Date published: 2025-10-14

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Phosphoric Acid Diethyl Ester (CAS 598-02-7)

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Alternate Names:
Diethyl Acid Phosphate; Diethyl Hydrogen Phosphate; Diethyl Phosphate
CAS Number:
598-02-7
Molecular Weight:
154.1
Molecular Formula:
C4H11O4P
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Phosphoric Acid Diethyl Ester, also known as diethyl phosphate or ethyl phosphate, is derived from phosphoric acid by replacing one hydroxyl group with an ethyl group. It is used as a solvent, plasticizer, and intermediate in the synthesis of various organic compounds. Phosphoric acid diethyl ester, an organophosphate present in pesticides, has been observed to affect male hormone levels. It may act to decrease serum testosterone and inhibin B levels, leading to alterations in the male hormone profile.


Phosphoric Acid Diethyl Ester (CAS 598-02-7) References

  1. Synthesis of the phosphonoanalogue of benzo [c] pyroglutamic acid  |  Kachkovskyi, G. O., & Kolodiazhnyi, O. I. 2010. Phosphorus, Sulfur, and Silicon. 185(12): 2441-2448.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Phosphoric Acid Diethyl Ester, 100 mg

sc-478693
100 mg
$300.00

Phosphoric Acid Diethyl Ester, 500 mg

sc-478693A
500 mg
$410.00

Phosphoric Acid Diethyl Ester, 1 g

sc-478693B
1 g
$600.00