[(hydroxydioxochromio)oxy]chromiumoylol diamine

• ChemBase编号: 149168
• 分子式: Cr2H8N2O7
• 平均质量: 252.06492
• 单一同位素质量: 251.91416561
• SMILES: N.N.O[Cr](=O)(=O)O[Cr](=O)(=O)O
• Canonical SMILES: O[Cr](=O)(=O)O[Cr](=O)(=O)O.N.N
• InChI: InChI=1S/2Cr.2H3N.2H2O.5O/h;;2*1H3;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2
• InChIKey: XAQCJVGGJJFLPP-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: [(hydroxydioxochromio)oxy]chromiumoylol diamine
• IUPAC传统名: dichromic acid diamine
• 别名: 红矾铵; 重铬酸铵; Ammonium bichromate; Ammonium dichromate

登记号

• CAS号: 7789-09-5
• EC号: 232-143-1
• MDL号: MFCD00010879
• PubChem SID: 24865123; 24846395; 24868535; 162243336
• PubChem CID: 16211154

理论计算性质

• Acid pKa: -2.30103
• 质子受体: 6
• 质子供体: 2
• LogD (pH = 5.5): -8.234395
• LogD (pH = 7.4): -8.2344
• Log P: -3.7068
• 摩尔折射率: 12.251 cm^3
• 极化性: 11.788091 Å^3
• 极化表面积: 117.97 Å^2
• 可自由旋转的化学键: 2
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: H2O: soluble1 M at 20 °C, clear, colorless
• 外观: crystalline; powder
• 熔点: 170 °C (dec.)(lit.)
• 蒸汽密度: 8.7 (vs air)
• pH值: 3.0-4.0 (25 °C, 1 M in H2O); 3.0-4.0 (25 °C, 50 mg/mL in H2O)

安全信息

• RTECS编号: HX7650000
• 欧盟危险性物质标志: 爆炸性(Explosive) (E); 环境危害性(Nature polluting) (N); 剧毒(Highly toxic) (T+)
• 联合国危险货物编号: 1439
• 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
• 危险公开号: 45-46-60-61-2-8-21.1-25.1-26.1-34-42/43-48/23.1-50/53; 45-46-60-61-2-8-21-25-26-34-42/43-48/23-50/53
• 安全公开号: 53.1-45-60-61; 53-45-60-61
• GHS危险品标识: GHS03; GHS05; GHS06; GHS08; GHS09
• GHS警示词: Danger
• GHS危险声明: H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
• GHS警示性声明: P201-P220-P260-P273-P280-P284
• 个人保护装置: dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges; 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
• RID/ADR: UN 1439 5.1/PG 2

产品相关信息

• 纯度: ≥97.0%; ≥97.0% (RT); ≥98.5%; ≥99.5%; 99%; 99.999% trace metals basis
• 级别: ACS reagent; purum p.a.; ReagentPlus®; SAJ first grade; technical
• 杂质: ≤0.005% insolubles; insoluble matter, passes filter test
• 痕量阳离子: Ca: ≤0.002%; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤20 mg/kg; Co: ≤50 mg/kg; Cu: ≤20 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.002%; Fe: ≤20 mg/kg; Fe: ≤50 mg/kg; K: ≤2000 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤0.005%; Na: ≤50 mg/kg; Na: ≤500 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.005%; chloride (Cl-): ≤200 mg/kg; chloride (Cl-): ≤500 mg/kg; sulfate (SO42-): ≤0.01%; sulfate (SO42-): ≤200 mg/kg; sulfate (SO42-): ≤500 mg/kg
• 干燥失重: ≤3% loss on drying; ≤3.0% loss on drying; 0.5-3% loss on drying, 105 °C, 4 h
• 品质说明: phlegmatized with 0,5-3 % water
• 产品线: BioUltra
• 线性分子式: (NH4)2Cr2O7

详细说明

Sigma Aldrich - 450138

包装
25 g in poly bottle

Sigma Aldrich - 402826

包装
100, 500 g in poly bottle

Sigma Aldrich - 224812

包装
500 g in poly bottle
法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC