4-Ethynyl-N,N-dimethylbenzenamine
[CAS# 17573-94-3]

Identification

• Name: 4-Ethynyl-N,N-dimethylbenzenamine
• Synonyms: 4-Ethynylphenyl-N,N-dimethylamine; N,N-Methyl-4-ethynylaniline; N-(4-Ethynylphenyl)-N,N-dimethylamine; [4-(N,N-Dimethylamino)phenyl]acetylene; [p-(Dimethylamino)phenyl]acetylene; p-Ethynyl-N,N-dimethylaniline
• Molecular Formula: C₁₀H₁₁N
• Molecular Weight: 145.20
• CAS Registry Number: 17573-94-3
• EC Number: 628-003-8

Properties

• Solubility: Very slightly soluble (0.16 g/L) (25 ºC), Calc.^*
• Density: 0.98±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 255 ºC (decomp)^**
• Boiling point: 227.9±23.0 ºC (760 Torr), Calc.^*
• Flash point: 83.4±19.5 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Roy, V. A. L.; Advanced Materials (Weinheim, Germany) 2005, V17(10), P1258-1261.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R36/37/38;R42/43
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin sensitization	Skin Sens.	1	H317
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319