methyllithium

• ChemBase编号: 128383
• 分子式: CH3Li
• 平均质量: 21.97552
• 单一同位素质量: 22.03947965
• SMILES: [Li]C
• Canonical SMILES: [Li]C
• InChI: InChI=1S/CH3.Li/h1H3
• InChIKey: DVSDBMFJEQPWNO-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: methyllithium
• IUPAC传统名: LiMe; methyllithium
• 别名: 甲基锂, 1-2M乙醚溶液; 甲基锂 溶液; 甲基锂, 1-2M 乙醚溶液, 氩气下可重封的ChemSeal™瓶包装; MeLi; Methyllithium solution; Lithium methanide; Methyllithium; Methyllithium, 1-2M in ether

登记号

• CAS号: 917-54-4
• EC号: 213-026-4
• MDL号: MFCD00008253
• Beilstein号: 3587162
• PubChem SID: 24873753; 24851824; 24885367; 162222691
• PubChem CID: 2724049
• CHEBI ID: 51486
• Chemspider ID: 10254338
• Gmelin ID: 288
• 维基百科标题: Methyllithium

理论计算性质

• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): 0.243
• LogD (pH = 7.4): 0.243
• Log P: 0.243
• 摩尔折射率: 5.5491 cm^3
• 极化性: 3.84631 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

• 外观: Liquid
• 闪点: 1 °F; 1.4 °F; -11 °C; 12.2 °F; -15 °C; -17 °C; -17°C(1°F); 19.4 °F; 5 °F; -7 °C
• 密度: 0.70 g/mL at 20 °C; 0.732; 0.732 g/mL at 25 °C; 0.846 g/mL at 25 °C; 0.85 g/mL at 20 °C; 0.860 g/mL at 25 °C
• 蒸汽密度: 3 (vs air)

安全信息

• 保存注意事项: Air & Moisture Sensitive
• 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+); 环境危害性(Nature polluting) (N); X; 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 3394; 3399; UN3394
• 德国WGK号: 1; 2
• 联合国危险货物等级: 4.2; 4.3
• 联合国危险货物包装类别(PG): 1; I
• 危险公开号: 11-14/15-19-34-37-51/53-65; 11-15-19-22-36/38-66-67; 11-15-36/37/38; 11-19-36/37-51/53-65; 12-14/15-17-22-34-66-67; 12-15-17-22-34-66-67
• 安全公开号: 16-26-30-36/37/39-43.11-45; 16-26-36/37/39-43-45; 16-26-36/37/39-43-45-60-61; 16-26-43; 16-26-61-62
• TSCA收录: 是
• GHS危险品标识: GHS02; GHS05; GHS07; GHS08; GHS09
• GHS警示词: Danger
• GHS危险声明: H224-H250-H260-H252-H314-H318-H302-H336; H225-H250-H260-H302-H314-H336; H225-H250-H260-H304-H315-H318-H335-H411; H225-H250-H260-H314-H335; H225-H260-H304-H314-H335-H411
• GHS警示性声明: P210-P222-P223-P231 + P232-P370 + P378-P422; P210-P223-P231 + P232-P261-P370 + P378-P422; P210-P280-P305+P351+P338-P309-P310-P402+P404
• 个人保护装置: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 3394 4.2/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.; May form explosive peroxides., Repeated exposure may cause skin dryness or cracking.
• 保存温度: 2-8°C

产品相关信息

• 浓度: ~1 M in cumene/THF; ~5% in diethyl ether (~1.6M); 1.6 M in diethyl ether; 1-2M in ether; 3% in 2-Methyltetrahydrofuran/cumene; 3.0 M in diethoxymethane
• 级别: purum
• 主要成分: halide, ~0.05 M
• 包装: packaged under Argon in resealable ChemSeal? bottles
• Empirical Formula (Hill Notation): CH3Li

详细说明

Sigma Aldrich - 514330

包装
1 L in Sure/Seal™
4×25, 100 mL in Sure/Seal™

Sigma Aldrich - 197343

包装
1 L in Sure/Seal™
View returnable container options.
4×25, 50, 100, 800 mL in Sure/Seal™
8, 18 L in Kilo-Lab™

Sigma Aldrich - 710873

包装
100 mL in glass bottle

Sigma Aldrich - 67740

Caution
微浊；可能含有沉淀
Other Notes
改进由羧酸制备甲基酮类化合物的方法1