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1313-22-0生产厂家

1313-22-0价格

1313-22-0

1313-22-0结构式
1313-22-0结构式

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中文名 硒化锰
英文名 Manganese(II) Selenide
英文别名 MANGANESE SELENIDE
EINECS 215-203-1
MFCD00049486
manganese(II) selenide
密度 5,45 g/cm3
熔点 1460°C
分子式 HMnSe
分子量 134.90600
精确质量 135.86200
外观性状 crystal | black
储存条件

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

如果遵照规格使用和储存则不会分解,未有已知危险反应,避免氧化物.不溶于水,在热水或稀酸中分解。

水溶解性 insoluble H2O [CRC10]
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:134.854571 Da

8、标称质量:135 Da

9、平均质量:133.898 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:0

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0

7.重原子数量:2

8.表面电荷:0

9.复杂度:2

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

更多

1. 性状:灰色立方晶体

2. 密度(g/cm3,25℃):5.5

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,0.05mmHg):未确定

7. 折射率(n20/D):未确定

8. 闪点(ºF):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(mmHg,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:不溶于水


Section 1: Product Identification
Chemical Name:Manganese (II) selenide (99.9%-Mn)
CAS Registry Number:1313-22-0
Formula:MnSe
EINECS Number:215-203-1
Chemical Family:metal chalcogenide
Synonym:None

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound1313-22-0100%0.2mg/m3 as Mn5mg/m3 (as Mn)

Section 3: Hazards Identification
May be irritating to eyes, skin and respiratory tract. May be harmful if swallowed. Some compounds of
Emergency Overview:
manganese affect the central nervous system. Selenium causes shortness of breath, chills and headache.
Primary Routes of Exposure:Inhalation, ingestion.
Eye Contact:May cause slight to mild irritation of the eyes.
Skin Contact:May cause slight to mild irritation of the skin.
Dust may be irritating to the nose, mucous membranes and respiratory tract and cause chronic health
Inhalation:
problems.
Ingestion:No information available on the physiological effects of ingestion.
Acute Health Affects:May be irritating to skin, eyes and respiratory tract.
Prolonged exposure to manganese containing dust may produce manganese pneumonitis and manganese
Chronic Health Affects:poisoning. Symptoms include sleepiness, weakness and emotional disturbances. Equivocal studies have
shown manganese may decrease fertility in men.
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 in
Inhalation:
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:no data
Autoignition Temperature:no data
Explosion Limits:none
Extinguishing Medium:carbon dioxide, foam or dry powder.
If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic manganese oxide fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: Non-flammable material. 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 the material 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 protective clothing and gloves.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory
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:-20 mesh black xtl
Molecular Weight:133.9
Melting Point:no data
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:no data
Odor:not determined
Solubility in Water:insoluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization.
Conditions to Avoid:none
Incompatibility:oxidizing agents
Decomposition Products:selenium oxide and manganese oxide

SECTION 11: Toxicological Information
RTECS Data:No information available in RTECS.
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: See category codes N450 and N725 for reporting
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A

生态学数据:

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。对水中有机物有危害

危害码 (欧洲) T+
风险声明 (欧洲) 23/25-33-50/53
安全声明 (欧洲) 20/21-28-45
危险品运输编码 UN 3283
包装等级 II
危险类别 6.1

Mn(Ⅱ)硒化物有三种晶型,α-MnSe具NaCl结构,可由硫酸锰(Ⅱ)、氯化锰(Ⅱ)或醋酸锰,在醋酸铵存在下与(NH4)2Se反应生成MnSe沉淀再经陈化而得到;β-MnSe,具闪锌矿结构,可将乙酸锰溶液在H2Se气氛中暴露数小时后而制得;γMnSe,具纤锌矿型结构,在沸腾的MnCl2或MnSO4溶液中,与H2Se和NH3反应而制得。β和γ两种晶型都不是稳定的,很容易转变为稳定的α晶型。但是,在低温下α-MnSe却转化为β-MnSe。

MnSe的生成热是-157.7kJ/mol。