Formalin / DMDMH (Preservative) is a highly effective antibacterial and antifungal preservative widely used in cosmetic, personal care, and cleaning formulations. It ensures long-term protection of products against microbial growth, mold, and spoilage during storage.
At MANNAT ENTERPRISES, we supply high-quality DMDMH (Dimethylol Dimethyl Hydantoin), a safer and more stable formaldehyde-releasing preservative used globally in shampoos, hand wash gels, liquid detergents, and floor cleaners. It is known for its broad-spectrum antimicrobial performance and compatibility with surfactants, fragrances, and other formulation ingredients.
🔹 Chemical Details:
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Chemical Name: DMDM Hydantoin / Formalin Solution
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Chemical Formula: C₇H₁₂N₂O₄
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Purity: ≥ 55% (Active Content)
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Appearance: Clear to slightly yellow liquid
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Odor: Mild characteristic
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Solubility: Completely soluble in water
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Nature: Formaldehyde-releasing antimicrobial preservative
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pH (1% Solution): 6.5 – 7.5
🔹 Key Applications:
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Cosmetic & Personal Care Formulations:
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Used as a preservative in shampoos, conditioners, hand wash gels, creams, and lotions.
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Prevents bacterial and fungal growth, extending shelf life.
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Home & Cleaning Products:
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Ideal for liquid detergents, floor cleaners, toilet cleaners, and phenyl concentrates.
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Maintains product freshness and prevents odor formation due to microbial contamination.
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Industrial & Institutional Use:
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Used in cooling towers, adhesives, and emulsions as a microbicidal additive.
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🔹 Advantages & Benefits:
✅ Broad-spectrum antibacterial and antifungal protection
✅ Long-lasting preservation even in warm and humid environments
✅ Excellent solubility and stability in surfactant systems
✅ Compatible with acids, alkalis, and essential oils
✅ Cost-effective and efficient at low dosages
✅ Reduces the need for additional preservatives
🔹 Recommended Usage:
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Cosmetics / Personal Care: 0.2 – 0.6%
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Detergents / Liquid Cleaners: 0.3 – 1.0%
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Industrial Applications: 0.5 – 1.5%
Always add DMDMH at temperatures below 50°C to maintain its preservative activity.
🔹 Handling & Storage Instructions:
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Store in tightly sealed HDPE drums or containers.
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Keep in a cool, dry, and well-ventilated place.
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Avoid exposure to direct sunlight and high temperatures.
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Use gloves, goggles, and proper ventilation while handling.
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Shelf life: 24 months under recommended conditions.
✅ FAQs:
Q1. What is Formalin / DMDMH used for?
👉 It is used as a preservative to prevent bacterial and fungal growth in cosmetics, detergents, and cleaning products.
Q2. Is DMDMH safe for cosmetic use?
👉 Yes, DMDMH is approved for use in rinse-off and limited leave-on formulations when used within recommended concentrations.
Q3. What is the difference between Formalin and DMDMH?
👉 Formalin is a basic formaldehyde solution, while DMDMH is a controlled formaldehyde-releasing compound that offers safer, gradual preservation.
Q4. Can DMDMH be used in acidic or alkaline formulations?
👉 Yes, it is compatible with a wide pH range (3–9), making it suitable for most cleaning and cosmetic applications.
Q5. How should DMDMH be added to a formulation?
👉 Add it to the cooled batch (below 50°C) during the final mixing stage for optimal effectiveness.
✅ Disclaimer:
The above information is provided for educational and industrial reference purposes. Handle all preservatives responsibly and adhere to recommended usage guidelines. MANNAT ENTERPRISES is not responsible for improper use or overdosage.
