About N,N-Dimethyl Aniline (DMA)
N,N-Dimethyl Aniline (DMA)
CAS No.: 121-69-7
Molecular Formula : C8H11N
Molecular Weight : 121.18
Description : A light yellow oloured oily liquid
Assay : 99.7% (min).
Specific Gravity : 0.958 at 20 o/20 oC.
Moisture : 0.1% (max).
Monomethyl Aniline : 0.3% (max).
Boiling Point : 192.5 C
Freezing Point : +1.8 C (min)
Flash Point : 63 C Industrial Applications and BenefitsDMA serves as a vital intermediate in the manufacture of dyes, pigments, and pharmaceuticals, facilitating complex chemical synthesis with high purity (minimum 99%). It enhances product performance in industries such as rubber chemicals and color photography, making it indispensable for manufacturers seeking reliable results and quality consistency.
Safe Handling and Storage PracticesDue to its toxicity and volatile nature, DMA must be handled with appropriate personal protective equipment, including gloves, eye/face protection, and suitable clothing. Store DMA in a cool, dry, and well-ventilated area, away from ignition sources, to maintain its integrity and prevent hazardous incidents. Routine monitoring is advised for safe workplace compliance.
Packaging and Transportation GuidelinesDMA is available in drums or tankers tailored to operational demands. It is transported under UN 2253 (DOT Hazard Class 6.1, Packing Group III) regulations, ensuring secure worldwide shipment. Following proper labeling and handling procedures is essential for safe transit and delivery.
FAQs of N,N-Dimethyl Aniline (DMA):
Q: How should N,N-Dimethyl Aniline (DMA) be stored to maintain its stability and quality?
A: DMA should be kept in tightly sealed containers in a cool, dry, and well-ventilated location, away from direct sunlight and all sources of ignition. This prevents oxidation and degradation, preserving its quality and shelf life of up to two years.
Q: What personal protective equipment is required when handling N,N-Dimethyl Aniline?
A: When working with DMA, always wear chemical-resistant gloves, safety goggles or face protection, and suitable clothing to prevent inhalation, skin absorption, or accidental ingestion, as the compound is toxic on contact or exposure.
Q: Where is DMA commonly used within the industry?
A: DMA finds extensive use in sectors like industrial manufacturing, specifically in dye and pigment production, pharmaceuticals, rubber chemical synthesis, and color photography as a key intermediate for chemical processes.
Q: What process should be followed if there is a spill of DMA in the workplace?
A: In the event of a spill, evacuate the area and use absorbent materials to contain and collect the liquid, avoiding direct contact. Dispose of waste through a certified hazardous material handler, and ventilate the area thoroughly before resuming work.
Q: When should workplace exposure to DMA be monitored?
A: Continuous monitoring is recommended whenever DMA is handled or processed. Routine air quality assessments and personal exposure checks help mitigate health risks and ensure compliance with safety standards.
Q: What benefits does DMA offer for chemical synthesis and industrial manufacturing?
A: DMAs high purity and reliable physical properties allow manufacturers to achieve consistent quality in synthetic procedures, making it a preferred intermediate for efficient process control and finished product performance.