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草酸,6153-56-6,Oxalic acid dihydrate

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草酸,6153-56-6,Oxalic acid dihydrate
无色单斜片状或棱柱体结晶或白色粉末。在温热、干燥空气中风化,可溶于水及乙醇。无气味。150-160℃升华。在高热干燥空气中能风化。1g溶于7ml水、2ml沸水、2.5ml乙醇、1.8ml沸乙醇、5.5ml甘油,不溶于苯、氯仿和石油醚。0.1mol/L溶液的pH值为1.3。低毒,半数致死量(兔,经皮)2000mg/kg。

 

草酸

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Oxalic acid dihydrate
Cas  号: 【6153-56-6】 M  D L: MFCD00149102
分子式: C2H2O4·2H2O;HO2CCO2H·2H2O 分子量: 126.07
别    名: 乙二酸,蓚酸
Ethanedioic acid
   
         草酸,6153-56-6,Oxalic acid dihydrate分子结构式:  
 
订货信息:  
 
货号 品名 规格 包装 单价
  草酸 AR 500g 17元
  草酸 CP 500g 15元
  草酸 GR 500g 23元
  草酸 GR 5Kg 210元
  草酸 SP 25g 65元
  草酸 4N 25g 65元
  草酸 ACS 500g 35元
  草酸 GCS,≥99.6% 5g 26元
  草酸 ≥99.998% (metals basis) 5g 100元
  草酸 ≥99.998% (metals basis) 25g 360元
性       状: 草酸,6153-56-6,Oxalic acid dihydrate 无色单斜片状或棱柱体结晶或白色粉末。在温热、干燥空气中风化,可溶于水及乙醇。无气味。150-160℃升华。在高热干燥空气中能风化。1g溶于7ml 水、2ml沸水、2.5ml乙醇、1.8ml沸乙醇、5.5ml甘油,不溶于苯、氯仿和石油醚。0.1mol/L溶液的pH值为 1.3。低毒,半数致死量(兔,经皮)2000mg/kg。
密度:1.653
熔点:101-102℃
沸点:86.9℃
折光率n20/D:1.45560
质量标准: GB/T 9855-88
项目Item                                         优级纯   分析纯   化学纯
                                                  (GR)     (AR)    (CP)
含量(C2H2O4·
2H2O)Assay,%                                    ≥99.8     99.5     99.5
澄清度试验Clarity                                 合格     合格     合格
水不溶物Insoluble matter in water,%             ≤0.002    0.005    0.01
灼烧残渣(以硫酸盐计)Ignition residue,%        ≤0.01     0.02     0.05
氯化钠(Cl)Chloride,%                            ≤0.0005   0.002    0.005
硫酸盐(SO4)Sulfate,%                            ≤0.001    0.002    0.005
总氮量(N)Total nitrogen,%                       ≤0.001    0.002    0.005
钙(Ca)Calcium,%                                 ≤0.001    0.003    0.005
铁(Fe)Iron,%                                    ≤0.0002   0.0005   0.002
重金属(以Pb计)Heavy metals,%                    ≤0.0002   0.0004   0.001
易碳化物质Readily carboniz-able substance          合格     合格     合格

 

ACS级
项目名称Item                                              ACS Grade
含量(H2C2O4·2H2O)Assay                                    99.5-102.5%
易炭化物质Substances darkened by hot sulfuric acid         Passes test
水不溶物Insoluble matter                                   ≤0.005%
灼烧残渣Residue after ignition                             ≤0.01%
氯化物(Cl)Chloride(Cl)                                     ≤0.002%
硫酸盐(SO4)Sulfate                                         ≤0.005%
钙(Ca)Calcium(Ca)                                          ≤0.001%
氮化合物(以N计)Nitrogen compounds(as N)                    ≤0.001%
重金属(以Pb计)Heavy metals(as Pb)                          ≤5ppm
铁(Fe)Iron(Fe)                                             ≤2ppm

 

≥99.9999% (metals basis):

外观Appearance                          白色粉末或结晶
纯度Purity                              ≥99.9999% Based On Trace Metals Analysis
总氮total nitrogen                      ≤10 ppm
熔点mp                                  104-106 °C
anion traces by
  氯chloride (Cl-):                     ≤5000 ppb
  磷酸根phosphate (PO43-):              ≤500 ppb
  硫酸根sulfate (SO42-):                ≤2000 ppb
cation traces
  Ag:                                   ≤0.01 ppm
  Al:                                   ≤0.02 ppm
  As:                                   ≤0.01 ppm
  Au:                                   ≤0.001 ppm
  Ba:                                   ≤0.1 ppm
  Be:                                   ≤0.001 ppm
  Bi:                                   ≤0.001 ppm
  Ca:                                   ≤0.1 ppm
  Cd:                                   ≤0.05 ppm
  Ce:                                   ≤0.005 ppm
  Co:                                   ≤0.005 ppm
  Cr:                                   ≤0.01 ppm
  Cs:                                   ≤0.01 ppm
  Cu:                                   ≤0.005 ppm
  Dy:                                   ≤0.005 ppm
  Er:                                   ≤0.005 ppm
  Eu:                                   ≤0.005 ppm
  Fe:                                   ≤0.5 ppm
  Ga:                                   ≤0.001 ppm
  Gd:                                   ≤0.005 ppm
  Ge:                                   ≤0.005 ppm
  Hf:                                   ≤0.005 ppm
  Hg:                                   ≤0.005 ppm
  Ho:                                   ≤0.005 ppm
  In:                                   ≤0.001 ppm
  Ir:                                   ≤0.005 ppm
  K:                                    ≤0.2 ppm
  La:                                   ≤0.005 ppm
  Li:                                   ≤0.005 ppm
  Lu:                                   ≤0.005 ppm
  Mg:                                   ≤0.02 ppm
  Mn:                                   ≤0.005 ppm
  Mo:                                   ≤0.005 ppm
  Na:                                   ≤0.1 ppm
  Nb:                                   ≤0.005 ppm
  Nd:                                   ≤0.005 ppm
  Ni:                                   ≤0.01 ppm
  Os:                                   ≤0.01 ppm
  Pb:                                   ≤0.01 ppm
  Pd:                                   ≤0.01 ppm
  Pr:                                   ≤0.005 ppm
  Pt:                                   ≤0.05 ppm
  Rb:                                   ≤0.01 ppm
  Re:                                   ≤0.005 ppm
  Rh:                                   ≤0.005 ppm
  Ru:                                   ≤0.005 ppm
  Sb:                                   ≤0.001 ppm
  Sc:                                   ≤0.05 ppm
  Se:                                   ≤0.01 ppm
  Sm:                                   ≤0.005 ppm
  Sn:                                   ≤0.005 ppm
  Sr:                                   ≤0.1 ppm
  Ta:                                   ≤0.01 ppm
  Tb:                                   ≤0.005 ppm
  Te:                                   ≤0.005 ppm
  Th:                                   ≤0.005 ppm
  Ti:                                   ≤0.02 ppm
  Tl:                                   ≤0.001 ppm
  Tm:                                   ≤0.005 ppm
  U:                                    ≤0.001 ppm
  V:                                    ≤0.01 ppm
  W:                                    ≤0.005 ppm
  Y:                                    ≤0.005 ppm
  Yb:                                   ≤0.005 ppm
  Zn:                                   ≤0.02 ppm
  Zr:                                   ≤0.1 ppm 

贮       存: 草酸,6153-56-6,Oxalic acid dihydrate 密封保存

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