Biological Buffers

Sodium Chloride

Sodium Chloride Specification Comparison PDF Printer friendly PDF version (335 Kb) FAQs and Live Chat Banner Image


Sodium Chloride Physical Properties
Molecular Formula NaCl Beilstein Registry 3534976 Melting Point 801 °C(lit.)
Molecular Weight 58.44 MDL Number MFCD00003477 EG/EC Number 231-598-3
CAS Number 7647-14-5        
Sodium Chloride Specifications Comparison
  S1679 S9888 S5629 S5886 S3014 S6191 S7653 71376
Grade meets USP testing specifications ACS reagent ≥99.0% plant cell culture tested, ≥99.5% cell, insect cell culture tested for molecular biology,
≥98% (titration)
BPC, ≥99.5% (titration), cell culture tested BioXtra, ≥99.5% BioUltra, for molecular biology,
≥99.5% (AT)
Purity ≥99.0% ≥99.0% ≥99.5% ≥99.5% ≥98% ≥99.5% ≥99.5% ≥99.5%
Reagent Testing
  S1679 S9888 S5629 S5886 S3014 S6191 S7653 71376
260NM             ≤0.01 ≤0.01
280NM             ≤0.01 ≤0.01
Identity X              
pH   5.0 - 9.0
(25 °C, 5% in solution)
        5.0 - 8.0
(20 °C, 1M in H2O)
5.0 - 8.0
(25 °C, 1M in H2O)
LOD ≤0.5%              
Insoluable Matter   ≤0.005%         filter test filter test
Life Science Testing
  S1679 S9888 S5629 S5886 S3014 S6191 S7653 71376
Endotoxin           X    
Cell test       X   X    
Insect cell test       X   X    
Plant cell test     X     X    
RNase         X X   X
DNAse         X X   X
Protease         X X   X
Phosphatase               X
Trace Elemental Impurities
  S1679 S9888 S5629 S5886 S3014 S6191 S7653 71376
Bromide(Br) ≤0.010% ≤0.01%         ≤0.005% ≤0.0050%
Iodide(I) X ≤0.002%         ≤0.001% ≤0.0010%
Phosphate(P) ≤0.0025% ≤0.0005%     ≤0.0005%   ≤0.0005% ≤0.0005%
Sulfate(SO4) ≤0.020% ≤0.004%         ≤0.05% ≤0.0100%
Aluminum(Al)             ≤0.0005% ≤0.0005%
Arsenic(As) ≤0.0001%           ≤0.0001% ≤0.00001%
Barium(Ba) X X         ≤0.0005% ≤0.0005%
Bismuth(Bi)             ≤0.0005% ≤0.0005%
Calcium(Ca)   ≤0.002%         ≤0.002% ≤0.0010%
Cadmium(Cd)             ≤0.0005% ≤0.0005%
Cobalt(Co)             ≤0.0005% ≤0.0005%
Chromium(Cr)             ≤0.0005% ≤0.0005%
Copper(Cu)             ≤0.0005% ≤0.0005%
Iron(Fe) ≤0.0002% ≤0.0002%         ≤0.0001% ≤0.0001%
Potassium(K) ≤0.05% ≤0.005%     ≤0.0050%   ≤0.005% ≤0.0050%
Lithium(L)             ≤0.0005% ≤0.0005%
Magnesium(Mg)   ≤0.001%         ≤0.0005% ≤0.0005%
Manganese(Mn)             ≤0.0005% ≤0.0005%
Molybdenum             ≤0.0005% ≤0.0005%
Nickel(Ni)             ≤0.0005% ≤0.0005%
Lead(Pb)   ≤0.0005%     ≤0.0005% ≤0.0005% ≤0.0005% ≤0.0005%
Strontium(Sr)             ≤0.0005% ≤0.0005%
Zinc(Zn)             ≤0.0005% ≤0.0005%
Total Nitrogen               ≤0.001%
Chlorate and Nitrate(NO3)   ≤0.003%            
Ferrocyanides X              
Magnesium and Alkaline Earth Metals ≤0.01%              
Nitrites X              
Heavy Metals ≤0.0005%              
 
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