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Oxalic acid

Cas:
144-62-7
Molecular Structure:
MDL:
MFCD00002573
Molecular Formula:
C2H2O4;HO2CCO2H
Molecular Weight:
90.03
Alias:
草酸,无水 Oxalic acid
Product order:
Name Specifications Packing Price Delivery
Oxalic acid GR,anhydrous, 99.0% 500g RMB 209 Consulting service
Oxalic acid GR,anhydrous, 99.0% 100g RMB 77 Consulting service
Oxalic acid GR,anhydrous, 99.0% 25g RMB 22 Consulting service
Oxalic acid AR,98% 100g RMB 55 现货
Oxalic acid AR,98% 500g RMB 110 现货
Oxalic acid 99.999% metals basis 25g RMB 759 Consulting service
Oxalic acid 99.999% metals basis 100g RMB 1853.5 Consulting service
Oxalic acid GR,anhydrous, 99.0% 2.5kg RMB 847 Consulting service
Oxalic acid GR,anhydrous, 99.0% 10kg RMB 2739 Consulting service
Oxalic acid GR,anhydrous, 99.0% 25kg RMB 5483.5 Consulting service
Character:
水中溶解度:90 g/L (20°C),极溶于乙醇、溶于甘油,微溶于醚。
密度: 1.9  
熔点: 189-191 °C  
Quality Standard:
项目                                    优级纯    
                                         (GR)
外观Appearance                          白色结晶粉末
红外光谱鉴定Infrared spectrometry       和对照品匹配  
纯度Purity                              >99.0% (RT)
水分Water                               <1 % (K.F.)
重金属Heavy metals (as Pb)              <10 ppm
硫酸盐灰分Sulfated ash                  <0.05 %
痕量分析Trace analysis  
氯chloride (Cl-):                      < 20 ppm
硫酸根sulfate (SO42-)                  < 50 ppm
铁Iron(Fe)                           < 20 ppm


项目                                    分析纯    
                                        (AR)
外观Appearance                          白色或无色结晶
红外光谱鉴定Infrared spectrometry       和对照品匹配
熔点Melting point                       189°C - 191°C
纯度Purity                              ≥98.0% (RT)

99.999% metals basis:


外观Appearance                          White Powder/Crystals
纯度Purity                              ≥99.999% Based on Trace Metals Impurities of ICP
纯度Purity                              98.0 - 102.0 % (Titration by NaOH)  
痕量金属分析total metallic impurities   ≤20ppm by ICP Atomic emission
(K、Ni、Sc、Ca、Ba、Hf、Al、Si、Fe) 

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