三乙醇胺

InChI key

GSEJCLTVZPLZKY-UHFFFAOYSA-N

InChI

1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2

SMILES string

OCCN(CCO)CCO

vapor density

5.14 (vs air)

vapor pressure

0.01 mmHg ( 20 °C)

product line

BioUltra

assay

≥99.5% (GC)

form

liquid, viscous liquid

autoignition temp.

600 °F

expl. lim.

8.5 %

impurities

insoluble matter, passes filter test, ≤0.1% ethanolamine (GC), ≤0.2% water, ≤0.3% diethanolamine (GC)

ign. residue

≤0.1% (as SO₄)

Quality Level

200

pH

10.5-11.5 (25 °C, 1 M in H₂O)

useful pH range

7.3-8.3

pKa (25 °C)

7.8

bp

190-193 °C/5 mmHg (lit.)

mp

17.9-21 °C (lit.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

density

1.124 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤1 mg/kg, sulfate (SO₄^2-): ≤20 mg/kg

cation traces

Al: ≤2 mg/kg, As: ≤0.1 mg/kg, Ba: ≤1 mg/kg, Bi: ≤2 mg/kg, Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Li: ≤1 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Mo: ≤1 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Sr: ≤1 mg/kg, Zn: ≤1 mg/kg

absorption

cut-off at 270 nm in H₂O at 1 M

λ

1 M in H₂O

UV absorption

λ: 280 nm A_max: 0.1