高纯二甲基镉

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 海关数据
  • 结构与计算化学
  • 上游产品
  • 下游产品

高纯二甲基镉 基本信息

中文名称:
高纯二甲基镉 
中文别名:
高纯二甲基镉;
二甲基镉;
二甲鎘 
英文名称:
Cadmium, dimethyl-
英文别名:
cadmium(2+),carbanide;
Cadmiummethyl;
EINECS 208-055-4;
DIMETHYLCADMIUM;
methyl-Cd-methyl;
Cadmium,dimethyl 
CAS No.:
506-82-1
分 子 式:

C2H6Cd

分 子 量:
142.48
精确分子量:
143.95000
PSA:
0.00000
EINECS:
208-055-4
InChI:
The Key: KVVGSXJGEUULNM-UHFFFAOYSA-N
危险品标志:

 

风险术语:

R17R20/21/22

安全术语:

S16S23S45S36/S37/S39

分子结构式:
SDS:
查看

高纯二甲基镉 制备方法及用途

制备方法

用镉的卤化物与新鲜的格氏试剂反应。合成的粗产品经二级精馏提纯可得高纯二甲基镉产品。

合成制备方法

用镉的卤化物与新鲜的格氏试剂反应。合成的粗产品经二级精馏提纯可得高纯二甲基镉产品。

用途简介

用金属有机物化学气相沉积法(MOCVD)生长HgCdTe/CdTe/GaAs多层异质材料的必不可少的原材料。HgCdTe是第三代红外材料,由它制作的红外探测器可用于导弹制导、红外遥感、激光通风、得到雷达等许多方面。

用途

用金属有机物化学气相沉积法(MOCVD)生长HgCdTe/CdTe/GaAs多层异质材料的必不可少的原材料。HgCdTe是第三代红外材料,由它制作的红外探测器可用于导弹制导、红外遥感、激光通风、得到雷达等许多方面。

高纯二甲基镉 物化性质

外观与性状:
无色有毒液体
密度:
1,986 g/cm3
熔点:
-4.5ºC
沸点:
105,5ºC
存储条件/存储方法:

实用中考虑到金属粒子污染,采用内壁涂层的不锈钢鼓泡瓶封装。确保阀门接管畅通,瓶空间充高纯氮气保护,然后关严阀门、拧紧封头。高纯二甲基镉应贮存在冰箱中。危险货物包装标志应符合GB190规定,包装、贮运指示标志应符合GB191规定。产品出口时的运输,参照美国DOT规则GFR部分的有关规定执行。产品运输时瓶外用充氮气的软包装袋保护,并放入塑料袋中,然后封入内衬有无机防火材料的铁盒中,再固定在木箱中。使用二甲基镉应遵守可燃、有毒物质使用有关安全规定及“通则”中有关规定。其余安全注意事项,参见二乙基碲。

稳定性相关:

在空气中易氧化自燃,同水能发生激烈反应。

其它信息:

1.       性状:二甲基镉在常温常压下为无色有毒液体。

2.       密度(g/mL,25℃):1.986

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):-4.5

5.       沸点(ºC,常压):105.5

6.       沸点(ºC,60mmHg):未确定

7.       折射率(n20/D):未确定

8.       闪点(ºC):18

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,19ºC):未确定

12.    饱和蒸气压(kPa,25ºC):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

高纯二甲基镉 安全信息

风险类别:
4.2
海关代码:
2931900090
危险类别码:
17-20/21/22
安全说明:
7/8-16-23-36/37/39-45
安全标志:
S16:远离火源。
S23:不要吸入蒸汽。
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)。
:

高纯二甲基镉 毒理性

毒理学数据:

二甲基镉的毒性强,吸入后进入肺、肝脏、肾脏,在肠管壁中残留较高浓度,在肺组织中长时间附着。它对眼、皮肤、上呼吸道产生刺激作用,损伤支气管、肺泡、胃和肾。最高容许浓度0.05mg/m3。

高纯二甲基镉 MSDS


Section 1: Product Identification
   Chemical Name:       Dimethylcadmium, elec. gr. (99.995+%-Cd) PURATREM **S.STEEL CYL EXTRA**    
   CAS Registry Number:       506-82-1    
   Formula:       (CH3)2Cd    
   EINECS Number:       none    
   Chemical Family:       metal alkyl    
   Synonym:       None    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       506-82-1       100%       0.002mg/m3       0.005mg/m3    

