barium

• ChemBase编号: 109659
• 分子式: Ba
• 平均质量: 137.327
• 单一同位素质量: 137.905247
• SMILES: [Ba]
• Canonical SMILES: [Ba]
• InChI: InChI=1S/Ba
• InChIKey: DSAJWYNOEDNPEQ-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: barium; barium dihydride
• IUPAC传统名: barium; barium dihydride
• 别名: 钡,油基标准溶液, Specpure®, Ba 1000®g/g; 钡,等离子标准溶液, Specpure®, Ba 1000®g/ml; 固态树状钡晶体; 钡,等离子标准溶液, Specpure®, Ba 10,000®g/ml; 钡, AAS标准溶液, Specpure®, Ba 1000 μg/ml; 钡片, 2.5cm (1in) 或更小; 钡 ICP 标准液; 硝酸钡 溶液; 钡 IC 标准液; 钡; 钡棒, 22mm (0.9in) 直径 x 450mm (17.7in); 钡, 油基标准溶液, Specpure®, Ba 5000μg/g; 钡棒, 22mm (0.9in) 直径; Barium, Oil based standard solution, Specpure®, Ba 1000 g/g; Barium, plasma standard solution, Specpure®, Ba 1000 g/ml; Barium crystalline dendritic solid; Barium, plasma standard solution, Specpure®, Ba 10,000 g/ml; Barium, AAS standard solution, Specpure®, Ba 1000 g/ml; Barium pieces, 2.5cm (1in) & down; BARIUM; Barium standard for ICP; Barium nitrate solution; Barium standard for IC; Barium; Barium rod, 22mm (0.9in) dia x 450mm (17.7in); Barium, Oil based standard solution, Specpure®, Ba 5000 g/g; Barium rod, 22mm (0.9in) dia

登记号

• CAS号: 7440-39-3; 10022-31-8
• EC号: 231-714-2; 231-149-1; 231-791-2
• MDL号: MFCD00134031
• PubChem SID: 24871038; 162096299; 24854216; 24867709; 24881555; 24865182; 24850310; 24847318
• PubChem CID: 5355457

理论计算性质

• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): -0.852
• LogD (pH = 7.4): -0.852
• Log P: -0.852
• 摩尔折射率: 1.6 cm^3
• 极化性: 6.491374 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: ≈630g/rod, Packaged under argon; ≈7.3cm/100g, Packaged under argon; Ampouled under argon; dendritic pieces; Liquid; Packaged in oil; pieces; rod
• 熔点: 725 °C(lit.)
• 沸点: 1640 °C(lit.)
• 密度: 3.6 g/mL at 25 °C(lit.)
• 电阻率: 50.0 μΩ-cm, 20°C

安全信息

• RTECS编号: CQ8370000
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); 易燃性(Flammable) (F); X; 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1400; UN1400; UN3264
• 德国WGK号: 3; nwg
• 联合国危险货物等级: 4.3; 8
• 联合国危险货物包装类别(PG): 2; II; III
• 危险公开号: 11-14/15; 14/15-36/37/38; 20/22-34; 34; R:20/22
• 安全公开号: 16-26-36/37-43; 23-26-36/37/39-45; 7/8-30-43; 9-20-23-26-36/37/39-45-60; S:28
• TSCA收录: 否; 是
• GHS危险品标识: GHS02; GHS05; GHS07
• GHS警示词: Danger
• GHS危险声明: H228-H261; H261-H315-H319-H335; H314
• GHS警示性声明: P210-P231+P232-P241-P370+P378A-P402+P404-P501A; P231 + P232-P261-P305 + P351 + P338-P422; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• 个人保护装置: Eyeshields, 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, Gloves
• RID/ADR: UN 1400 4.3/PG 2

产品相关信息

• 纯度: ≥99% trace metals basis; 99%; 99% trace metals basis; 99.2% (metals basis), Sr ≤0.8%; 99.9% (metals basis); 99.9% trace metals basis; 99.99% trace metals basis; 99+% (metals basis), Sr ≤0.8%
• 浓度: 1.000 g/L; 1.000 g/L Ba; in H2O
• 级别: for ICP
• 颗粒大小: 1 cm
• 杂质: ≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate; 0.5% strontium
• 有效期: (limited shelf life, expiry date on the label)
• 提纯方法: distillation
• 直径: ~2 cm
• Empirical Formula (Hill Notation): Ba

详细说明

Sigma Aldrich - 595101

包装
10 g in poly bottle
Application
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activationReactant for cynthesis of heterobimetallic alkaline earth complexesCommonly used for medicinal purposes, particularly for visualization of the gastrointestinal tractReactant involved in:
• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles
用于合成纯净的 Ba21M2O5HX（M = Ge、SI、Ga、In、Tl）低氧化物 Zintl 相的重要物质。···3

Sigma Aldrich - 403334

包装
10 g in poly bottle
Application
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activationReactant for synthesis of heterobimetallic alkaline earth complexesCommonly used for medicinal purposes, particularly for visualization of the gastrointestinal tractReactant involved in:
• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles
用于合成纯净的 Ba21M2O5HX（M = Ge、SI、Ga、In、Tl）低氧化物 Zintl 相的重要物质。···3

Sigma Aldrich - 474711

Application
形成石墨纳米丝的催化剂。1
用于合成纯净的 Ba21M2O5HX（M = Ge、SI、Ga、In、Tl）低氧化物 Zintl 相的重要物质。···3
包装
5, 25 g in ampule

Sigma Aldrich - 237094

包装
25 g in poly bottle
Application
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activationReactant for synthesis of heterobimetallic alkaline earth complexesCommonly used for medicinal purposes, particularly for visualization of the gastrointestinal tractReactant involved in:
• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles
用于合成纯净的 Ba21M2O5HX（M = Ge、SI、Ga、In、Tl）低氧化物 Zintl 相的重要物质。···3

Sigma Aldrich - 441880

Application
形成石墨纳米丝的催化剂。1
用于合成纯净的 Ba21M2O5HX（M = Ge、SI、Ga、In、Tl）低氧化物 Zintl 相的重要物质。···3
包装
5, 25 g in ampule

Sigma Aldrich - 17056

Preparation Note
用 Ba(NO3)2 和 H2O 制备。

Sigma Aldrich - 11719

General description
经 0.45μm 膜过滤
Preparation Note
用 Ba(NO3)2 和 H2O 制备。