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4231-35-0

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Basic Information
CAS No.: 4231-35-0
Name: N,N-diethyl-1-propynylamine
Article Data: 6
Molecular Structure:
Molecular Structure of 4231-35-0 (N,N-diethyl-1-propynylamine)
Formula: C7H13 N
Molecular Weight: 111.187
Synonyms: 1-Propynylamine,N,N-diethyl- (7CI,8CI); (Diethylamino)propyne; (N,N-Diethylamino)propyne;1-(Diethylamino)-1-propyne; 1-(Diethylamino)propyne;1-(N,N-Diethylamino)-1-propyne; 1-(N,N-Diethylamino)propyne;Diethyl(1-propynyl)amine; Methyl(diethylamino)acetylene;N,N-Diethyl-1-propyn-1-amine; N,N-Diethyl-1-propynamine;N,N-Diethyl-1-propynylamine; N-(1-Propynyl)diethylamine; NSC 116981
Density: 0.825g/cm3
Boiling Point: 134.3°Cat760mmHg
Flash Point: 38.7°C
Safety: Moderately toxic by ingestion and skin contact. When heated to decomposition it emits toxic fumes of NOx.
PSA: 3.24000
LogP: 1.30900
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Chemistry

IUPAC Name: N,N-Diethylprop-1-yn-1-amine
Synonyms: N,N-Diethylprop-1-yn-1-amine ; (Diethylamino)propyne ; 1-(Diethylamino)-1-propyne ; 1-(Diethylenamino)-1-propyne ; 1-(N,N-Diethylamino)propyne ; 1-Propyn-1-amine, N,N-diethyl-
CAS NO: 4231-35-0
Molecular Formula of N,N-Diethyl-1-propynylamine (CAS NO.4231-35-0) : C7H13N
Molecular Weight of N,N-Diethyl-1-propynylamine (CAS NO.4231-35-0) : 111.18482
Molecular Structure of N,N-Diethyl-1-propynylamine (CAS NO.4231-35-0) :
EINECS: 224-185-4
Mol File: 4231-35-0.mol
Index of Refraction: 1.45
Surface Tension: 29.7 dyne/cm
Density: 0.825 g/cm3
Flash Point: 38.7 °C
Enthalpy of Vaporization: 37.18 kJ/mol
Boiling Point: 134.3 °C at 760 mmHg
Vapour Pressure: 8.12 mmHg at 25°C
Properties: colorless liquid, with water decomposition.

Uses

 N,N-Diethyl-1-propynylamine (CAS NO.4231-35-0) is used as intermediates organic synthesis.

Production

Raw materials: Diethyl ether-->Lithium amide-->N,N-Diethylpropionamide 
Adding Phosgene N, N-diethyl propionamide toluene solution for the reaction, obtaining Schiff base hydrochloride which is made into anhydrous ether solution, cooling to 0°C , stirring, dropping anhydrous lithium of Dicyclohexyl amino ether solution . Put it aside , Decanting vacuum distillation of clearing fluid, collecting fractions at 60-62 °C (12kPa) , which were the product ,yield of 58%.

Toxicity Data With Reference

1.    

orl-rat LD50:840 mg/kg

     TXAPA9    Toxicology and Applied Pharmacology. 28 (1974),313.
2.    

skn-rbt LD50:570 mg/kg

     TXAPA9    Toxicology and Applied Pharmacology. 28 (1974),313.

Safety Profile

Moderately toxic by ingestion and skin contact. When heated to decomposition it emits toxic fumes of NOx.
RIDADR 2922
HazardClass 8
PackingGroup II