Diethanolamine

Diethanolamine is used in chemical synthesis and functions as a corrosion inhibitor and intermediate in base chemicals.

Principal: SASOL Germany GmbH

Chemical Name: Diethanolamine (DEA)

Chemical Family: Amines

Enhanced TDS

Identification & Functionality

Base Chemicals Functions
Chemical Family
Chemical Name
Function
Corrosion Inhibitor, Intermediate
Molecular Formula
C₄H₁₁NO₂
Product Code
MITM15146
Technologies
Product Families

Applications & Uses

Applicable Processes

Properties

Physical Form
Key Properties
  • Vapor Pressure

°C

126.7 176.7 195.9 215.4 251 269.5
hPa 5 50 100 200 600 1,000
  • Viscocity
°C 30 40 60 60 100
mPa.s 492 196 58.4 58.4 11.2

 

 

 

Packaging & Availability

Principal Information

Group Principal Number
S002380
Principal

Storage & Handling

Storage Conditions

Stainless steel vessels (Steel No. 1.4541 or 1.4571) or iron vesssels at about 35 C; no light metals and no copper

Other

Appearance
Crystalline solid
Color (SDS)
Colorless
Flammable Nature (SDS)
Not auto - flammable
Item Number
Miscible in (SDS)
Water
Odor (SDS)
Slight ammoniacal
Other Hazards
No hazards to be specially mentioned
Protect from Freezing
Yes
Temperature Control
No
USA/DOT UN Number
Not Applicable
Material Composition
ValueUnitsTest Method / Conditions
Diethanolamine Contentmin. 99.0 %(M/M)%(M/M)Gas Chromatography
Monoethanolamine Contentmax. 0.3 %(M/M)%(M/M)Gas Chromatography
Triethanolamine Contentmax. 1.0 %(M/M)%(M/M)Gas Chromatography
Optical Properties
ValueUnitsTest Method / Conditions
Color Scalemax. 10.0 Pt-CoPt-CoDIN EN 1557 Melted
Color Scalemax. 10.0 Pt-CoPt-CoMelted
Refractive Index1.472-ASTM D1747 nD40
Physical Properties
ValueUnitsTest Method / Conditions
Boiling Point270.3 °C°Cat 1013 hPa, decomposes
Density1.0838 g/mLg/mLASTM D3505 at 40°C
Flash Point177.0 °C°CEN 22719
Molecular Weight105.14 g/molg/mol
Setting Point27.8 °C°CDIN ISO 3841
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Boiling Point (SDS)approx. 270.0 °C°CASTM E537 at 1 mmHg, room temperature
Density (SDS)1.09 g/cm³g/cm³At 30°C
Ignition Temperature (SDS)approx. 370.0 °C°CDIN 51794
Log Partition Coefficient (Log Pow) (SDS)-2.18-OECD 107 at 25°C, pH: 7.15, n-octanol /water
Melting Point (SDS)approx. 27.0 °C°CISO 1218
Vapor Pressure (SDS)0.01 hPahPaASTM D2879 at 38°C
Viscosity (SDS)approx. 490.0 mPa.smPa.sAt 30°C
pH (SDS)approx. 11.0-at 20°C, 20 g/L
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life0.0 dd
Thermal Properties
ValueUnitsTest Method / Conditions
Enthalpy of Vaporization616.0 kJ/kgkJ/kgat 1013 hPa
Ignition Temperature370.0 °C°CDIN 51794
Specific Heat2.47 kJ/kg.KkJ/kg.KAt 50°C