4,4'-[1,2-Ethenediylbis(4,1-phenyleneiminocarbonyl)]bis(N-butyl-N,N-dimethylbenzenemethanaminium) Dichloride TCI E1127

Chemical Identity

CAS No.: 1296211-78-3
PubChem: CID 145710081·SID 354333621
Formula: C42H54Cl2N4O2
Molecular weight: 717.82 g/mol
Purity: >94.0%(T)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: butyl-[[4-[[4-[(E)-2-[4-[[4-[[butyl(dimethyl)azaniumyl]methyl]benzoyl]amino]phenyl]ethenyl]phenyl]carbamoyl]phenyl]methyl]-dimethylazanium dichloride
SMILES: CCCC[N+](C)(C)CC1=CC=C(C=C1)C(=O)NC2=CC=C(C=C2)C=CC3=CC=C(C=C3)NC(=O)C4=CC=C(C=C4)C[N+](C)(C)CCCC.[Cl-].[Cl-]
InChIKey: BIMYMMDLQUWTSZ-YHPRVSEPSA-N

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This complex chemical compound is a specialized dispersant used in materials science, particularly in carbon nanotube (CNT) research. It plays a crucial role in laboratories by enabling the uniform dispersion of CNTs in various media, ensuring stability and preventing agglomeration. Its unique molecular structure allows it to form strong chemical bonds with the surface of CNTs, enhancing solubility in organic solvents and improving the overall performance of nanotube-based applications. This material is essential for achieving consistent and reliable results in nanomaterial research.

The compound’s chemical stability and strong bonding capabilities make it a preferred choice for laboratory use. It maintains its effectiveness under a range of experimental conditions, ensuring reproducibility and accuracy in research outcomes. Its ability to prevent CNT agglomeration is particularly valuable in applications requiring high dispersion quality. Additionally, its compatibility with various solvents and its resistance to degradation contribute to its reliability in both academic and industrial research settings.

In Indonesian laboratories, this dispersant is widely used in materials, electronics, and energy research. It supports the development of advanced nanotechnology applications by facilitating the uniform dispersion of CNTs. Its relevance is especially pronounced in institutions focused on nanomaterials and their practical applications, making it a key component in modern scientific research.

Advantages (TCI brochure)

Strong interaction with the SWCNT surface.
Positive charge on the stilbene core enables SWCNT dispersion in aqueous solution.
UV irradiation closes the stilbene moiety and removes it from the SWCNT surface, causing aggregation.
Precisely controllable dispersion by photo irradiation.
After aggregation, the dispersant can be easily removed by filtration.

TCI brochures (PDF)

Single-Walled Carbon Nanotube Dispersant 2024-12-06 · p. 1
Nanocarbon Materials 2026-09-30 · p. 6
Quaternary Ammonium Salts 2025-11-10 · p. 5

Related TCI products

Carbon Nanotube Dispersion: This dispersant is ideal for ensuring even distribution of CNTs in solvents, which is essential for creating high-quality nanocomposites.
Nanomaterial Synthesis: It supports the preparation of stable nanomaterial suspensions, enhancing the reproducibility of synthesis processes.
Electronic Device Fabrication: Its role in dispersing CNTs is critical for the development of advanced electronic components and conductive materials.
Energy Storage Research: It aids in the uniform dispersion of CNTs in electrolytes, which is vital for improving the performance of batteries and supercapacitors.
Surface Modification Studies: Its strong bonding properties make it suitable for modifying the surface of CNTs to enhance their functional properties.

From the TCI brochure

Purification of SWCNT by combining dispersion in solution, centrifugation and photo-induced aggregation
Development of new composite material for CNT-based film and paint

Brand	TCI
CAS number	1296211-78-3
Molecular formula	—
Purity	—
Category	Materials Science > Nanocarbon Materials > Carbon Nanotubes (CNTs) and CNT Dispersants
Pack sizes	—
Physical form	—
Storage	Store in a cool, dry place away from direct sunlight

Data from the TCI brochure

Dispersion concentration (low power sonication)	3.6 mg E1127 in 3 mL, ca. 0.12 wt% (In pure water or D2O, sonicated 80 W, 35 kHz, room temperature)
Dispersion concentration (high power sonication)	10 mg E1127 in 20 mL, ca. 0.05 wt% (In pure water or D2O, sonicated 80 W, 35 kHz, room temperature)
SWCNT added	1.96 mg (low power); 7.0 mg (high power) (Added to E1127 solution, sonicated 80 W, 35 kHz, 1 hour)
Ultrasonication (high power)	60 W, 19 kHz, 4 hours (Room temperature)
Centrifugation	28500 x g, 3 hours (22 ºC; upper 70% of supernatant collected)
Dialysis cutoff MW	1000 (Dialyzed against 3 L pure water, stirred overnight)
Photoirradiation	LED 365 nm, 100 mW/cm2 (Quartz cells, magnetic stirring, several hours)
Precipitation time	3 hours (low power sonication); 7 hours (high power sonication) (Under 365 nm LED irradiation)

Source: TCI brochure FF045 (2024-12-06)

This material should be stored in a cool, dry environment to maintain its chemical stability and effectiveness. It is recommended to use airtight containers to prevent moisture absorption and contamination. Proper labeling of storage containers is essential to ensure safe handling and easy identification. Laboratory personnel should wear appropriate personal protective equipment when handling the substance to minimize exposure risks. The material should be kept away from incompatible substances to avoid any potential chemical reactions. Regular inspection of storage conditions is advised to ensure long-term integrity and safety.

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