Aroclor® Products
 
2 Concentrations in Isooctane
2 Concentrations in Methanol
Solutions in Hexane
Neats
In PCB-Free Transformer Oil
Different Types of Aroclors
 
  2 Concentrations in Isooctane 2 Concentrations in Methanol
Compound Units 35 µg/mL in
Isooctane
100 µg/mL in
Isooctane
35 µg/mL in
MeOH
100 µg/mL in
MeOH
Aroclor 1016 1 x 1 mL C-216S C-216S-TP C-216S-M C-216S-M-2.85X
  5 x 1 mL C-216S-PAK   C-216S-M-PAK  
Aroclor 1221 1 x 1 mL C-221S C-221S-TP C-221S-M C-221S-M-2.85X
  5 x 1 mL C-221S-PAK   C-221S-M-PAK  
Aroclor 1232 1 x 1 mL C-232S C-232S-TP C-232S-M C-232S-M-2.85X
  5 x 1 mL C-232S-PAK   C-232S-M-PAK  
Aroclor 1242 1 x 1 mL C-242S C-242S-TP C-242S-M C-242S-M-2.85X
  5 x 1 mL C-242S-PAK   C-242S-M-PAK  
Aroclor 1248 1 x 1 mL C-248S C-248S-TP C-248S-M C-248S-M-2.85X
  5 x 1 mL C-248S-PAK   C-248S-M-PAK  
Aroclor 1254 1 x 1 mL C-254S C-254S-TP C-254S-M C-254S-M-2.85X
  5 x 1 mL C-254S-PAK   C-254S-M-PAK  
Aroclor 1260 1 x 1 mL C-260S C-260S-TP C-260S-M C-260S-M-2.85X
  5 x 1 mL C-260S-PAK   C-260S-M-PAK  
Aroclor 1262 1 x 1 mL C-262S C-262S-TP C-262S-M C-262S-M-2.85X
  5 x 1 mL C-262S-PAK   C-262S-M-PAK  
Aroclor 1268 1 x 1 mL C-268S C-268S-TP C-268S-M C-268S-M-2.85X
  5 x 1 mL C-268S-PAK   C-268S-M-PAK  

Set of 9 x 1 mL above

9 x 1 mL Z-008S-SET   Z-008S-M-SET  
         
 
  Solutions in Hexane   Neats
Compound Unit 1000 µg/mL in Hexane   Cat. No. Neats at 50 mg
Aroclor 1016 1 x 1 mL C-216S-H-10X   C-216N 100 mg
  5 x 1 mL C-216S-H-10X-PAK      
Aroclor 1221 1 x 1 mL C-221S-H-10X   C-221N-50MG 50 mg
  5 x 1 mL C-221S-H-10X-PAK      
Aroclor 1232 1 x 1 mL C-232S-H-10X      
  5 x 1 mL C-232S-H-10X-PAK      
Aroclor 1242 1 x 1 mL C-242S-H-10X   C-242N-50MG 50 mg
  5 x 1 mL C-242S-H-10X-PAK      
Aroclor 1248 1 x 1 mL C-248S-H-10X   C-248N-50MG 50 mg
  5 x 1 mL C-248S-H-10X-PAK      
Aroclor 1254 1 x 1 mL C-254S-H-10X   C-254N-50MG 50 mg
  5 x 1 mL C-254S-H-10X-PAK      
Aroclor 1260 1 x 1 mL C-260S-H-10X   C-260N-50MG 50 mg
  5 x 1 mL C-260S-H-10X-PAK      
Aroclor 1262 1 x 1 mL C-262S-H-10X   C-262N-50MG 50 mg
  5 x 1 mL C-262S-H-10X-PAK      
Aroclor 1268 1 x 1 mL C-268S-H-10X      
  5 x 1 mL C-268S-H-10X-PAK   Aroclor-Free Transformer Oil
        T-W130 1 x 1 mL
  Solutions in PCB-Free Transformer Oil  
Compound ppm w/w 1 x 1 mL 5 x 1 mL    
Aroclor 1016 50 C-216-ST-1 C-216-ST-1-PAK    
  500 C-216-ST-2 C-216-ST-2-PAK    
Aroclor 1221 50 C-221-ST-1 C-221-ST-1-PAK    
  500 C-221-ST-2 C-221-ST-2-PAK    
Aroclor 1232 50 C-232-ST-1 C-232-ST-1-PAK    
  500 C-232-ST-2 C-232-ST-2-PAK    
Aroclor 1242 50 C-242-ST-1 C-242-ST-1-PAK    
  500 C-242-ST-2 C-242-ST-2-PAK    
Aroclor 1248 50 C-248-ST-1 C-248-ST-1-PAK    
  500 C-248-ST-2 C-248-ST-2-PAK    
Aroclor 1254 50 C-254-ST-1 C-254-ST-1-PAK    
  500 C-254-ST-2 C-254-ST-2-PAK    
Aroclor 1260 50 C-260-ST-1 C-260-ST-1-PAK    
  500 C-260-ST-2 C-260-ST-2-PAK    
Aroclor 1262 50 C-262-ST-1 C-262-ST-1-PAK    
  500 C-262-ST-2 C-262-ST-2-PAK    
Aroclor 1268 50 C-268-ST-1 C-268-ST-1-PAK    
  500 C-268-ST-2 C-268-ST-2-PAK    
 
