碘化锂三水合物

碘化锂三水合物 基本信息
CAS号 7790-22-9 分子式 H6ILiO3
分子量 187.89100 精确质量  187.95200
PSA  27.69000 LogP  -3.18890

基本信息 展开↓

CAS号:
7790-22-9
分子式:
H6ILiO3
分子量:
187.89100
中文名称:
碘化锂三水合物
英文名称:
lithium,iodide,trihydrate
中文别名:
碘化锂三水合物;
碘化锂(三水)
英文别名:
lithium,iodide,trihydrate;
LithoTab trihydrate iodide;
Lithium iodide trihydrate;
UNII-PS8215OJNR
精确分子量/精确质量:
187.95200
极性分子表面积/PSA:
27.69000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
InChI:
InChI=1/HI.Li.3H2O/h1H;;3*1H2/q;+1;;;/p-1

生产制备方法及用途展开↓

制备方法


1.将碳酸锂投入烧瓶中,加水,水量按生成的三水合物过量10%~15%计算,烧瓶放在冰浴中冷却,同时通入碘化氢气体,当碳酸锂全部溶解时,即到达反应终点。此时溶液为酸性,可加入少量碳酸锂中和,用pH试纸试之为中性。过滤,收集滤液在蒸馏瓶中,装好冷凝器,蒸馏出一定量的水分,将浓缩液倾入事先涂复硅酮油、用布充分擦干净的蒸发皿中,放在干燥器中冷却,即有三水合碘化锂的白色结晶析出。较稳定。 2.如欲制取无水碘化锂,可在惰性气体中加热到300℃,三水合物失水而得。

合成制备方法


1.将碳酸锂投入烧瓶中,加水,水量按生成的三水合物过量10%~15%计算,烧瓶放在冰浴中冷却,同时通入碘化氢气体,当碳酸锂全部溶解时,即到达反应终点。此时溶液为酸性,可加入少量碳酸锂中和,用pH试纸试之为中性。过滤,收集滤液在蒸馏瓶中,装好冷凝器,蒸馏出一定量的水分,将浓缩液倾入事先涂复硅酮油、用布充分擦干净的蒸发皿中,放在干燥器中冷却,即有三水合碘化锂的白色结晶析出。较稳定。

2.如欲制取无水碘化锂,可在惰性气体中加热到300℃,三水合物失水而得。

用途简介


物化性质展开↓

外观与性状:
白色吸湿的晶体
密度:
3.49
熔点:
73 °C(lit.)
沸点:
1171 °C
其它信息:

1.性状:性质无水碘化锂为无色结晶粉末,立方晶系,易吸潮而分解

2.相对密度(25℃):4.063

3.溶点(℃):446

3.沸点(℃):1190

4.溶解性:溶于水而成三水合物。溶于乙醇。三水合物在70.5℃时溶于结晶水,75~80℃转变成二水合物,80℃以上到120℃失去二个结晶水而成一水合物,300℃以上成为无水物。

安全信息展开↓

WGK_Germany:
1
德国有关水污染物质的分类清单
安全说明:
S22-S24/25
安全标志:
S22:不要吸入粉尘。
S24/25:防止皮肤和眼睛接触。

MSDS 展开↓

Name: Lithium Iodide Trihydrate 99% Material Safety Data Sheet
Synonym:
CAS: 7790-22-9
Section 1 - Chemical Product   MSDS Name:Lithium Iodide Trihydrate 99% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7790-22-9 Lithium Iodide Trihydrate 99 unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Light sensitive.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation. The toxicological properties of this material have not been fully investigated.
Skin:
May cause skin irritation. The toxicological properties of this material have not been fully investigated.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed.
Avoid ingestion and inhalation.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 7790-22-9: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Crystals
Color: white-light yellow
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 1171 deg C @ 760.00mmHg
Freezing/Melting Point: 73 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: freely soluble in acetone
Specific Gravity/Density:
Molecular Formula: ILi.3H2O
Molecular Weight: 187.89

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, hydrogen iodide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 7790-22-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Lithium Iodide Trihydrate - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7790-22-9: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 7790-22-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7790-22-9 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).


SECTION 16 - ADDITIONAL INFORMATION
N/A

分子结构与计算化学数据展开↓

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:3

3.氢键受体数量:4

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3

7.重原子数量:5

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:5

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