8.03010

Diethylamine

for synthesis

• Synonym(s): Diethylamine, N-Ethylethanamine
• Linear Formula: (C₂H₅)₂NH
• CAS Number: 109-89-7
• Molecular Weight: 73.14
• MDL number: MFCD00009032
• UNSPSC Code: 12352116
• EC Index Number: 203-716-3
• NACRES: NA.22

Properties

• vapor pressure: 253 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99% (GC)
• form: liquid
• autoignition temp.: 290 °C
• potency: 540 mg/kg LD₅₀, oral (Rat); 582 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 2.0-11.8 % (v/v)
• pH: 13 (20 °C, 100 g/L in H₂O)
• bp: 56 °C/1013 mbar
• mp: -50 °C
• transition temp: flash point -23 °C
• density: 0.71 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C4H11N/c1-3-5-4-2/h5H,3-4H2,1-2H3
• InChI key: HPNMFZURTQLUMO-UHFFFAOYSA-N

Description

Application

• Chemiresistive Sensor Development: Diethylamine was used to enhance the sensitivity of a chemiresistive sensor for CO₂ gas monitoring, demonstrating its utility in environmental and industrial applications (Rath et al., 2024).


• Supercritical Fluid Chromatography: Aromatic stationary phases were synthesized using diethylamine, evaluated based on the linear solvation energy relationship model, which expanded its application in supercritical fluid chromatography (Ge et al., 2024).


• Nanoparticle Synthesis: Diethylamine facilitated the sol-gel method modifications for synthesizing silver-silica nanoparticles, enhancing their theranostic potential in cancer treatment (Nikolopoulou et al., 2023).


• Pharmaceutical Analysis: Diethylamine was key in developing a novel enantioselective high-performance liquid chromatography-mass spectrometry method, applied to differentiate dextro- and levo-methorphan in post-mortem samples, showcasing its critical role in forensic and clinical toxicology (Jorbenadze et al., 2024).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.703 - 0.705
Water (K. F.): ≤ 0.10 %
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS05,GHS06
• Signal Word: Danger
• Hazard Statements: H225 - H301 + H311 - H314 - H332 - H335
• Precautionary Statements: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): -14.8 °F - closed cup
• Flash Point(C): -26 °C - closed cup