1.08379

Triethanolamine

GR for analysis

• Synonym(s): Triethanolamine, Tris(2-hydroxyethyl)amine, 2,2′,2′′-Trihydroxytriethylamine, TEA
• Linear Formula: N(CH₂CH₂OH)₃
• CAS Number: 102-71-6
• Molecular Weight: 149.19
• MDL number: MFCD00002855
• UNSPSC Code: 12352104
• EC Index Number: 203-049-8
• NACRES: NB.21

Properties

• vapor pressure: <0.01 hPa ( 20 °C)
• Quality Level: 100
• Assay: ≥99.0% (GC)
• form: viscous liquid
• autoignition temp.: 325 °C (DIN 51794)
• potency: >5000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 3.6-7.2 % (v/v)
• pH: 10.5 (20 °C, 15 g/L in H₂O)
• bp: 360 °C/1013 hPa (decomposition)
• mp: 21 °C
• transition temp: flash point 190 °C
• density: 1.12 g/cm³ at 20 °C
• storage temp.: 15-25°C
• InChI: 1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2
• InChI key: GSEJCLTVZPLZKY-UHFFFAOYSA-N

Description

Application

• Light energy utilization and microbial catalysis for enhanced biohydrogen: Ternary coupling system of triethanolamine-mediated Fe@C-Rhodobacter sphaeroides: Triethanolamine is used to enhance light energy utilization and microbial catalysis in a novel ternary system, significantly boosting biohydrogen production efficiency (Jiang et al., 2024).


• Purification and use of crude green glycerol from the transesterification of triglycerides in the formulation of an alcohol gel hand sanitizer: Triethanolamine is used to optimize the formulation of a novel alcohol gel hand sanitizer, enhancing its microbial effectiveness and user safety (Trindade Mazala et al., 2024).

Analysis Note

Purity (GC): ≥ 99
Identity (IR-spectrum): conforms
Appearance: colorless to slightly yellow viscose liquid
Chloride (Cl): ≤ 0.0001 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0001 %
Fe (Iron): ≤ 0.0001 %
Ethanolamine (GC): ≤ 0.1 %
Diethanolamine (GC): ≤ 0.5 %
Sulfated ash (600 °C): ≤ 0.005 %
Water (according to Karl Fischer): ≤ 0.2 %

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 354.2 °F - closed cup
• Flash Point(C): 179 °C - closed cup