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Monoisobutyl phthalate (MiBP)

Monoisobutyl phthalate (MiBP)

Monoisobutyl phthalate (MiBP) is the primary metabolite of diisobutyl phthalate (DIBP), a plasticizer used in paints, printing inks, nail polish, and cosmetics.
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Key benefits of Monoisobutyl phthalate (MiBP) testing

  • Di-isobutyl phthalate exposure tracking
  • adhesive and personal care product chemical monitoring

What is Monoisobutyl phthalate (MiBP)?

MiBP is the primary urinary metabolite of di-isobutyl phthalate (DiBP), a plasticizer found in adhesives, sealants, and personal care products. Measured via LC-MS/MS with creatinine normalization.

Why is Monoisobutyl phthalate (MiBP) important?

DiBP shares structural and potential biological similarities with DBP-type phthalates. MiBP is commonly detected in population studies and may reflect both dietary and non-dietary exposure routes.

What insights will I get?

Your MiBP level may reflect DiBP exposure from adhesives, food contact materials, or personal care items. Tracking over time may reveal patterns tied to specific products or environments.

Method: LC-MS/MS (Liquid Chromatography/Tandem Mass Spectrometry) with creatinine normalization by Jaffe Reaction (CLIA 17D0919496); not cleared or approved by the FDA. Results reported in µg/g creatinine. Not a stand-alone diagnosis; should be interpreted in clinical context.

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