barium(2+) ion dioxidanediide

• ChemBase编号: 126033
• 分子式: BaO2
• 平均质量: 169.3258
• 单一同位素质量: 169.89507624
• SMILES: [Ba+2].[O-][O-]
• Canonical SMILES: [O-][O-].[Ba+2]
• InChI: InChI=1S/Ba.O2/c;1-2/q+2;-2
• InChIKey: ZJRXSAYFZMGQFP-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: barium(2+) ion dioxidanediide
• IUPAC传统名: barium(2+) ion peroxide
• 别名: 过氧化钡, 无水, tech.; 过氧化钡; Barium peroxide, anhydrous; Barium peroxide; Barium binoxide; Barium dioxide; Barium peroxide

登记号

• CAS号: 1304-29-6
• EC号: 215-128-4
• MDL号: MFCD00003454
• 默克索引号: 14989
• PubChem SID: 24847163; 24858712; 24847364
• PubChem CID: 14773
• Chemspider ID: 14090
• 维基百科标题: Barium_peroxide

理论计算性质

• Acid pKa: 11.520607
• 质子受体: 2
• 质子供体: 0
• LogD (pH = 5.5): -0.44720283
• LogD (pH = 7.4): -0.44723517
• Log P: -0.4472024
• 摩尔折射率: 2.8858 cm^3
• 极化性: 1.6641 Å^3
• 极化表面积: 46.12 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: insoluble in water; Insoluble in water
• 外观: Grey-white crystalline solid; powder; Powder
• 熔点: 450 °C (723 K); 450°C dec.
• 沸点: 800 °C (1073 K) (decomp. to BaO & O₂.)
• 密度: 4.96; 5.68 g/cm^3

安全信息

• 保存注意事项: Moisture Sensitive
• RTECS编号: CR0175000
• 欧盟危险性物质标志: Harmful (Xn); 氧化性(Oxidising) (O); Oxidant (O); X; 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1449; UN1449
• 德国WGK号: 3
• 联合国危险货物等级: 5.1
• 联合国危险货物包装类别(PG): 2; II
• 危险公开号: 8-20/22; R8, R20/22
• 安全公开号: 13-24/25-27; 13-27; S2, S13, S27
• TSCA收录: 是
• 欧盟危险品索引: 056-001-00-1
• GHS危险品标识: GHS03; GHS06; GHS07
• GHS警示词: Danger
• NFPA704:
  

  0

  2

  2

  ox
• GHS危险声明: H272-H301-H331; H272-H302-H332
• GHS警示性声明: P220; P221-P210-P301+P310-P321-P405-P501A
• 个人保护装置: dust mask type N95 (US), 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, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 1449 5.1/PG 2

产品相关信息

• 纯度: ≥93.0% (RT); ≥95% peroxide (as BaO2) basis; 84% min; 95%
• 级别: purum p.a.
• 颗粒大小: -325 mesh
• 杂质: ≤0.01% heavy metals (as Pb); ≤0.5% insoluble in HCl; ≤1% substances not precipitated by H2SO4 (as SO4)
• 痕量阳离子: Ca: ≤500 mg/kg; Cd: ≤50 mg/kg; Co: ≤50 mg/kg; Cu: ≤50 mg/kg; Fe: ≤50 mg/kg; K: ≤100 mg/kg; Na: ≤100 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Sr: ≤5%; Zn: ≤500 mg/kg
• 痕量阴离子: chloride (Cl-): ≤100 mg/kg; chloride (Cl-): ≤500 mg/kg
• 干燥失重: ≤1% loss on drying, 105 °C
• Empirical Formula (Hill Notation): BaO2

详细说明

Sigma Aldrich - 309125

包装
25 g in glass bottle