性状:
结晶固体
熔点:
1600 °C(lit.)
存储条件/存储方法:

保持贮藏器密封、储存在阴凉、干燥的地方,确保工作间有良好的通风或排气装置。 

 

稳定性相关:

如果遵照规格使用和储存则不会分解,和水接触释放有毒气体,和酸接触时释放有毒气体。与空气、水和HCl的反应与CaSe相同。在紫外光照射下发荧光。

其它信息:

1.       性状:白色粉末,六方晶系。

2.       密度(g/mL,25/4℃): 4.38

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):1600

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

硒化锶 安全信息

包装等级:
III
风险类别:
6.1
WGK_Germany:
3
德国有关水污染物质的分类清单
危险类别码:
R23/25
安全说明:
S20/21-S28-S45-S60-S61
安全标志:
S28:接触皮肤之后,立即使用大量皂液洗涤。
S45:出现意外或者感到不适,立刻到医生那里寻求帮助(最好带去产品容器标签)。
S60:本物质残余物和容器必须作为危险废物处理。
S61:避免排放到环境中。参考专门的说明/安全数据表。
危险标志:
T: Toxic;N: Dangerous for the environment;

硒化锶 毒理性

生态数据:

水危害级别3:对水是极其危害的,即使是少量产品渗入地下也会对饮用水造成危害,若无政府许可勿将产品排入周围环境。对水中有机物有剧毒和危害

硒化锶 MSDS


Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
  Product identifiers
    Product name        : Strontium selenide    
    CAS-No.        : 1315-07-7    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

Section 2. HAZARDS IDENTIFICATION
  Classification of the substance or mixture
  Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
    Acute toxicity, Inhalation (Category 3)
    Acute toxicity, Oral (Category 3)
    Specific target organ toxicity - repeated exposure (Category 2)
    Acute aquatic toxicity (Category 1)
    Chronic aquatic toxicity (Category 1)
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    Toxic by inhalation and if swallowed. Danger of cumulative effects. Very toxic to aquatic organisms, may
    cause long-term adverse effects in the aquatic environment.
  Label elements
  Labelling according Regulation (EC) No 1272/2008 [CLP]
    Pictogram
    Signal word        Danger    
    Hazard statement(s)
    H301        Toxic if swallowed.    
    H331        Toxic if inhaled.    
    H373        May cause damage to organs through prolonged or repeated exposure.    
    H410        Very toxic to aquatic life with long lasting effects.    
    Precautionary statement(s)
    P261        Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.    
    P273        Avoid release to the environment.    
    P301 + P310        IF SWALLOWED: Immediately call a POISON CENTER or doctor/    
    physician.
    P311        Call a POISON CENTER or doctor/ physician.    
    P501        Dispose of contents/ container to an approved waste disposal plant.    
    Supplemental Hazard        none    
    Statements
  According to European Directive 67/548/EEC as amended.
    Hazard symbol(s)
    R-phrase(s)
    R23/25        Toxic by inhalation and if swallowed.    
    R33        Danger of cumulative effects.    
    R50/53        Very toxic to aquatic organisms, may cause long-term adverse effects in    
    the aquatic environment.
    S-phrase(s)
    S20/21        When using do not eat, drink or smoke.    
    S28        After contact with skin, wash immediately with plenty of soap and water.    
    S45        In case of accident or if you feel unwell, seek medical advice immediately    
    (show the label where possible).
    S60        This material and its container must be disposed of as hazardous waste.    
    S61        Avoid release to the environment. Refer to special instructions/ Safety    
    data sheets.
  Other hazards - none

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substances
    Formula        : SeSr    
    Molecular Weight        : 166,58 g/mol    
    Component        Concentration    
  Strontium selenide
    CAS-No.        1315-07-7        -    
    EC-No.        215-258-1    
    Index-No.        034-002-00-8    

Section 4. FIRST AID MEASURES
  Description of first aid measures
  General advice
    Consult a physician. Show this safety data sheet to the doctor in attendance.
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
  In case of skin contact
    Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician.
  In case of eye contact
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
  Most important symptoms and effects, both acute and delayed
    Acute selenium poisoning produces central nervous system effects, which include nervousness,
    convulsions, and drowsiness. Other signs of intoxication can include skin eruptions, lassitude,
    gastrointestinal distress, teeth that are discolored or decayed, odorous ("garlic") breath, and partial loss of
    hair and nails. Chronic exposure by inhalation can produce symptoms that include pallor, coating of the
    tongue, anemia, irritation of the mucosa, lumbar pain, liver and spleen damage, as well as any of the other
    previously mentioned symptoms. Chronic contact with selenium compounds may cause garlic odor of
    breath and sweat, dermatitis, and moderate emotional instability., To the best of our knowledge, the
    chemical, physical, and toxicological properties have not been thoroughly investigated.
  Indication of any immediate medical attention and special treatment needed
    no data available

