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Acid, base and phase-transfer catalysts

Stilonium iodide

Also known as Elvetil, Iodure de stilonium, Ioduro de estilonio

CAS 77257-42-2Formula C22H30INOMolar mass 451.39 g/mol
1 supplier listed
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Stilonium iodide chemical structure, C22H30INO, CAS 77257-42-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
77257-42-2
Formula
C22H30INO
Molar mass
451.39 g/mol
HS code
292390
Category
Acid, base and phase-transfer catalysts

What is Stilonium iodide?

Plain description, key identifiers and synonyms

Stilonium iodide is a chemical substance with the molecular formula C22H30INO and a molar mass of 451.39 g/mol. Its CAS registry number is 77257-42-2. The IUPAC name is triethyl-[2-[4-[(E)-2-phenylethenyl]phenoxy]ethyl]azanium iodide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triethyl-[2-[4-[(E)-2-phenylethenyl]phenoxy]ethyl]azanium iodide
CAS number
77257-42-2 CAS number cross-checkedOther or deprecated CAS: 2551-76-0
Molecular formula
C22H30INO
UNII
19B3530KQ6
MDL number
MFCD00865233
InChIKey
RDTKUZXIHMTSJO-UEIGIMKUSA-M
InChI
InChI=1S/C22H30NO.HI/c1-4-23(5-2,6-3)18-19-24-22-16-14-21(15-17-22)13-12-20-10-8-7-9-11-20;/h7-17H,4-6,18-19H2,1-3H3;1H/q+1;/p-1/b13-12+;
Canonical SMILES
CC[N+](CC)(CC)CCOc1ccc(C=Cc2ccccc2)cc1.[I-]
Isomeric SMILES
CC[N+](CC)(CC)CCOC1=CC=C(C=C1)/C=C/C2=CC=CC=C2.[I-]

Synonyms

  • Elvetil
  • Iodure de stilonium
  • Ioduro de estilonio
  • Stilonio ioduro
  • Stilonii iodidum
  • M.G. 624
  • MG 624
  • (E)-N,N,N-Triethyl-2-(4-styrylphenoxy)ethan-1-aminium iodide
  • triethyl-[2-[4-[(E)-2-phenylethenyl]phenoxy]ethyl]azanium, iodide
  • Ethanaminium, N,N,N-triethyl-2-(4-(2-phenylethenyl)phenoxy)-, iodide
  • Ethanaminium, N,N,N-triethyl-2-[4-(2-phenylethenyl)phenoxy]-, iodide
  • triethyl-[2-[4-[(E)-styryl]phenoxy]ethyl]ammonium, iodide
  • (2-(p-Styrylphenoxy)ethyl)triethylammonium iodide
  • Triethyl(2-(p-styrylphenoxy)ethyl)ammonium iodide
  • Elvetil (TN)
  • Ioduro di trietil-(beta-4-stilbenossi-etil)ammonio
  • triethyl-(beta-4-stilbenoxyethyl)ammonium
  • AMMONIUM, (2-(p-STYRYLPHENOXY)ETHYL)TRIETHYL-, IODIDE
  • Stilonium iodide (USAN/INN)
  • Triethyl(2-((E)-styrylphenoxy)ethyl)ammonium iodide
  • N,N,N-Triethyl-N-(2-(4-styrylphenoxy)ethyl)ammonium iodide
  • triethyl-[2-[4-[(E)-2-phenylethenyl]phenoxy]ethyl]azanium iodide
  • N,N,N-triethyl-2-[4-[(1E)-2-phenylethenyl]phenoxy]-ethanaminium, monoiodide
  • MG-624?
  • Triethyl(2-((E)-(p-styrylphenoxy))ethyl)ammonium iodide
Show all 28 synonyms
  • Ammonium, N,N,N-triethyl-N-(2-(4-styrylphenoxy)ethyl)-, iodide
  • Ethanaminium, N,N,N-triethyl-2-(4-(2-phenylethenyl)phenoxy)-, iodide, (E)-
  • N,N,N-Triethyl-2-{4-[(E)-2-phenylethen-1-yl]phenoxy}ethan-1-aminium iodide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
451.39 g/molcalc.
Exact mass
451.1372 Dacalc.
LogP (octanol/water)
2.12calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
9calc.
Heavy atoms
25calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.36calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C(=Cc1ccccc1)c1ccccc1

C(=Cc1ccccc1)c1ccccc1

2 rings, 14 atoms, the Stilbene ring system.

2,005 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Stilonium iodide suppliers

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Where suppliers are based

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Stilonium iodide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Stilonium iodide is traded under.

HS 2923.90Indicative HS code

Quaternary ammonium salts and hydroxides whether or not chemically defined not elsewhere classified…

World exports in 2024
$1.07B
+14.4% vs 2023, imports $1.16B
2019 to 2024
Top exporters
  1. China36.7%
  2. United States14.2%
  3. Netherlands9.4%
Top importers
  1. South Korea10.7%
  2. Germany10.1%
  3. United States9.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Stilonium iodide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Stilonium iodide, based on the data on this page

What is Stilonium iodide?

Stilonium iodide is a chemical substance with the molecular formula C22H30INO and a molar mass of 451.39 g/mol. Its CAS registry number is 77257-42-2. The IUPAC name is triethyl-[2-[4-[(E)-2-phenylethenyl]phenoxy]ethyl]azanium iodide.

What is the CAS number of Stilonium iodide?

The CAS registry number of Stilonium iodide is 77257-42-2. Other or deprecated CAS numbers: 2551-76-0.

What is the molecular formula and weight of Stilonium iodide?

The molecular formula of Stilonium iodide is C22H30INO and its molar mass is 451.39 g/mol.

Is Stilonium iodide hazardous?

No GHS hazard classification for Stilonium iodide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Stilonium iodide?

Stilonium iodide is usually classified under HS code 292390 (Quaternary ammonium salts and hydroxides, lecithins and other phosphoaminolipids…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Stilonium iodide?

CompoundList lists 1 supplier of Stilonium iodide in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Stilonium iodide?

Suppliers quote Stilonium iodide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Stilonium iodide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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