RAW MATERIAL
Softener E90
Softener E90 Di-alkyl Ester Ammonium Methosulfate
Softener E90 Di-alkyl Ester Ammonium Methosulfate is a concentrated cationic esterquat supplied as a white to lightly yellowish paste or liquid for fabric-softening, textile-finishing, antistatic, and conditioning applications.
Chemical Name
Di-alkyl Ester Ammonium Methosulfate
Molecular Formula
(RCOOC2H4)M(C2H4OH)nN+(CH3)(CH3SO4)-
EINECS
201-793-8
PRODUCT OVERVIEW
Product Description
Softener E90 Di-alkyl Ester Ammonium Methosulfate is a concentrated ester-based quaternary ammonium cationic surfactant supplied as a white to lightly yellowish paste or liquid. It is primarily designed for fabric-softening, textile-finishing, antistatic, and conditioning applications.
The material provides strong softening performance and antistatic functionality while helping reduce undesirable yellowing in suitable textile systems. Its cationic character supports effective interaction with negatively charged textile and fiber surfaces, making it useful across a variety of fabric and finishing applications.
Softener E90 can be applied in fabric-softener systems and in the finishing of cotton, hemp, silk, wool, polyester, yarn, and other textile materials. The referenced product information also identifies conditioning applications where esterquat functionality is required.
The referenced technical specification controls appearance, odor, Gardner color, solid content, isopropanol content, active matter, amine value, pH, and acid value. Final suitability should be determined according to the intended application, supplier-specific technical documentation, applicable Safety Data Sheet, and relevant regulatory requirements.
PRODUCT PARAMETERS
General Parameters
Appearance
White to lightly yellowish paste or liquid
Physical Form
Paste or liquid
Surfactant Type
Cationic surfactant
Chemical Class
Ester-based quaternary ammonium compound / Esterquat
Odor
Slight characteristic odor
Solid Content
88-92 wt %
Main Functions
Softening, antistatic performance, conditioning, and resistance to yellowing
Reference Formulation Attributes
APEO-free and formaldehyde-free according to the reference TDS
KEY PROPERTIES
Product Characteristics
Concentrated cationic esterquat designed to provide effective softening performance on suitable textile and fiber surfaces.
Provides antistatic functionality that helps reduce unwanted static buildup in treated fabrics and fibers.
Supports textile finishing processes where improved softness, surface feel, and conditioning performance are required.
Designed to provide good resistance to undesirable yellowing in suitable fabric-softener and textile-finishing systems.
Suitable for a broad range of textile materials including cotton, hemp, silk, wool, polyester, and fiber yarn.
Its esterquat structure provides cationic surface activity together with useful conditioning characteristics.
Reference product documentation states that the formulation excludes APEO and formaldehyde.
Reference documentation describes favorable biodegradation characteristics associated with the ester-based quaternary structure.
TECHNICAL SPECIFICATIONS
Specification Data
| Specification | Standard |
|---|---|
| Appearance | White to lightly yellowish paste or liquid |
| Odor | A slight characteristic odour |
| Color (Gardner) | 8.0 max |
| Concentration (Solid content) by wt % | 88-92 |
| Isopropanol by wt % | 10 max |
| Active matter by mmol/g | 1.00-1.15 |
| Amine value by mg KOH/g | 6.0 max |
| pH (5% IPA/water 25°C) | 2.0-4.0 |
| Acid value (mg KOH/g) | 12 max |
APPLICATIONS
Typical Uses
✓
Used as a functional cationic softening ingredient in professionally formulated fabric-softener systems.
✓
Applied in cotton textile finishing where improved softness, surface conditioning, and antistatic performance are required.
✓
Used in the dyeing and finishing of hemp-based textiles and fibers requiring controlled softening performance.
✓
Applied in silk-finishing systems where suitable cationic conditioning and surface-smoothing functionality is required.
✓
Used in wool-processing and finishing applications to support softness, conditioning, and antistatic characteristics.
✓
Suitable for polyester and synthetic-fiber finishing systems requiring softening and antistatic functionality.
✓
Applied in yarn and general textile-finishing processes where a smoother and softer finished surface is required.
✓
Suitable for selected hair-conditioning formulations where esterquat-based cationic conditioning functionality is permitted and supported by the appropriate product grade and regulatory documentation.
STORAGE & HANDLING
Handling Guidance
Store in securely closed and appropriately labeled compatible containers in a cool, dry, and well-ventilated chemical-storage area. Protect the material from excessive heat, prolonged direct sunlight, moisture, contamination, and incompatible substances.
Keep containers securely closed when the product is not in use and follow the supplier-specific Safety Data Sheet and applicable workplace chemical-safety requirements.
Direct exposure to concentrated material should be minimized, and storage, transportation, spill management, and disposal should follow applicable regulations and the technical and safety documentation provided by the actual PBL supplier.
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