CAS No. 117-81-7

Batch: Purity:
Bis(2-ethylhexyl) phthalate Chemical Structure
Chemical Structure
Check the Bis(2-ethylhexyl) phthalate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name bis(2-ethylhexyl) benzene-1,2-dicarboxylate
CAS Number 117-81-7
Molecular Formula

C24H38O4
Molecular Weight (MW) 390.56
SMILES CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC
InChIKey BJQHLKABXJIVAM-UHFFFAOYSA-N

Biological Activity

Bis(2-ethylhexyl) phthalate is a synthetic phthalate ester and peroxisome proliferator-activated receptor (PPAR) activator that acts as an endocrine disruptor. It alters gene expression pathways involved in lipid metabolism and endocrine signaling, leading to cellular stress and phenotypic dysregulation. In aquatic models such as larval zebrafish (Danio rerio), exposure induces DNA strand breaks and transcriptional alterations that impair physiological development. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

Reference

[1] Diamanti-Kandarakis E, et al. Endocr Rev. 2009;30(4):293-342.

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Note: Technical data last updated: Sep 1, 2026.