TMP Presumptive Semen Test Kit

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This item is made to order to maximize shelf life and will ship in 7-10 days from date of purchase.  

Our TMP (thymolphthalein monophosphate) Presumptive Semen Test Kit is a reliable laboratory test for presumptively indicating the presence of semen (acid phosphatase) on a suspected stain. TMP tests are the best-suited method for testing suspected stains, as it is more sensitive to the presence of acid phosphatase than other presumptive tests.

The TMP Presumptive Semen Test Kit is administered by first collecting a negative control by testing an unstained sample. Next, a sample of the suspected stain should be collected using either a piece of filter paper or a cotton-tipped swab. One drop of each of the TMP reagents is then applied to the collected sample. A positive presumptive result for the presence of semen is indicated if the sample turns a bright blue color within seconds.

Our TMP Presumptive Semen Test Kit is packaged in a durable, lightweight plastic box and includes all the premixed chemicals and supplies required to conduct the presumptive test. All of the reagents are supplied in plastic dropper bottles for easy use. This kit comes with enough materials for at least 100 tests.


  • 1 Plastic Kit Box, 8"L x 4" W x 1.75" H
  • 1 Distilled Water 1.5 oz Dropper Bottle
  • 1 TMP Reagent A 1.5 oz Dropper Bottle 
  • 1 TMP Reagent B 1.5 oz Dropper Bottle
  • 1 Box of Filter Paper
  • 1 Box of 3" Cotton-Tipped Swabs
  • 1 Kit Instructions Affixed to Inside of the Box