N,N-Diethylpropargylamine
- CAS NO.:4079-68-9
- Empirical Formula: C7H13N
- Molecular Weight: 111.18
- MDL number: MFCD00039881
- EINECS: 223-804-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-24 21:11:45
What is N,N-Diethylpropargylamine?
Description
N,N-Diethylpropargylamine is a kind of nickel plating brightener with excellent performance and excellent levelling effect. It is widely used in nickel plating and alloy plating industry, because it is insoluble in water, it is generally used after reacting with acid to form quaternary ammonium salt before use, meanwhile, it is also a kind of pharmaceutical intermediates and pesticide intermediates, and has certain application fields in fine chemical industry.
The Uses of N,N-Diethylpropargylamine
3-Diethylamino-1-propyne is used as functional leveling agent, brightener.
Synthesis Reference(s)
Journal of the American Chemical Society, 81, p. 693, 1959 DOI: 10.1021/ja01512a047
Flammability and Explosibility
Flammable
Synthesis
According to the processing condition difference reported at present, two kinds of synthesis techniques, respectively atmospheric low-temperature alkalization method and high-pressure catalysis method. The atmospheric low-temperature alkalization method generally is divided into two steps: 1) propionic alcohol reacts with phosphorus trichloride and generates propine chlorine under cold conditions; 2) upper step gained propine chlorine is reacted with diethylamine under the low-temperature alkali condition and generate N, N-diethyl propargylamine. As shown in the reaction formula:
Properties of N,N-Diethylpropargylamine
Melting point: | 157-161°C |
Boiling point: | 118-120 °C(lit.) |
Density | 0.80 g/mL at 20 °C(lit.) |
vapor pressure | 14.6hPa at 20℃ |
refractive index | n |
Flash point: | 156°C |
storage temp. | 2-8°C |
form | clear liquid |
pka | 8.54±0.25(Predicted) |
Specific Gravity | 0.811 |
color | Colorless to Light orange to Yellow |
Water Solubility | Soluble in acid. Insoluble in water. |
Sensitive | Air & Light Sensitive |
BRN | 1098468 |
CAS DataBase Reference | 4079-68-9(CAS DataBase Reference) |
NIST Chemistry Reference | 2-Propyn-1-amine, n,n-diethyl-(4079-68-9) |
EPA Substance Registry System | 2-Propyn-1-amine, N,N-diethyl- (4079-68-9) |
Safety information for N,N-Diethylpropargylamine
Signal word | Danger |
Pictogram(s) |
Flame Flammables GHS02 Corrosion Corrosives GHS05 Skull and Crossbones Acute Toxicity GHS06 |
GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral H311:Acute toxicity,dermal H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation H332:Acute toxicity,inhalation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for N,N-Diethylpropargylamine
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