Description

Lawinal is a specialized organic chemical compound with the CAS registry number 55743-09-4. This compound is valued for its utility as a key intermediate in the synthesis of more complex molecules, particularly in the pharmaceutical and advanced materials sectors. It is essential for research and development chemists and production facilities seeking high-purity building blocks for active pharmaceutical ingredients (APIs) and functional materials.

Application

Lawinal (CAS 55743-09-4) serves as a versatile intermediate in several high-value industrial and research applications. Its specific structure makes it suitable for processes requiring precise chemical functionality.

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: Serves as a standard or starting material in organic synthesis for exploring new reaction pathways and methodologies.
• Fine Chemical Production: Integrated into the manufacture of complex dyes, pigments, and photographic chemicals.

Basic Information

Product Name	Lawinal
CAS No.	55743-09-4
Molecular Formula	C10H10O3
Molecular Weight	178.18 g/mol
Synonyms	2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-; 7-(Diethylamino)-4-methylcoumarin; Coumarin 1; C1; 4-Methyl-7-diethylaminocoumarin; 7-Diethylamino-4-methylcoumarin; Laser dye C1; Basic Yellow 40
EINECS	Contact for details

Quality Control

Our Lawinal is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation via spectroscopic methods (IR, NMR). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications. Custom purity grades and analytical packages are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	72 - 76 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.