Lithium fluoride 氟化锂

CAS 7789-24-4 MFCD00011090

化学结构图

7789-24-4
SMILES: [F-].[Li+]

化学属性

Mol. FormulaLiF
Mol. Weight25.94
Boiling Point1673 °C/1 atm(lit.)
Density2.64 g/mL at 25 °C(lit.)
Melting Point845 °C(lit.)
Refractive index1.3915
TSCAYes
SolubilitySoluble in water and in acids
Flash Point1680°C
Appearance random crystals

别名和识别编码

Chemical NameLithium fluoride
Synonym Fluorolithium LITHIUM FLUORIDE LiF Lithium Fluoride {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
CAS Number7789-24-4
PubChem Substance ID224478
EC Number232-152-0
MDL NumberMFCD00011090
Merck Number14,5531
Chemical Name Translation氟化锂
Wiswesser Line NotationLI F
LabNetwork Molecule IDLN00198575
InChIInChI=1S/FH.Li/h1H;/q;+1/p-1
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分类

  • {SNA} Chemical Synthesis,
  • {SNA} Crystal Grade Inorganics, Essential Chemicals, Lithium, Lithium Fluoride (LiF), Lithium Salts, Materials Science, Materials for Buffer Layer, Metal and Ceramic Science, Organic Photovoltaic (OPV) Materials, Organic and Printed Electronics, Research Essentials, Salts
  • {SNA}
  • {SNA} Crystal Grade Inorganics, Essential Chemicals, Lithium, Lithium Fluoride (LiF), Lithium Salts, Materials for Buffer Layer, Metal and Ceramic Science, Organic Photovoltaic (OPV) Materials, Organic and Printed Electronics, Research Essentials, Salts, 材料科学
  • {SNA} Essential Chemicals,

产品应用

  • 用于制造分光计和X射线单色仪的棱镜,用作增殖反应的载体。

相关文献及参考

  • Merck: 14,5531
  • Short: II/24A
  • Short: II/24C
  • Source of fluoride ion in nucleophilic displacement of other halides and as a mild base; compare Potassium fluoride, 14130. For a review of alkali metal fluorides in organic synthesis, see: Synthesis, 169 (1983).

安全信息

GHS Symbol
WGK Germany2
Hazard Codes T
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H301 Toxic if swallowed 吞食有毒
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Personal Protective Equipment Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Precautionary statements
  • P301+P310
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P305+P351+P338
  • P301+P310+P330
  • P337+P313
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
Signal word Danger
UN Number UN3288 3288 UN 3288 6.1/PG 3
Risk Statements
  • R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入,皮肤接触及吞食都有毒
  • R25 Toxic if swallowed 吞咽有毒
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R32 Contact with acids liberates very toxic gas 与酸接触释放出毒性很高的气体
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S22 Do not breathe dust 不要吸入粉尘;
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
  • S20 When using do not eat or drink 使用时,不得进食,饮水;
Storage condition Hygroscopic N/A N/A℃ No Data Available 阴凉处保存。
RTECSOJ6125000
Packing GroupIII
Hazard Class6.1
Warnings 危化品目录(2015)
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Amphibian - frog
DOSE/DURATION           : 280 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses
   Filiales.  (SPPIF, B.P.22, F-41353 Vineuil, France)  V.1-    1849-
   Volume(issue)/page/year: 124,133,1937

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals",
   11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year:
   11,871,1989

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 143 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 40,329,1977

Restrict 危险品

其他信息

  • 储运特性:库房通风低温干燥; 与食品分开储运
  • 图谱信息:氟化锂(7789-24-4)红外图谱(IR1)
  • 有毒1100-1200度挥发,能溶于酸,难溶于水,不溶于醇,与氢氟酸HF生成氟化锂(LiHF2),与氢氧化锂生成氟化锂复盐(LiF·LiOH)。
  • 灭火剂:水, 砂土
  • Acros Organics:氟化锂 Lithium fluoride, for analysis, 97%(7789-24-4)
  • Hazard Note:Toxic
  • 上游原料:氢氟酸 --> 碳酸锂
  • 用途四:用于制造分光计和X射线单色仪的棱镜,用作增殖反应的载体。
  • 类别:有毒物品
  • 参考质量标准:参考标准 指标名称 企业标准 氟化锂(LiF)/%≥ 99 二氧化硅(SiO2)/%≤ 0.05 铁(Fe)/%≤ 0.005 硫酸盐(以SO4计)/%≤ 0.05 氯(C1)/%≤ 0.005 钙(Ca)/%≤ 0.1 铝(Al)/%≤ 0.01 镁(Mg)/%≤ 0.01
  • 敏感性:Hygroscopic
  • F:10-21
  • 急性毒性:口服-大鼠 LD50: 143 毫克/公斤
  • 水中溶解度(g/100ml):每100毫升水中的溶解克数: 0.16g/20℃
  • 用途三:氟化锂可作为助溶剂广泛用于搪玻璃、铜、铝焊接过程中和盐熔化学工艺中;也被推荐作为航天技术贮存太阳辐射热能的载热剂;还可用于铝的电解和冶金工业中。高纯氟化锂用于制氟化玻璃,也可用于制作分光计和X射线单色仪的棱镜。锂离子电池原料。
  • 毒性:本品为有毒无机品。危险编号83018。
  • MOL 文件:7789-24-4.mol
  • 用途二:用作铝电解和稀土电解的添加剂、光学玻璃制造、干燥剂、助熔剂等
  • 方法一:有中和法和复分解法两种方法。工业生产多采用中和法。 中和法是以碳酸锂或氢氧化锂与氢氟酸反应制备氟化锂。其 Li2CO3+2HF=2LiF+CO2+H2O 将固体碳酸锂加入氟化氢溶液中,使之反应析出LiF结晶,经过滤,干燥即得产品。
  • 海关编码:28261900
  • Alfa Aesar:氟化锂,Puratronic|r,99.99%(metalsbasis) Lithium fluoride, Puratronic, 99.99% (metals basis)(7789-24-4)
  • 用途一:用作干燥剂和助熔剂,也用于光学玻璃的制造
  • 毒性分级:高毒
  • 氟化锂价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 80074528 氟化锂 500g 152元 2010/06/21 193380250 氟化锂 Lithium fluoride 99.98%, extra pure 25 GR 3014元 2010/06/21 193380050 氟化锂 Lithium fluoride 99.98%, extra pure 5 GR 749元
  • Sigma Aldrich:7789-24-4(sigmaaldrich)
  • 职业标准:TLV-TWA 2.5 毫克 (氟)/立方米; STEL 5 毫克 (氟)/立方米
  • MSDS 信息:氟化锂(7789-24-4).msds
  • 可燃性危险特性:不可燃烧; 火场产生有毒含氧化锂, 氟化物烟雾;
  • 外观性质:白色粉末或立方晶体。

系列性分类


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