• 柠檬酸氢二铵

  • 产品编号:14895
    CAS号:3012-65-5
  • 别名:2-羟基-1,2,3-丙三羧酸二铵盐;柠檬酸氢铵;二碱式柠檬酸铵;枸椽酸氢二铵 分子式:C6H14N2O7 分子量:226.19
  • 订货编号
  • 规格
  • 包装
  • 单价
  • 优惠价
  • COA
  • 数量
  • A14895-500g
  • AR
  • 500g
  • 55.00
  • B14895-500g
  • CP
  • 500g
  • 47.00
  • A14895-500g
  • ACS
  • 500g
  • 185.00
  • B14895-500g
  • AR,98%
  • 500g
  • 77.00

化学性质

密度  1.22 g/mL at 20 °C
vapor density  1.8 (vs air)
储存条件  Store at RT.
溶解度  H2O: 1 M at 20 °C, clear, colorless
Merck  14,512
熔点  185 °C (dec.)(lit.)
沸点  100 °C(lit.)

质量标准

AR / CP

HG/T 3-1465-82
项目Item                                                                          分析纯          化学纯
                                                                                          (AR)               (CP)
含量(C6H4O7N2)Assay,%                                            ≥99.0           98.0
氯化物(Cl)Chloride,%                                                     ≤0.001         0.002
硫化合物(以SO4计)Sulfur compounds,%                    ≤0.005          0.01
磷化合物(以PO4计)Phosphours compounds,%          ≤0.002         0.005
草酸盐(C2O4)Oxalate                                                    合格                  --
钙(Ca)Calcium,%                                                            ≤0.005          0.02
铁(Fe)Iron,%                                                                    ≤0.0005        0.002
重金属(以Pb计)Heavy metals,%                                   ≤0.0005        0.001
澄清度试验Clarity                                                           合格                合格
水不溶物Insoluble matter in water,%                             ≤0.005         0.01
灼烧残渣(以硫酸盐计)Ignition residue,%                      ≤0.03           0.06

项目名称Item                                                       ACS Grade
含量[((NH4)2HC6H5O7)]Assay                           98.0-103.0%
重金属(以Pb计)Heavy metals(as Pb)                  ≤0.00005%
铁(Fe)Iron(Fe)                                                         ≤0.00002%
草酸盐(C2O4)Oxalate                                           Passes test
磷酸盐(PO4)Phosphate                                        ≤5ppm
硫化合物(以SO4计)Sulfur compounds                ≤0.005%
水不溶物Insoluble matter                                      ≤0.005%
灼烧残渣Residue after ignition                            ≤0.005%
氯化物(Cl)Chloride(Cl)                                          ≤0.0001%

危险性质

安全说明  26-36
危险品运输编号  UN 9087
WGK Germany  3
RTECS  GE7545000
F  8
危险品标志  Xi
危险类别码  36/37/38-36/37

用途及存储

用作分析试剂和缓冲剂

密封保存

相关资料

  • 柠檬酸氢二铵技术资料

    分子式:226.18 CAS号:3012-65-5

  • 柠檬黄制法/工艺

    由双羟基酒石酸与 苯肼 对磺酸缩合,或 对氨基苯磺酸 经重氮化后与1-(4’-磺基苯)-3-羧基-5-吡唑酮偶合,经氯化钠盐析后精制而得。 本品 以上资料由 西亚试剂 : 化学品数据库...2017-11-30 详情>>

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