Cosmetic Grade Isododecane-CAS 31807-55-3
Product Name: Isododecane
INCI Name: Isododecane
Alias: High Purity Isomeric Dodecane, Ultra-Light Inert Alkane, Fast-Dry Dry-Touch Base Oil, Makeup Special Refreshing Solvent, Non-Comedogenic Low-Viscosity Emollient
CAS No.: 31807-55-3
Grade: Cosmetic Premium Refined Grade (High Purity Inert Special Grade)
Appearance: Colorless and transparent low-viscosity oily liquid, pure and impurity-free, odorless, excellent fluidity at room temperature, no turbidity, precipitation or stratification after long-term storage, with extremely stable chemical inertness and outstanding high and low temperature stability
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, infinitely miscible with synthetic esters, vegetable oils, mineral oils, silicone oils and all wax phases, fully compatible with conventional cosmetic oil-phase systems. With ultra-low viscosity, ultra-fast spreading and complete volatility-free characteristics, it is easy to emulsify and process, with stable formula performance under extreme temperature conditions, perfectly suitable for high-standard refreshing skin care and long-lasting matte makeup mass production
Storage Condition: Sealed and stored in dry, cool and ventilated warehouse, avoid high temperature baking, direct sunlight and humid environment; prevent long-term high temperature oxidation and molecular performance attenuation; keep tightly sealed after opening to isolate air, maintain stable fluidity and dry-touch emollient performance
Shelf Life: 24 Months
Isododecane, Cosmetic Grade Isododecane, Ultra-Light Dry Touch Alkane Oil, Fast Spreading Makeup Base, Non-Greasy Cosmetic Solvent, Inert Refreshing Emollient, Long Lasting Makeup Raw Material
Cosmetic Grade Isododecane-CAS 31807-55-3
Cosmetic Grade Isododecane is a high-purity inert branched alkane refined by professional hydrogenation purification and multi-stage fractionation technology. As a top-tier dry-touch cosmetic base oil and high-efficiency universal solvent, it features ultra-low viscosity, ultra-fast spreading and zero greasy residue, with purer skin feeling and stronger formula stability than conventional alkane oils and ester oils.
It can instantly fit and smooth the skin without sticky feeling or oil shine, creating a long-lasting clean matte skin condition. With excellent chemical inertness and oxidation resistance, it never reacts with other cosmetic ingredients, effectively avoiding formula deterioration, delamination and yellowing, greatly improving product shelf stability.
It has powerful solubilizing and dispersing effects on sunscreen agents, color pigments and oil-soluble functional components, improving product uniformity and efficacy. Mild, non-irritating, non-comedogenic and non-sensitizing, it is the preferred core raw material for oily skin refreshing care and high-end long-wear matte makeup, widely adopted in global high-standard cosmetic manufacturing.
Key Benefits
• Extreme Dry-Touch & Zero Greasy Residue: Ultra-pure inert branched alkane structure, lighter and drier than isohexadecane, fast absorption without oil shine or sticky burden, creating top-grade matte clean skin feeling.
• Ultra-Fast Spreading & Zero Drag: Industry-leading ultra-low viscosity, effectively eliminate skin care and makeup dragging feeling, improve product ductility and silky application experience.
• Super Chemical Inertness & High Stability: No chemical reaction with any formula components, excellent oxidation and temperature resistance, no yellowing or deterioration for long-term storage, stable four-season formula performance.
• Powerful Solubilizing & Dispersion Capacity: Excellent solubilizing effect on sunscreen agents, pigments, essential oils and oil-soluble actives, prevent formula precipitation and stratification, improve product clarity and uniformity.
• Mild & Non-Comedogenic & Non-Sensitizing: High-purity inert raw material, low irritation, non-pore-blocking, friendly to oily skin, acne-prone skin and sensitive skin, zero skin burden.
• Wide Compatibility & Easy Processing: Fully compatible with alkanes, esters, silicone oils, vegetable oils and wax phases, easy to emulsify and process, suitable for large-scale stable mass production.
