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DIAMMIN S-25 is a tallow amine polyethyleneglycol ether, based on tallow amine and ethylene oxide (about 25 moles). For documents specific to a region, please contact Sasol using the 'Request Document' button.
Function: Surfactant (Nonionic), Surfactant, Leveling Agent
Chemical Family: Non-Ionics, Amine Ethoxylates
End Uses: Textiles, Leather
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Identification & Functionality

Applications & Uses

Recommended Uses & Known Applications

In textile and leather applications, DIAMMIN S-25 is used as levelling and equalizing agent for high substantivity dyes, like the direct ones for cotton and cotton/PES.


Physical Form
Cloudy liquid
Typical Properties
ValueUnitsTest Method / Conditions
Density (30°C)1.05g/cm³ASTM D7042 , ASTM D4052
Physical State Changement17-23°CMPL 1001.0
Cloud Point (1% in NaCl 10%)85-90°CMPL 2001.0
Alkalinity Number38-44mg KOH/gMPL 1009.0
Free Water (Karl Fischer)max. 0.5% massRCM 3804
Viscosity at 30°C206cStASTM D445, ASTM D7042
Colormax. 10-EN ISO 6271
Flash Pointmin. 125°CASTM D 93
Molecular Weight1.275-1.475g/molCalculated
Ethylene Oxide Content81%w/wCalculated

Packaging & Availability

Packaging Type
Packaging Information

DIAMMIN S-25 is generally supplied in drums.

Storage & Handling

Shelf Life
24 months
Storage and Handling
  • DIAMMIN S-25 should preferably be stored in stainless steel tanks.
  • It is suggested to keep the product at temperature below 40°C, it is preferable to avoid heating above 60°C and to store under nitrogen in order to minimise darkening phenomena.
  • DIAMMIN S-25 is a cloudy liquid at room temperature and it becomes homogeneous and transparent at about 40°C.
  • DIAMMIN S-25 becomes a solid wax at te mperature lower than 20°C. Avoid also contact with strong oxidizers and strong acids.

Most Viewed Documents

Document Name
Diammin S-25 Technical Data Sheet
Technical Data Sheet
Technical Data Sheet
Products: DIAMMIN S-25