CAS number 102-79-4 corresponds to the substance N-butyldiethanolamine, which is a hydroxyl containing tertiary amine organic compound commonly used as a solvent, surfactant, and organic synthesis intermediate.

Basic Information
-Chinese name: N-butyldiethanolamine (alias: N-n-butyl diethanolamine, butyl imine diethanolamine)
-English name: N-butyldiethanolamine
-Molecular formula: C ₈ H ₁ NO ₉
-Molecular weight: 161.24
-Structural formula: CH ∝ (CH ₂) ∝ N (CH ₂ CH ₂ OH) ₂
-EINECS number: 203-055-0

Main physical and chemical properties
-Appearance: Colorless to pale yellow liquid with amine odor
-Density: Approximately 0.986-1.0 g/cm ³ (20 ℃)
-Boiling point: 273-279 ℃
-Melting point: about -70 ℃
-Flash point: 118-127 ℃
-Solubility: miscible with polar solvents such as water, alcohol, ether, etc., insoluble in mineral oil
-Refractive index: approximately 1.463-1.476

Safety and storage and transportation
-Hazard category: Corrosive substances (GHS05, H314: causing severe skin burns and eye damage)
-Storage requirements: Store in a cool and ventilated place, sealed and kept away from oxidants, acids, and sources of ignition
-Acute toxicity: Oral LD ₅₀ in rats is approximately 4250 mg/kg (low to moderate toxicity)

Main application

1. Industrial solvents: used in resin, coating, and pesticide formulations
2. Surfactants/emulsifiers: used in metalworking fluids, petroleum extraction, and cosmetics
3. Corrosion inhibitor: used for metal protection in acidic environments
4. Organic synthesis intermediates: used for preparing chelating agents, drug derivatives, and functional materials

The preparation of this substance is usually obtained by condensation of n-butane with diethanolamine or addition reaction of epoxyethane with n-butylamine, and requires purification by vacuum distillation. Wear protective equipment during operation to avoid contact with skin and eyes.

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N-N-Butyldiethanolamine CAS 102-79-4
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