Vector Laboratories will be closed on Monday, September 4, in observance of Labor Day. Any orders placed after 2pm PT on Friday, September 1, will be shipped on Tuesday, September 5. Thank you for your understanding.

Vector® Black Substrate Kit, Alkaline Phosphatase (AP) (SK-5200)

Purchase this product from 2BScientific


Vector Black AP Substrate Kit forms a brown-black precipitate that can be dehydrated, cleared, and permanently mounted. This chromogen can be used in immunohistochemical or blotting applications.


  • Greater sensitivity than conventional substrates
  • Consistent and reliable
  • Stock solutions supplied in convenient dropper bottles promoting ease of handling
  • No wait times for mixing and dissolving powders or tablets
  • Sufficient reagents to produce 200 ml of working solution


Unit Size1 kit
ApplicationsImmunohistochemistry / Immunocytochemistry, Blotting Applications, Elispot
Detection Enzyme(s)Alkaline Phosphatase
Substrate Reaction ProductPrecipitating Reaction Product
Chromogen ColorBrown-Black
MountingNon-Aqueous (Permanent)
Safety TitleWARNING: Reproductive Harm -

Kit Contents:

  • 4 ml Vector Black Reagent 1
  • 4 ml Vector Black Reagent 2
  • 3 ml Vector Black Reagent 3


Technical Information



How do I Request a Quote?

To request a quote for products:

  1. Click “Contact Us” in the header bar above;
  2. Click “Customer Service”;
  3. Complete the form and provide the following information in the “Comments” section: note you would like a quote, item number (SKU) and quantity;
  4. Click “Submit”.