lithium(1+) ion boranuide

• ChemBase编号: 104255
• 分子式: BLi
• 平均质量: 17.752
• 单一同位素质量: 18.02530995
• SMILES: [Li+].[BH3-]
• Canonical SMILES: [Li+].[BH3-]
• InChI: InChI=1S/BH4.Li/h1H4;/q-1;+1
• InChIKey: UUKMSDRCXNLYOO-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: lithium(1+) ion boranuide
• IUPAC传统名: LithoTab borohydride; lithium(1+) ion boranuide
• 别名: 硼氢化锂 溶液; 硼氢化锂; Lithium tetrahydridoborate; Lithium borohydride solution; LITHIUM BOROHYDRIDE; Lithium hydroborate; Lithium tetrahydroborate; Borate(1-), tetrahydro-, lithium; lithium boranate; Lithium borohydride

登记号

• CAS号: 16949-15-8
• EC号: 241-021-7
• MDL号: MFCD00011088
• 默克索引号: 145525
• PubChem SID: 24853325; 162091724; 24853783; 24882219
• PubChem CID: 4148881; 20722760
• Chemspider ID: 55732
• 维基百科标题: Lithium_borohydride

理论计算性质

• Acid pKa: 3.09
• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0
• Log P: 0.0
• 摩尔折射率: 0.0 cm^3
• 极化性: 1.7969184 Å^3
• 极化表面积: 0.0 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: 2.5 g/100 mL in ether; reacts in water; Soluble in ether, THF, and aliphatic amines
• 外观: Powder; White solid
• 熔点: 275 °C; 275 °C (dec.); 275-279 °C (527-534 °F). Decomposes slowly at melting point.; ca 280°C dec.
• 沸点: 278 °C (532 °F); 380 °C (decomp)
• 闪点: -.4 °F; -18 °C; -40 °C; -40 °F
• 自燃点: > 180 °C; Greater than 180 °C (356 °F)
• 密度: 0.66; 0.66 (water = 1); 0.666 g/cm^3; 0.666 g/mL at 25 °C(lit.); 0.719 g/mL at 25 °C; 0.896 g/mL at 25 °C
• 蒸汽压: Essentially zero
• 热容: 3.792 J/g K
• 标准摩尔生成焓 (ΔfH^o298): -8.759 kJ/g

安全信息

• 保存条件: Room Temperature (15-30°C), Desiccate, Store Under Nitrogen
• 保存注意事项: Moisture Sensitive
• RTECS编号: ED2725000
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); 易燃性(Flammable) (F); 高度易燃性(Highly flammable) (F+); 有毒(Toxic) (T); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1413; 3399; UN1413
• 德国WGK号: 1; 2
• 联合国危险货物等级: 4.3
• 联合国危险货物包装类别(PG): 1; I
• 危险公开号: 11-14/15-19-20/21/22-36/37/38; 12-19-22-66-67; 14/15-23/24/25-34; R:14/15-34
• 安全公开号: 16; 16-26-36/37-43; 26-36/37/39-43-45; S:8-45
• 欧盟危险货物分类: W2
• 欧盟危险识别号(EUHIN): 4.3
• 美国ERG指导号: 138
• TSCA收录: 是
• GHS危险品标识: GHS02; GHS05; GHS06; GHS07
• GHS警示词: Danger
• GHS危险声明: H224-H302-H315-H319-H336; H225-H260-H302-H314-H332-H335; H260-H301-H311-H314-H331; H260-H301-H311-H331-H314-H318
• GHS警示性声明: P210-P223-P231 + P232-P261-P370 + P378-P422; P210-P261-P305 + P351 + P338; P223-P231 + P232-P261-P280-P370 + P378-P422; P280-P303+P361+P353-P305+P351+P338-P310-P370+P378I-P402+P404
• 个人保护装置: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1413 4.3/PG 1; UN 3399 4.3/PG 1
• 欧盟补充危害声明: May form explosive peroxides.; May form explosive peroxides., Reacts violently with water.; Reacts violently with water.

产品相关信息

• 纯度: ≥90%; ≥95.0%; 95%
• 浓度: 0.5 M in diethyl ether; 2.0 M in THF
• 级别: hydrogen-storage grade
• 线性分子式: LiBH4

详细说明

Sigma Aldrich - 230200

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
包装
4×10, 4×25, 100, 800 mL in Sure/Seal™
Application
Reactant for:
• Preparation of gallium, indium, rhenium and zinc tris(mercaptoimidazolyl)hydroborato complexes1
• Mechano-chemical metathesis reactions2
• Noncatalytic hydrolysis for hydrogen generation3
• Growth of large gold monolayer protected-clusters4
• Anion substitution reactions5
• Dehydrogenation reactions6

Sigma Aldrich - 702714

Application
材料静置时可形成沉淀，但不影响使用。
Reactant for:
• Preparation of gallium, indium, rhenium and zinc tris(mercaptoimidazolyl)hydroborato complexes1
• Mechano-chemical metathesis reactions2
• Noncatalytic hydrolysis for hydrogen generation3
• Growth of large gold monolayer protected-clusters4
• Anion substitution reactions5
• Dehydrogenation reactions6
包装
100, 800 mL in Sure/Seal™

Sigma Aldrich - 686026

Analysis Note
可按要求提供氢含量、XRD 谱图和金属纯度数据。
包装
10 g in glass bottle
Protocols & Applications
Metal Borohydrides as Hydrogen Storage Materials
Complex Hydrides: A New Category of Solid-state Lithium Fast-ion Conductors
Boron-based Hydrogen Storage

Sigma Aldrich - 222356

包装
1 g in glass bottle
10, 50 g in poly bottle
Application
用于醛、酮、酰基氯、内酯、环氧化物和酯的多功能还原剂。1用于 2H-WS2 的锂化反应，生成高产量的剥离型 WS2，并为新型嵌入化合物和纳米复合材料开辟道路。2

Sigma Aldrich - 62460

Other Notes
综述1；酯的平稳还原反应2,3；用 LiBH4/Me3SiCl4 还原酸及其他官能团
包装
5 g in glass bottle

参考文献

• Versatile reducing agent showing significant and useful differences from sodium borohydride. Review: Tetrahedron, 35, 567 (1979). For use in reduction of esters, see: J. Org. Chem., 47, 1604 (1982).
• The combination of LiBH₄ and TMS chloride is a versatile, powerful reducing agent, which will reduce carboxylic acids, amino acids, amides, nitriles, etc: Angew. Chem. Int. Ed., 28, 218 (1989).
• Useful catalyst, in acetonitrile, for conversion of acid-sensitive aldehydes to 1,3-oxathiolanes and 1,3-dithiolanes: Synlett, 238 (2001).
• Monograph: J. Seyden-Penne, Reductions by the Alumino- and Borohydrides In Organic Synthesis, 2nd ed., Wiley, N.Y. (1997).