Applications
• Oil-Free Refreshing Skin Care Series: Core base oil for oil-control lotion, lightweight moisturizing cream and refreshing gel products, eliminate greasy feeling and maintain long-lasting skin freshness.
• Matte Long-Lasting Color Cosmetics: Key raw material for matte primer, long-wear foundation, concealer, contour cream and setting products, improve makeup smoothness and wear resistance.
• High-Clarity Refreshing Sunscreen: Professional solvent and emollient for transparent sunscreen formulas, improve sunscreen dispersion efficiency, reduce white cast and greasy feeling.
• Oil-Soluble Active Carrier Formulas: Ideal carrier for lipophilic vitamins, plant essences and functional actives, stabilize active efficacy and promote uniform distribution.
• Sensitive & Acne-Prone Skin Care: Suitable for mild zero-burden skin care formulas for fragile skin, balance water and oil, relieve dryness without clogging pores.
• Mild Cleansing & Makeup Removing Products: Applied in refreshing cleansing oil and makeup remover formulas, efficiently dissolve makeup residue with clean and non-residual rinsing feeling.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Cosmetic Grade Isododecane | Compliant |
Appearance | Colorless Transparent Oily Liquid | Compliant |
Odor | Odorless, No Peculiar Smell | Qualified |
Relative Density (25℃) | 0.750~0.770 | 0.761 |
Refractive Index (25℃) | 1.420~1.435 | 1.426 |
Viscosity (25℃, mPa·s) | 1.5~3.0 | 2.2 |
Boiling Range | 170~190℃ | 182℃ |
Moisture & Volatile Matter | ≤0.05% | 0.02% |
Acid Value | ≤0.01mg/g | 0.01mg/g |
Heavy Metal (Pb) | ≤1ppm | 0.2ppm |
Arsenic (As) | ≤0.5ppm | 0.1ppm |
Total Bacteria | ≤100CFU/g | Qualified |
Pathogenic Bacteria | Negative | Negative |
Conclusion | Conforms to cosmetic grade quality standard | Qualified |
Frequently Asked Questions (FAQ)
• Q1: What is the MOQ of Cosmetic Grade Isododecane?
A1: The standard MOQ is 25KG, and sample orders are supported for formula testing and efficacy trial production.
• Q2: What certification documents can be provided?
A2: Complete COA, MSDS, heavy metal and microbial test reports and full set of customs clearance documents are available to support export declaration and cosmetic product filing.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Refreshing skin care products: 6%–28%; Matte makeup products: 10%–22%; Sunscreen preparations: 8%–20%; Functional active carrier: 4%–15%; Cleansing products: 12%–35%, adjustable according to product texture and efficacy positioning.
• Q4: What is the difference between Isododecane and Isohexadecane?
A4: Both are high-purity branched alkanes. Isododecane has lower viscosity, faster spreading and drier skin feeling than isohexadecane, with better makeup sustainability and powder dispersion effect, more suitable for high-demand matte long-wear makeup. Isohexadecane has slightly better moisturizing performance and is more suitable for daily refreshing skin care.
• Q5: Is Isododecane suitable for oily and sensitive skin formulas?
A5: Yes. It is chemically inert, non-occlusive and non-comedogenic, with zero skin burden. It can effectively reduce product greasiness, control skin oil shine, and relieve sensitive skin dryness, perfectly suitable for oily, acne-prone and sensitive skin care systems.
• Q6: What are the formula matching notes?
A6: It is oil-phase raw material, recommended to add at 50-80℃ oil phase; stable under conventional cosmetic processing temperature; can be compounded with isohexadecane, synthetic esters and silicone oils to balance spreading performance, dry-touch feeling and moisturizing effect.
• Q7: Do you support stable large-batch supply all year round?
A7: Standardized hydrogenation and fractionation production lines ensure stable batch viscosity, purity and inertness indicators, consistent product quality, sufficient inventory all year round, supporting long-term cooperative orders and customized formula matching services.
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