Keycure 8179
[CAS# 119344-86-4]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyrimidine compound >> Ketones
• Name: Keycure 8179
• Synonyms: 2-(4-Methylbenzyl)-2-(dimethylamino)-1-(4-morpholinophenyl)butan-1-one; Irgacure 379
• Molecular Formula: C₂₄H₃₂N₂O₂
• Molecular Weight: 380.52
• CAS Registry Number: 119344-86-4
• EC Number: 438-340-0
• SMILES: CCC(CC1=CC=C(C=C1)C)(C(=O)C2=CC=C(C=C2)N3CCOCC3)N(C)C

Properties

• Density: 1.1±0.1 g/cm³, Calc.^*, 1.083 g/cm³
• Index of Refraction: 1.564, Calc.^*
• Boiling Point: 542.0±50.0 °C (760 mmHg), Calc.^*
• Flash Point: 281.6±30.1 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS08;GHS09 Warning
• Risk Statements: H361-H361fd-H410
• Safety Statements: P203-P273-P280-P318-P391-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Reproductive toxicity	Repr.	2	H361
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Reproductive toxicity	Repr.	2	H361d

Discovery and Applications

Keycure 8179 is a specialized chemical compound prominently used as a photoinitiator in UV-curable systems. This compound is integral to the field of photopolymerization, where it plays a vital role in initiating polymerization processes upon exposure to ultraviolet (UV) light.

The discovery of Keycure 8179 emerged from ongoing research into improving photoinitiator systems for various industrial applications. This compound, known for its efficient performance, belongs to the class of photoinitiators that are designed to generate reactive species under UV light, which then initiate the polymerization of monomers in coatings, inks, and adhesives. Its structure, which includes functional groups specifically tailored for light absorption and reactivity, enables it to be highly effective in UV-curable formulations.

Keycure 8179 is extensively employed in the production of UV-cured coatings, which are used in a wide range of applications, from automotive finishes to consumer electronics. The compound's effectiveness as a photoinitiator contributes to the rapid curing of coatings, resulting in high-quality finishes with enhanced durability and resistance to environmental factors. This rapid curing capability is crucial for applications requiring quick processing times and robust end-use properties.

In addition to coatings, Keycure 8179 finds applications in UV-curable inks and adhesives. In these formulations, the compound ensures efficient curing and bonding, which is essential for maintaining the performance and longevity of the printed materials and adhesive joints. The use of Keycure 8179 in these applications helps achieve strong, reliable bonds and durable prints, making it valuable in industries such as packaging, printing, and manufacturing.

The compound operates by absorbing UV light and generating reactive species, such as free radicals or cations, which then initiate the polymerization of monomers. This mechanism allows for precise control over the curing process, leading to improved material properties and enhanced performance of the final products.

Handling Keycure 8179 requires adherence to safety guidelines to prevent exposure to UV light and ensure safe usage. Proper protective equipment and safety protocols should be followed to minimize potential health risks associated with this photoinitiator.

Overall, the introduction and application of Keycure 8179 have significantly advanced the capabilities of UV-curable systems, providing enhanced performance in coatings, inks, and adhesives. Its role as an efficient photoinitiator underscores its importance in developing high-quality, durable materials across various industrial applications.

References

n.d. https://www.epa.gov/tsca-inventory. EPA TSCA Inventory.
URL: https://www.epa.gov/tsca-inventory

n.d. https://echa.europa.eu/candidate-list-table. ECHA Candidate List.
URL: https://echa.europa.eu/candidate-list-table

n.d. https://www.epa.gov/chemical-data-reporting. EPA Chemical Data Reporting.
URL: https://www.epa.gov/chemical-data-reporting