Order Entry
Puerto Rico
ContactUsLinkComponent
 
Irritant
5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB) 99%
Catalog # TS11754-0250
CAS Number:  
undefined
Irritant
5,5'-Dithiobis(2-nitrobenzoic acid) (Ellmans reagent, DTNB) 99%
Catalog # TS11754-0250
Supplier Number:  11754-0250
CAS Number:  

Some Products May Appear Restricted

To ensure a smooth and speedy checkout, please log in to your account. Some items may show as restricted simply because you're not logged in.

If you do not have an account, you can register using our registration webform (https://www.avantorsciences.com/us/en/login/register)

 

If you're still seeing restrictions after logging in, certain products—like chemicals or medical devices—require additional account verification steps to be able to place an order. Some items may additionally require a specific license or customer documentation;  additional documentation will be requested for these items prior to shipment. 

Specifications

  • Pack type:
    Glass bottle
  • Size:
    25 g
  • Cat. No.:
    TS11754-0250

Specifications

Specification Test Results

  • Appearance:
    Off-white to yellow Crystalline powder
  • Infrared spectrum:
    Conforms
  • Melting point:
    240 to 245 °C
  • Loss on drying:
    ≤0.5 %
  • Titration with NaOH:
    ≥98.5 %
  • Sulfate (SO4):
    ≤0.005 %
  • Ammonium (NH4):
    ≤0.003 %
  • Barium (Ba):
    ≤0.005 %
  • Calcium (Ca):
    ≤0.01 %
  • Iron (Fe):
    ≤5 ppm
  • Manganese (Mn):
    ≤5 ppm
  • Potassium (K):
    ≤0.005 %
  • Sodium (Na):
    ≤0.005 %
  • Strontium (Sr):
    ≤0.005 %
  • Heavy metals (ICP-OES):
    ≤5 ppm
  • Insoluble matter:
    ≤0.005 %

Specification Test Results

About this item

 :
 :396.36 g/mol
Melting Pt:240…245 °C (dec.)
EINECS:200-714-4
 :GHS07
Storage Temperature:Refrigerator
CAS Number:69-78-3
Formula:C₁₄H₈N₂O₈S₂
MDL Number:MFCD00007140