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Neutral mounting medium

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EC Number:
MDL number:

biological source



viscous liquid



refractive index

n20/D 1.521 (lit.)


0.904 g/mL at 25 °C (lit.)



storage temp.

room temp

General description

D.P.X is a mixture of distyrene (polystyrene), a plasticizer (tricresyl phosphate), and xylene. It facilitates the protection of stains and can dry quickly.


D.P.X. has been used as a mounting medium for mounting:
  • rat brain sections for immunohistochemistry studies
  • mouse small intestine sections for morphometry studies
  • gastrointestinal tract sections of rats for immunohistochemistry

Signal Word


Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids



Flash Point(F)

77.0 °F - closed cup

Flash Point(C)

25 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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C B Ferreira et al.
Neuroscience, 297, 262-271 (2015-04-12)
We investigated the role of the autonomic nervous system to cardiovascular responses to obstructive apnea in awake, unrestrained rats, and measured expression of Fos induced by apnea in the brainstem. We implanted a tracheal balloon contained in a rigid tube
Guo-Qing Chen et al.
Cell death & disease, 8(5), e2789-e2789 (2017-05-12)
Autophagy has a key role in metabolism and impacts on tumorigenesis. Our previous study found that halofuginone (HF) exerts anticancer activity in colorectal cancer (CRC) by downregulating Akt/mTORC1 (mechanistic target of rapamycin complex 1) signaling pathway. But whether and how
Natural Alternative to D.P.X (Mounting Medium) - Comparison between Honey and Castor Oil
Shylaja S. and Suvarna M.
International Journal of Contemporary Medical Research, 6(1) (2019)
Terry L Powley et al.
Autonomic neuroscience : basic & clinical, 183, 36-48 (2014-03-25)
The pylorus is innervated by vagal mechanoreceptors that project to gastrointestinal smooth muscle, but the distributions and specializations of vagal endings in the sphincter have not been fully characterized. To evaluate their organization, the neural tracer dextran biotin was injected
Andrew W Moran et al.
Frontiers in nutrition, 5, 101-101 (2018-11-13)
The Na+/glucose cotransporter 1, SGLT1 is the major route for transport of dietary glucose from the lumen of the intestine into absorptive enterocytes. Sensing of dietary sugars and artificial sweeteners by the sweet taste receptor, T1R2-T1R3, expressed in the enteroendocrine

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