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(3-(dimethylamino)propyl)triphenylphosphonium bromide

Also known as: 3-((dimethylamino)propyl)triphenylphosphonium bromide, 3-(dimethylamino)propyltriphenylphosphonium bromide, (3-dimethylamino)propyltriphenylphosphonium bromide, Olopatadine Impurity 19, Olopatadine int, Phosphonium, [3-(dimethylamino)propyl]triphenyl-, bromide (1:1), [3-(dimethylamino)propyl](triphenyl)phosphonium bromide, MFCD00012200

(3-(dimethylamino)propyl)triphenylphosphonium bromide (CAS 18355-96-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C23H27BrNP and a molecular weight of 428.345 g/mol. Key property: a melting point of 193-196ºC. 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 Aug 21, 2026.

CAS No.
18355-96-9
Jingsj CID
J-11519-5
Molecular Formula
C23H27BrNP
Molecular Weight
428.345 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point193-196ºC
Exact Mass427.106445
PSA16.83000
LogP0.93620

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (3-(dimethylamino)propyl)triphenylphosphonium bromide?

The CAS number of (3-(dimethylamino)propyl)triphenylphosphonium bromide is 18355-96-9.

What are the molecular formula and molecular weight of (3-(dimethylamino)propyl)triphenylphosphonium bromide?

(3-(dimethylamino)propyl)triphenylphosphonium bromide has molecular formula C23H27BrNP and molecular weight 428.345 g/mol.

Is (3-(dimethylamino)propyl)triphenylphosphonium bromide hazardous?

(3-(dimethylamino)propyl)triphenylphosphonium bromide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (3-(dimethylamino)propyl)triphenylphosphonium bromide?

For (3-(dimethylamino)propyl)triphenylphosphonium bromide, Upstream Products: (3-Bromopropyl)triphenylphosphonium bromide, Dimethylamine, [3-(Dimethylamino)propyl]triphenylphosphonium bromide hydrobromide.

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

Last updated:

How to cite: Jingsj. "(3-(dimethylamino)propyl)triphenylphosphonium bromide (CAS 18355-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11519-5 (accessed 2026-11-09).

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