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

Also known as: DPX, DPX mountant, DPX mountant for histology, Histomount (TM), p-Xylene-bis(N-pyridinium bromide), 1,1'-(p-Phenylenedimethylene)bis(pyridinium bromide), 1,1'-(p-Phenylenedimethylene)bis-pyridinium dibromide

1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide (CAS 14208-10-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H18Br2N2 and a molecular weight of 422.15700 g/mol. Key properties include a density of 0.904 g/mL at 25ºC(lit.) and a flash point of 25.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
14208-10-7
Jingsj CID
J-1171291-2
Molecular Formula
C18H18Br2N2
Molecular Weight
422.15700 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026

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Physicochemical Properties

Density0.904 g/mL at 25ºC(lit.)
Flash Point25.0 °C
Exact Mass419.98400
PSA7.76000
Appearancewhite to off-white
Refractive Indexn20/D 1.521(lit.)
Storage Conditions2-8°C
Additional PropertyH2O: soluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide?

The CAS number of 1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide is 14208-10-7.

What are the molecular formula and molecular weight of 1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide?

1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide has molecular formula C18H18Br2N2 and molecular weight 422.15700 g/mol.

Is 1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide hazardous?

1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide (CAS 14208-10-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1171291-2 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.