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DPX

Product Name: DPX
CAS No.: 14208-10-7
Chemical Name: DPX
Synonyms: DPX;DPX MOUNTANT;HISTOMOUNT(TM);DPX MOUNTANT FOR HISTOLOGY;N,N'-4-xylylenebis(pyridinium);P-XYLENE-BIS-PYRIDINIUM BROMIDE;P-XYLENE-BIS(N-PYRIDINIUM BROMIDE);MOUNTING MEDIUM FOR HISTOCHEMISTRY;DPX [P-Xylene-bis-pyridiniuM broMide];P-XYLYLENE-A,A'-BISPYRIDINIUM DIBROMIDE
CBNumber: CB7738300
Molecular Formula: C18H18N2.2Br
Formula Weight: 422.162
MOL File: 14208-10-7.mol

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DPX Property

Melting point:: 296-297 °C(Solv: acetonitrile (75-05-8))
Density: 0.904 g/mL at 25 °C(lit.)
refractive index: n20/D 1.521(lit.)
Flash point:: 77 °F
storage temp.: 2-8°C
solubility: H2O: soluble
form: powder
color: white to off-white
Appearance: Solid Powder
biological source: synthetic
Water Solubility: water: practically insoluble

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Safety

Hazard Codes: Xn,Xi,T,F
Risk Statements: 10-20/21-38-36/37/38-62-61-65-48/20-11
Safety Statements: 26-36-45-36/37-53-25-62-16
RIDADR: UN 1307 3/PG 3
WGK Germany: 3
RTECS: UU6857800
HS Code: 2933.39.9200

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D0940
Product name: p-Xylene-bis(N-pyridinium bromide)
Purity: ≥95% (TLC)
Packaging: 500mg
Price: $208
Updated: 2025/07/31

Sigma-Aldrich

Product number: 317616
Product name: D.P.X.
Purity: Neutral mounting medium
Packaging: 100ml
Price: $61.3
Updated: 2025/07/31

TCI Chemical

Product number: P2141
Product name: 1,1'-[1,4-Phenylenebis(methylene)]bis(1-pyridinium) Dibromide
Purity: >98.0%(HPLC)(T)
Packaging: 250mg
Price: $71
Updated: 2025/07/31

Matrix Scientific

Product number: 172394
Product name: p-Xylylene-alpha,alpha'-bispyridinium dibromide
Packaging: 5g
Price: $100
Updated: 2021/12/16

Chem-Impex

Product number: 42027
Product name: p-Xylene-bis(N-pyridiniumbromide),≥95%(HPLC),suitableforHematology&Histology
Purity: ≥95%(HPLC)
Packaging: 500MG
Price: $168.9
Updated: 2021/12/16

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DPX Chemical Properties,Usage,Production

Description

P-Xylene-bis-pyridinium bromide is a cationic charged quencher that is commonly used in membrane fusion or permeability assays.

Uses

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

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.

Biological Activity

Cationic fluorescence quencher used with ANTS to study membrane permeability and liposome lysis.

IC 50

hAChE: 1540 μM (IC₅₀); BChE: 529 μM (IC₅₀)

Excitation / Emission Maximum

541 nm/567 nm

DPX Preparation Products And Raw materials

Raw materials

Preparation Products

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DPX Suppliers

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14208-10-7, DPXRelated Search:

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1,1’-(1,4-phenylenebis(methylene))bis-pyridiniudibromide

1,1’-(p-phenylenedimethylene)bis(pyridiniumbromide)

1,1’-(p-phenylenedimethylene)bis-pyridiniudibromide

1,1’-(p-phenylenedimethylene)di-pyridiniudibromide

HISTOMOUNT(TM)

DPX

DPX MOUNTANT

DPX MOUNTANT FOR HISTOLOGY

N,N'-4-xylylenebis(pyridinium)

P-XYLENE-BIS(N-PYRIDINIUM BROMIDE)

P-XYLENE-BIS-PYRIDINIUM BROMIDE

P-XYLYLENE-A,A'-BISPYRIDINIUM DIBROMIDE

P-XYLYLENE-ALPHA,ALPHA'-BISPYRIDINIUM DIBROMIDE

MOUNTING MEDIUM FOR HISTOCHEMISTRY

1,1'-(1,4-Phenylenebismethylene)bispyridinium·2bromide

1,1'-(1,4-Xylylene)bispyridinium·2bromide

1,1'-(1,4-Xylylene)dipyridinium·2bromide

1,1'-(p-Xylylene)bispyridinium·dibromide

1,1'-p-Xylylenebis(pyridinium)·2bromide

1,1'-[1,4-PHENYLENEBIS(METHYLENE)]-BISPYRIDINIUM DIBROMIDE

DPX [P-Xylene-bis-pyridiniuM broMide]

1,1'-[1,4-Phenylenebis(methylene)]bis(1-pyridinium) Dibromide

1,1'-(p-Xylylene)bis(1-pyridinium bromide)

1,1'-(p-Xylylene)bis(1-pyridinium) Dibromide

1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) bromi

1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) bromide

<i>p</i>-Xylene-bis(N-pyridinium bromide)

14208-10-7

51-80-0

C18H18N22Br

C18H18Br2N2

Embedding and Mounting Media

Embedding MediaHematology and Histology

Hematology and Histology Lab Accessories

Microscopy Reagents