 
Similar But Different - Reference Standards of Aroclor Mixtures (by GC Analysis)
 

Technical mixtures are manufactured by industry in many individual batches using set production conditions. The composition of the mixtures, as is evident from the chromatograms (fingerprints), will be similar but never exactly the same (see below). Sometimes there is a variation in the manufacturing process thereby producing a more radical change in the composition of the product mixture.

This is the case for Aroclors®, technical mixtures of PCBs made by Monsanto during the period of the 1930s through 1977. A certain batch of Aroclor 1254 (54% chlorine by weight) that was being made by chlorinating biphenyls was chlorinated in two stages. Normally this was a single stage process. The resulting product of the two stage manufacturing process was a material containing significantly higher concentrations of the non-ortho substituted congeners, which also happen to be more toxic.

Identifying and quantifying Aroclor 1254 in the environment is confusing to the analyst when they encounter what on the surface appears to be 1254 but on closer examination is quite different.

To prepare you for this AccuStandard (as an exclusive) makes available both types of Aroclor 1254 (Type 1 and Type 2, both with 54% chlorine by weight). The commonly occurring Aroclor 1254 is available as C-254N and C-254S-TYPE1 (C-254S), and is the same as the C-254N and C-254S that you have been obtaining from AccuStandard for the past 16 years. The second type of Aroclor 1254, that was made by a different manufacturing process is available as C-254S-TYPE2.

The same is the case with Aroclor 1221 (21% chlorine by weight) where there are two different types. Type 1 is the one commonly available and contains measurable quantities of certain dichloro- and trichloro- congeners. The peaks found in gas chromatograms attributable to those congeners are absent in Type 2 of Aroclor 1221.

   
Set of 1 each C-221S-TYPE1* and C-221S-TYPE2*
C-221S-SET
Solutions in these sets are 35 µg/mL in Isooctane
2 x 1 mL / set
Aroclor 1221 * Type 1
Aroclor 1221 * Type 2
Column Type: DB-5, 30m, 0.53mm; Injection Volume: 0.5µl; Detector: FID; Carrier: He@10ml/min; Oven: 120 C for 2 min to 240 C at 10 C /min
 
Set of 1 each C-254S-TYPE1* and C-254S-TYPE2*
C-254S-SET
Solutions in these sets are 35 µg/mL in Isooctane
2 x 1 mL / set
Aroclor 1254 * Type 1
Aroclor 1254 * Type 2
Column Type: DB-5, 30m, 0.53mm ; Injection Volume: 0.5µl; Detector: FID; Carrier: He@10ml/min; Oven: 100 C for 2 min to 320 C at 10 C /min
* All Standards cited in this monograph are bonafide and unadulterated Monsanto product.


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