Section 3: Hazards Identification
   The oral toxicity of cadmium and its compounds is high. The inhalation of cadmium fumes and dust can lead
   Emergency Overview:
   to effects on the respiratory tract and the kidneys. May cause cancer.
   Primary Routes of Exposure:       Ingestion, inhalation    
   Eye Contact:       May cause mild to severe irritation of the eyes.    
   Skin Contact:       May cause mild to severe irritation of the skin.    
   Inhalation of fumes can lead to a cough, headache, shortness of breath and vomiting. Severe exposure can
   Inhalation:
   lead to dyspnea. Toxic by inhalation.
   Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.
   Ingestion:
   Toxic if swallowed.
   Acute Health Affects:       May be irritating to skin, eyes and respiratory tract. Toxic by inhalation and if swallowed.    
   Long term exposure to cadmium and cadmium compounds can lead to effects of the respiratory tract and
   Chronic Health Affects:
   kidney damage. Cadmium is a recognized carcinogen of the connective tissue, lungs and the liver.
   NTP:       Yes    
   IARC:       Yes    
   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.
   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:       -1°F    
   Autoignition Temperature:       None    
   Explosion Limits:       None    
   Extinguishing Medium:       Foam or dry powder    
   If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
   Special Fire Fighting Procedures:
   self-contained breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material can emit irritating and toxic fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Material is pyrophoric. The material will ignite on contact with air.

SECTION 6: Accidental Release Measures
   If spilled, the material will ignite emitting iritating and toxic fumes. All personnel must evacuate the area.
   Spill and Leak Procedures:       Emergency crews must be fitted with self-contained breathing apparatus. Burning material can be quenched    
   with dry powders such as dolomite of sodium carbonate.

SECTION 7: Handling and Storage
   The product must be stored and handled under an inert atmosphere of nitrogen or argon. Keep away from
   Handling and Storage:
   heat.

SECTION 8: Exposure Controls and Personal Protection
   Always wear approved safety glasses when handling a chemical substance in the laboratory. Use of a face
   Eye Protection:
   shield is highly recommended.
   Skin Protection:       Protective gloves and protective clothing must be worn when handling this product.    
   Product must be handled in an inert atmosphere. In the event of a spill or release, adequate ventilation is
   Ventilation:
   essential.
   If the potential exists for a spill or release of this product, workers should be equipped with a self-contained
   Respirator:
   breathing apparatus.
   Product must be handled in an inert atmosphere. In the event of a spill or release, adequate ventilation is
   Ventilation:
   essential.
   Additional Protection:       No additional protection required.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       Colorless liq.    
   Molecular Weight:       142.88    
   Melting Point:       none    
   Boiling Point:       105.5°C    
   Vapor Pressure:       28mm (20°C)    
   Specific Gravity:       1.985 (18°)    
   Odor:       metallic odor    
   Solubility in Water:       Reacts vigorously with water    

SECTION 10: Stability and Reactivity
   Stability:       Moisture sensitive, pyrophoric    
   Hazardous Polymerization:       No hazardous polymerization    
   Conditions to Avoid:       Contact with air.    
   Water, alcohols, carbonyl compounds, mineral acids, metal salts, sulfur, phosphorus, metals and chlorinated
   Incompatibility:
   hydrocarbons
   Decomposition Products:       carbon dioxide, carbon monoxide, and cadmium oxide fumes.    

SECTION 11: Toxicological Information
   RTECS Data:       No specific information available from the RTECS files.    
   Carcinogenic Effects:       No data available    
   Mutagenic Effects:       Possible mutagenic effects reported by RTECS    
   Tetratogenic Effects:       No data available    

SECTION 12: Ecological Information
   Ecological Information:       Cadmium is a toxic material and represents a hazard to aquatic life.    

SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to local, state and federal regulations.    

SECTION 14: Transportation
   Shipping Name (CFR):       Organometallic substance,Liquid,Pyrophoric,Water-reactive    
   Hazard Class (CFR):       4.2    
   Additional Hazard Class (CFR):       4.3    
   Packaging Group (CFR):       I    
   UN ID Number (CFR):       UN# 3394    
   Shipping Name (IATA):       Prohibited    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       UN# 3394    

SECTION 15: Regulatory Information
   TSCA:       Not listed in TSCA inventory    
   SARA (Title 313):       Title Compound: See Category Code N078 for reporting.    
   Second Ingredient:       None    


SECTION 16 - ADDITIONAL INFORMATION
N/A

高纯二甲基镉 海关数据

中国海关编码:2931900090

概述:
2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0%
摘要/Summary:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

高纯二甲基镉 分子结构与计算化学数据

计算化学数据

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:2

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:3

8.表面电荷:0

9.复杂度:2.8

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:3

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