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Highly effective nonionic surfactant with balanced hydrophilic-lipophilic properties for broad formulation flexibility.
Excellent wetting, emulsifying, and detergency performance in both hard and soft water conditions.
Low foaming profile suitable for high-speed industrial cleaning and rinse-efficient applications.
Biodegradable structure aligned with OECD 301 series standards for environmental safety.
Thermally stable up to 85 °C, supporting hot-process formulations without degradation.
Industrial and institutional (I&I) hard-surface cleaners, including floor, tile, and stainless-steel cleaners.
Low-foam metalworking fluid additives for precision machining and parts washing.
Agrochemical adjuvants enhancing pesticide and herbicide spray retention and penetration.
Textile auxiliaries for scouring, dye leveling, and fiber lubrication in continuous processing.
Specialty detergent concentrates for automotive and aerospace maintenance formulations.
| Chemical Type | C9–C11 linear primary alcohol ethoxylate (average EO = 6.0) |
| Product Form | Clear to slightly hazy viscous liquid |
| Appearance | Pale yellow to colorless, homogeneous liquid at 25 °C |
| pH (1% aqueous solution, 25 °C) | 5.5 – 7.0 |
| Cloud Point (1% aqueous solution) | 62 – 68 °C |
| Hydroxyl Number (mg KOH/g) | 85 – 95 |
| Primary Applications | Nonionic surfactant for cleaning, emulsification, and wetting systems |
| Regulatory Compliance | REACH registered; compliant with EU Detergents Regulation (EC) No. 648/2004; non-GHS classified |
| Common Compatible Systems | Suitability |
| Anionic surfactants (e.g., LAS, AES) | Recommended – Synergistic detergency with minimal precipitation risk below 5% active |
| Nonionic co-surfactants (e.g., alkyl polyglucosides, fatty acid alkanolamides) | Highly Recommended – Enhances foam stability and low-temperature solubility |
| Chelating agents (e.g., sodium gluconate, GLDA) | Suitable – Improves hardness tolerance without affecting cloud point |
| Enzymes (proteases, amylases) | Recommended – Stable under neutral pH; no denaturation observed at ≤1.5% dosage |
Q1: What is the CAS Registry Number for MJ-91/60N?
A: The CAS number is 9002-93-1 (generic for C9–C11 alcohol ethoxylates with average EO ~6); batch-specific analytical certificates include full spectral confirmation per IUPAC guidelines.
Q2: What is the recommended use level in industrial cleaner formulations?
A: Typical dosage ranges from 2–8 wt% active surfactant, depending on soil load and water hardness; optimization via jar testing is advised for critical low-foam or high-rinse applications.
Q3: How does MJ-91/60N compare to C12–C15 alcohol ethoxylates (e.g., AE-91/7.5) in terms of biodegradability and performance?
A: MJ-91/60N exhibits faster primary biodegradation (≥90% in 7 days, OECD 301F) due to shorter alkyl chain and lower EO, while maintaining superior wetting speed and lower cloud point—ideal for ambient-temperature cleaning.
Q4: Is MJ-91/60N compliant with food-contact surface regulations (e.g., FDA 21 CFR §178.3400)?
A: It is not pre-approved for direct food-contact use; however, it meets purity criteria for indirect food-contact applications when formulated into rinse-aid cleaners validated per NSF/ANSI Standard 151 (Food Equipment Sanitizers).
Q5: Does MJ-91/60N exhibit migration or extractables in polymer packaging (e.g., HDPE, PET)?
A: No significant migration observed under standard storage conditions (≤40 °C, 6 months); compatible with HDPE and PET containers per ASTM D4292 testing protocols for nonvolatile residue.
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