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Diethanolamine Structure

Diethanolamine

Chemical Properties

Melting point 28 °C (lit.)
Boiling point 217 °C/150 mmHg (lit.)
Density  1.097 g/mL at 25 °C (lit.)
vapor density  3.6 (vs air)
vapor pressure  <0.98 atm ( 100 °C)
refractive index  n20/D 1.477(lit.)
Flash point 280 °F
storage temp.  2-8°C
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Viscous Liquid or Low Melting Solid
color  APHA: ≤15
Specific Gravity 1.09
PH 11.0-12.0 (25℃, 1M in H2O)
pka 8.88(at 25℃)
Odor Mild ammoniacal; faint, fishy; characteristic.
explosive limit 2.1-10.6%(V)
Water Solubility  MISCIBLE
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.02
Merck  14,3107
BRN  605315
Exposure limits TLV-TWA 3 ppm (~13 mg/m3) (ACGIH).
Dielectric constant 2.8(25℃)
Stability Stable. Incompatible with carbon dioxide, strong acids, strong oxidizing agents. Deliquescent.
InChIKey ZBCBWPMODOFKDW-UHFFFAOYSA-N
LogP -2.46 at 25℃
CAS DataBase Reference 111-42-2(CAS DataBase Reference)
IARC 2B (Vol. 77, 101) 2013
NIST Chemistry Reference Diethanolamine(111-42-2)
EPA Substance Registry System Diethanolamine (111-42-2)

Safety Information

Hazard Codes  Xn
Risk Statements  22-38-41-48/22
Safety Statements  26-36/37/39-46
RIDADR  3267
OEB A
OEL TWA: 3 ppm (15 mg/m3)
WGK Germany  1
RTECS  KL2975000
3
Autoignition Temperature 689 °F
TSCA  Yes
PackingGroup  II
HS Code  29221200
Hazardous Substances Data 111-42-2(Hazardous Substances Data)
Toxicity LD50 orally in rats: 12.76 g/kg (Smyth)

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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