DMDM Hydantoin Cosmetic Preservative（CAS 6440-58-8）
Product Name: DMDM Hydantoin
INCI Name: DMDM Hydantoin
Chemical Name: 1,3-Dimethylol-5,5-Dimethylhydantoin
CAS No.: 6440-58-8
Grade: Cosmetic & Daily Chemical Grade
Active Content: 55% (Aqueous Solution)
Appearance: Colorless and Transparent Slightly Viscous Liquid
Molecular Weight: 216.21
Molecular Formula: C₇H₁₂N₂O₄
MOQ (Minimum Order Quantity): 1KG
Solubility: Fully soluble in water, ethanol and common cosmetic solvents, easy to disperse evenly without precipitation
pH Range: 3.0 - 9.0 (Ultra-wide acid-base adaptability)
Density (25℃): 1.15 - 1.20g/cm³
Key Characteristics: Broad-spectrum high-efficiency bacteriostasis, ultra-wide pH adaptability, stable high-temperature performance, excellent formula compatibility, low dosage and high cost performance, no peculiar smell, no influence on product color and texture
Storage Condition: Sealed, dry, cool and ventilated environment, avoid high temperature, freezing and long-term strong light exposure
Shelf Life: 24 Months
Application: Widely used in water-based cosmetics, emulsified cream formulas, washing and care products, daily chemicals and personal care products as high-efficiency broad-spectrum antibacterial and preservative agent
DMDM Hydantoin, Cosmetic Preservative, Broad Spectrum Antiseptic, Water Soluble Preservative, High Efficiency Bacteriostatic Agent, Daily Chemical Preservative, Low Cost Antimicrobial Raw Material
DMDM Hydantoin Cosmetic Preservative（CAS 6440-58-8）
Cosmetic-grade DMDM Hydantoin is a high-efficiency broad-spectrum water-soluble preservative, which is one of the most cost-effective antimicrobial raw materials in the global daily chemical and cosmetic industry. It adopts advanced hydantoin synthesis process with stable molecular structure, which can efficiently inhibit and kill various harmful microorganisms including gram-positive bacteria, gram-negative bacteria, molds and yeasts.
It perfectly solves common quality problems such as cosmetic mildew, turbidity, odor deterioration and bacterial exceeding standard during production, transportation and long-term storage. The product has ultra-wide pH adaptability and excellent high-temperature resistance, maintaining stable antibacterial activity in both acidic and alkaline environments, and no inactivation during high-temperature homogenization and sterilization processes of cosmetics.
With low dosage and high efficiency characteristics, trace addition can achieve long-term full-range antiseptic protection. It has good compatibility with water phase, oil phase and emulsified systems, no stratification, no precipitation, no peculiar smell, and will not affect the color, fragrance, viscosity and skin feel of finished products. Fully compliant with international and domestic cosmetic safety standards, it is a universal and economical preferred preservative for various daily chemical formula systems.
Key Benefits
• Full-Spectrum Sterilization & Bacteriostasis: Effectively resist bacteria, molds and yeasts, cover all common harmful microorganisms in cosmetics, completely avoid product deterioration and mildew.
• Ultra-Wide pH Adaptability: Stable antiseptic activity in pH 3.0-9.0 environment, suitable for acidic, neutral and alkaline formulas with strong process tolerance.
• High Temperature Resistance & Stable Activity: Adapt to cosmetic high-temperature production process, no decomposition and no inactivation, stable performance in long-term storage.
• Low Dosage & High Cost Performance: Trace addition achieves long-term antiseptic effect, low usage cost, high cost performance, suitable for mass production.
• Excellent Formula Compatibility: Good miscibility with all conventional cosmetic systems, no stratification or precipitation, no damage to finished product texture.
• Pure & No Secondary Pollution: Colorless and odorless liquid, no discoloration, no peculiar smell, no secondary pollution to finished products.
Applications
• Water-Based Skin Care Products: Suitable for toner, moisturizing water, essence, mask liquid and other water-based formulas to prevent microbial contamination and extend shelf life.
• Cream & Lotion Emulsified Formulas: Widely used in face cream, body lotion, hand cream and emulsified skin care products to stabilize system and prevent mildew deterioration.
• Washing & Care Daily Chemicals: Ideal preservative for shampoo, body wash, facial cleanser, hand sanitizer and detergent products, suitable for large-batch daily chemical production.
• Personal Care Products: Applied in shaving cream, bath products, skin care spray and daily personal care products with stable and lasting antiseptic effect.
• General Daily Chemical Formulas: Suitable for various low-viscosity and medium-viscosity daily chemical products, with wide adaptability and stable bacteriostatic performance.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | DMDM Hydantoin | Compliant |
CAS No. | 6440-58-8 | Compliant |
Appearance | Colorless Transparent Slightly Viscous Liquid | Compliant |
Effective Content | 55.0%±1.0% | 55.2% |
pH Value | 5.0 - 7.0 | 5.8 |
Density (25℃) | 1.15 - 1.20g/cm³ | 1.17g/cm³ |
Moisture Content | ≤45.0% | 44.8% |
Heavy Metal (Pb) | ≤10ppm | Qualified |
Heavy Metal (As) | ≤2ppm | Qualified |
Microorganism | Sterile, Compliant with Cosmetic Grade Standard | Qualified |
Conclusion | Conforms to cosmetic grade quality standard | Qualified |
Frequently Asked Questions (FAQ)
• Q1: What is the MOQ of cosmetic grade DMDM Hydantoin?
A1: The standard MOQ is 1KG, and sample orders are supported for quality testing.
• Q2: What export certification documents can be provided?
A2: Complete COA, MSDS and full set of global customs clearance documents are available.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Conventional addition ratio is 0.2%-0.6% for most water-based and emulsified cosmetic formulas, low dosage with stable long-term antiseptic effect.
• Q4: What formulas is DMDM Hydantoin suitable for?
A4: It is widely suitable for all water-soluble, emulsified, acidic and alkaline daily chemical formulas, with extremely wide adaptability and no formula restrictions.
• Q5: Will it affect the color and smell of finished products?
A5: The product is colorless and odorless with pure texture, which will not change the color, fragrance, viscosity and skin feel of cosmetic finished products.
• Q6: Do you support stable large-batch supply all year round?
A6: Sufficient factory capacity ensures continuous and stable bulk supply throughout the year.
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