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ABCDEFGHIKMNOPSTUWXZ

Products
Std Pkg
 
Unit Price US$
Dextrose
CAS - No. [50-99-7]     
Phy.chem.data     
C6H12O6M=180.16 g/mol     
Melting range 144 - 150ºC     
       
 16326    Dextrose anhydrous purified
500
g
pb
 

Specifications

  
1
kg
pb
 
Specific rotation__________________+51º to +53º 
5
kg
pp
 

Melting range____________________144 -150ºC

Iron (Fe)_________________0.0005%
25
kg
hdp
 
Chloride(Cl)________________________0.005%Water______________________0.5%
50
kg
hdp
 
Sulfate (SO4)________________________0.01%TLC-analysis____________Passes test    
       
 
Dichloromethane
 
CAS - No. [75-09-2]     
Phy. chem. data     
CH2Cl2M=84.93 g/mol      
1L 1.32 Kg.     
Miscible in water / 20ºC20 g / L     
       
        
       
 24234  Dichloromethane extra pure
500
ml
gb
 
   
2.5
lit
gb
 
Specifications  
25
lit
mdl
 
  
200
lit
mdl
 
Identity(IR)_______________________Passes testWeight per ml. at 20ºC___ 1.323 - 1.327 g    
Assay(GC)____________________________98%Refractive Index
(n 20º/D)_____________ 1.4235 - 1.4250
    
      
 32223  Dichloromethane GR
500
ml
gb
 
   
2.5
lit
gb
 
Specifications  
25
lit
mdl
 
   
200
lit
mdl
 
Identity (IR)____________________Passes test      
Assay (GC)______________________min.99.5%Formaldehyde (HCHO)____ max. 0.0001 %    
Density (d 20º / 4º)_____________1.323 - 1.325Non-volatile subs________ max. 0.001 %    
Free acid(as HCl)________________max.0.001%Copper (Cu)____________max.0.00001%    
Water (KF)_______________________max.0.5%Iron(Fe)________________max.0.0001%    
Free chlorine (Cl)_______________max.0.0001%Lead (Pb)_______________max.0.0001%    
       
 
N,N-Dimethyl formamide
 
CAS - No. [68-12-2]    
Phy. chem. data     
C3H7NOM=73.10 g/mol     
1L0.95 Kg.     
Miscible with water in all proportions     
       
        
       
 34441  N,N-Dimethyl formamide pure
500
ml
gb
 
   
2.5
lit
gb
 
Specifications  
25
lit
mdl
 
   
200
lit
mdl
 
Identity (IR)_________________________Passes test      
Assay (GC)______________________________99.5%Acidity___________________0.2 ml N %    
Density(d 20º / 4º)__________________0.947-0.949Water (KF)____________________0.1%    
       
 33120  N,N-Dimethyl formamide GR
500
ml
gb
 
   
2.5
lit
gb
 
Specifications  
25
lit
mdl
 
   
200
lit
mdl
 
Identity(IR)________________________Passes test Copper(Cu)_____________max.0.0005%    
Assay(GC)___________________________min.99%Iron(Fe)________________max.0.0005%    
Density(d 20º / 4º)__________________0.948-0.95Lead(Pb)_______________ max.0.0005%    
Free acid_______________________max.0.1ml N %Water(KF)__________________max.0.1%    
Free Alkali______________________max.0.1ml N %
Non-volatile subs__________max.0.002%    
      
EDTA ----------> see Ethylene diamine tetra acetic acid
Ether petroleum -----> see Petroleum ether



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