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Dimethylacetamide ( DMAc : DMA ) N,N-Dimethylacetamide - Polar high bp solvent - 100ml
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 N,N-Dimethylacetamide - Polar high bp solvent - 100ml "Pin It")
Description
N,N-Dimethylacetamide (DMAc, DMA)
CAS Number: 127-19-5
Molecular Formula: C₄H₉NO
Molar Mass: 87.12 g/mol
Appearance: Colorless to slightly yellow liquid with a faint amine-like odor
N,N-Dimethylacetamide (DMAc) is a high-boiling, polar aprotic solvent known for its versatility in dissolving a wide range of organic and inorganic compounds. It is miscible with water and most organic solvents, though it has limited solubility in aliphatic hydrocarbons.
Chemical and Physical Properties
Density: 0.94 g/cm³ at 20°C
Melting Point: −20°C
Boiling Point: 165–166°C
Viscosity: 0.945 mPa·s at 25°C
Flash Point: 70°C (closed cup)
Autoignition Temperature: 490°C
Vapor Pressure: 2.0 hPa at 20°C
Solubility: Miscible with water; soluble in most organic solvents
Odor: Faint amine-like
Applications
Polymer Industry: Serves as a solvent in the production of synthetic fibers such as polyacrylonitrile and spandex.
Electronics: Employed in the production of semiconductor materials and as a solvent for electrolytes.
Adhesives and Coatings: Acts as a solvent in the formulation of adhesives, paints, and coatings.
Chemical Processing: Used as a solvent or reaction medium in various industrial synthesis processes.
Safety
Signal Word: Danger
Hazard Statements:
H312: Harmful in contact with skin.
H319: Causes serious eye irritation.
H332: Harmful if inhaled.
H360: May damage fertility or the unborn child.
Precautionary Statements:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
P308+P313: IF exposed or concerned: Get medical advice/attention.
First Aid Measures
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
Skin Contact: Remove contaminated clothing immediately. Wash skin thoroughly with soap and water. Seek medical attention if symptoms occur.
Inhalation: Remove person to fresh air and keep comfortable for breathing. Seek medical attention if symptoms occur.
Ingestion: Rinse mouth. Do not induce vomiting. Seek medical attention if unwell.
Handling and Storage
Storage Conditions: Store in a tightly closed container in a cool, dry, well-ventilated place. Keep away from heat sources and open flames.
Handling Precautions: Avoid contact with skin, eyes, and clothing. Use appropriate personal protective equipment. Ensure adequate ventilation.