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Ammonium Oxalate Monohydrate

CAS No.:6009-70-7                                                                                     EINECS No.:238-135-4
Beilstein:3759830                                                                                       MDL:MFCD00149694
Molecular Formula:C2H8N2O2·H2O;(NH4)2C2O4·H2O                Molecular Weight:142.11
Synonyms:Oxalic acid diammonium salt;di-Ammonium Oxalate 1-hydrate;Ammonium oxalate;Ethanedioicacid
Molecular Structure:



Properties: colorless columnar crystal. Relative density 1.501, refractive index of 1.439. Soluble in and a cold water, 2.6 a boiling water, slightly soluble in ethanol, insoluble in ammonia. No smell, heating namely decomposition.
Quality standard

Item HG/T 3453-2012 ACS Grade
(GR) (AR)
Assay[(NH4)2C2O4· H2O)],                 % ≥ 99.8 99.5 97.0-101.0
Solution reaction complies complies  
Clarity complies complies  
Insoluble matter in water,                     % ≤ 0.003 0.005 0.002
Ignition residue(SO4),                          % ≤ 0.005 0.01 0.02
Chloride(Cl),                                         % ≤ 0.0005 0.001 0.002
Sulfur compounds(as SO4),% 0.005 0.01 0.002
Iron(Fe),                                               % ≤ 0.0002 0.0005 0.0002
Heavy metals(as Pb),                          % ≤ 0.0002 0.001 0.0005
Sodium(Na),                                        % ≤ 0.001 0.002  
Magnesium(Mg),                                 % ≤ 0.001 0.002  
Potassium(K),                                     % ≤ 0.001 0.002  
Calcium(Ca),                                       % ≤ 0.001 0.002  
Nitrate(NO3),                                      % ≤ 0.002    
PH(50g/L,25°C) 6.0-7.0 6.0-7.0  

99.99% metals basis:
Appearance White Powder or Crystalline Powder
Infrared spectrometry Conforms to Structure
Purity ≥99.99% Based on Trace Metals Impurities of ICP
C2O4 (Titration with KMnO4) 60.4% - 64.1%
Total metallic impurities ≤100ppm by ICP Atomic emission
Description and Use:
Ammonium Oxalate is an odorless,colorless,crystalline (Sand-like) powder.it is used to make explosives and metal polishes,and in textile dyeing and analytical chemistry.
Packing: 25 kg/bag, plastic woven bags in outside. Export is 25 kg/cardboard barrels or according to customer requirement.
Storage: seal preservation. UN number:1759
Risk:R21/22
Safety:S24/25
Hazard:Xn

 

 
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