Section 5. FIREFIGHTING MEASURES
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Strontium oxides, Selenium/selenium oxides
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions, protective equipment and emergency procedures
    Wear respiratory protection. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate
    ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
  Environmental precautions
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
    environment must be avoided.
  Methods and materials for containment and cleaning up
    Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
    containers for disposal.
  Reference to other sections
    For disposal see section 13.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
    Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
    protection.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
  Specific end uses
    no data available

Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling
    the product.
  Personal protective equipment
  Eye/face protection
    Face shield and safety glasses Use equipment for eye protection tested and approved under
    appropriate government standards such as NIOSH (US) or EN 166(EU).
  Skin protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
  Body Protection
    Complete suit protecting against chemicals, The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    Where risk assessment shows air-purifying respirators are appropriate use a full-face particle
    respirator type N99 (US) or type P2 (EN 143) respirator cartridges as a backup to engineering
    controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use
    respirators and components tested and approved under appropriate government standards such
    as NIOSH (US) or CEN (EU).

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Information on basic physical and chemical properties
    a) Appearance        Form: powder    
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        Melting point/range: 1.600 °C - lit.    
    point
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        not applicable    
    h) Evaporation rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        no data available    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Autoignition        no data available    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

Section 10. STABILITY AND REACTIVITY
  Reactivity
    no data available
  Chemical stability
    no data available
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    Strong oxidizing agents
  Hazardous decomposition products
    Other decomposition products - no data available

Section 11. TOXICOLOGICAL INFORMATION
  Information on toxicological effects
  Acute toxicity
    no data available
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    no data available
  Respiratory or skin sensitization
    no data available
  Germ cell mutagenicity
    no data available
  Carcinogenicity
    IARC:        3 - Group 3: Not classifiable as to its carcinogenicity to humans (Strontium selenide)    
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    May cause damage to organs through prolonged or repeated exposure.
  Aspiration hazard
    no data available
  Potential health effects
  Inhalation        Toxic if inhaled. May cause respiratory tract irritation.    
  Ingestion        Toxic if swallowed.    
  Skin        Harmful if absorbed through skin. May cause skin irritation.    
  Eyes        May cause eye irritation.    
  Signs and Symptoms of Exposure
    Acute selenium poisoning produces central nervous system effects, which include nervousness,
    convulsions, and drowsiness. Other signs of intoxication can include skin eruptions, lassitude,
    gastrointestinal distress, teeth that are discolored or decayed, odorous ("garlic") breath, and partial loss of
    hair and nails. Chronic exposure by inhalation can produce symptoms that include pallor, coating of the
    tongue, anemia, irritation of the mucosa, lumbar pain, liver and spleen damage, as well as any of the other
    previously mentioned symptoms. Chronic contact with selenium compounds may cause garlic odor of
    breath and sweat, dermatitis, and moderate emotional instability., To the best of our knowledge, the
    chemical, physical, and toxicological properties have not been thoroughly investigated.
  Additional Information
    RTECS: Not available

Section 12. ECOLOGICAL INFORMATION
  Toxicity
    no data available
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    no data available
  Other adverse effects
    Very toxic to aquatic life with long lasting effects.

Section 13. DISPOSAL CONSIDERATIONS
  Waste treatment methods
  Product
    Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
    professional waste disposal service to dispose of this material. Dissolve or mix the material with a
    combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
  Contaminated packaging
    Dispose of as unused product.

Section 14. TRANSPORT INFORMATION
  UN number
    ADR/RID: 3283        IMDG: 3283        IATA: 3283    
  UN proper shipping name
    ADR/RID: SELENIUM COMPOUND, SOLID, N.O.S. (Strontium selenide)
    IMDG: SELENIUM COMPOUND, SOLID, N.O.S. (Strontium selenide)
    IATA:        Selenium compound, solid, n.o.s. (Strontium selenide)    
  Transport hazard class(es)
    ADR/RID: 6.1        IMDG: 6.1        IATA: 6.1    
  Packaging group
    ADR/RID: III        IMDG: III        IATA: III    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A

硒化锶 分子结构与计算化学数据

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:167.822139 Da

8、标称质量:168 Da

9、平均质量:166.58 Da

计算化学数据

1.疏水参数计算参考值(XlogP):4.8

2.氢键供体数量:0

3.氢键受体数量:2

4.可旋转化学键数量:2

5.互变异构体数量:无

6.拓扑分子极性表面积47.6

7.重原子数量:18

8.表面电荷:0

9.复杂度:385

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:1

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