Isododecane is a lightweight, volatile hydrocarbon used in cosmetic and personal care formulations as a solvent and emollient. It is valued for its low viscosity, easy spreadability and ability to provide a lightweight, less oily feel. It is commonly considered for makeup, lip products, skin-care preparations and selected hair-care formulations where rapid evaporation and smooth application are desirable.
In cosmetic formulations, Isododecane can help distribute other ingredients across the application surface and reduce the heavy or greasy feel associated with some oil-based materials. As the volatile component evaporates, the remaining ingredients contribute to the finished product's texture, coverage and appearance. The final effect depends on the complete formulation and the grade used.
Isododecane is a branched-chain hydrocarbon rather than a vegetable oil or a conventional triglyceride emollient. Its volatility distinguishes it from heavier, less volatile materials such as mineral oil and many non-volatile cosmetic emollients.
Swapnroop provides product information to help cosmetic manufacturers, personal-care formulators and bulk ingredient purchasers evaluate Isododecane for their formulation requirements. The intended cosmetic grade, product identity, purity and technical documentation should be verified before use.
Isododecane is a branched-chain aliphatic hydrocarbon generally represented by the molecular formula C₁₂H₂₆. Commercial material may contain a distribution of related isomers, depending on the product specification.
It belongs to the isoparaffin family and is used in cosmetic formulations for its solvent properties, spreadability and volatile character. Its low viscosity can help formulations spread readily, while evaporation can reduce the amount of volatile carrier remaining on the application surface.
The ingredient is generally insoluble in water and is typically incorporated into compatible oil-based or solvent-based systems. It can be useful in decorative cosmetics that require smooth application, even distribution and a lightweight finish.
The exact composition and quality profile depend on the commercial grade. Cosmetic manufacturers should confirm that the material is suitable for the intended application rather than assuming that every industrial-grade hydrocarbon meets cosmetic requirements.
CAS Number 31807-55-3 and EC Number 250-816-8 are commonly referenced for Isododecane. Other identifiers are associated with related isomers or classifications. Confirm the correct identifier for the exact supplied grade.
Isododecane can dissolve or carry compatible formulation ingredients and help distribute them across the application surface. Its usefulness as a solvent depends on the solubility of the other ingredients and the requirements of the formulation.
Isododecane can contribute to a smooth application and a lightweight sensory profile. Compared with heavier, non-volatile oils, its volatility can reduce the oily residue remaining after application.
Its low viscosity helps products spread across the skin, lips or hair. This can support uniform application in foundations, concealers, lip cosmetics and selected styling products.
Isododecane evaporates after application, with the evaporation rate depending on the grade, temperature, airflow and formulation. This property can be useful when a product is designed to set or leave behind less of its original liquid carrier.
In suitable decorative cosmetics, Isododecane can help distribute pigments, film-forming materials and other ingredients. The final coverage, adhesion and wear characteristics depend on the other formulation components; Isododecane alone does not guarantee waterproofness or long wear.
Isododecane may reduce the initial heaviness of some formulations and help improve glide. Formulators should assess the overall texture and finished-product performance, especially where the ingredient evaporates and changes the composition of the applied film.
Isododecane is a low-viscosity hydrocarbon material whose properties are determined by its molecular structure and the composition of the commercial grade.
Key characteristics include:
Isododecane does not have a fatty-acid profile because it is not a triglyceride oil. Parameters such as fatty-acid composition and saponification value are not normally appropriate defining tests for this ingredient.
Isododecane can be used in selected complexion products to support smooth spreading and a lightweight application. Its compatibility with pigments, dispersants and film-forming ingredients should be evaluated during formulation development.
Suitable grades may be used as volatile carriers in certain eye makeup formulations. Product performance depends on the complete system, including pigments, waxes, polymers and other formulation ingredients.
Isododecane can help improve the spreading and application characteristics of selected lip products. Formulators should consider its volatility and evaluate the final feel, gloss and remaining film after application.
Its solvent properties may support the removal of selected cosmetic materials. The performance of a makeup remover depends on the complete solvent blend and the type of makeup being removed.
Isododecane may be incorporated into suitable skin-care products where a lightweight, fast-evaporating carrier is desirable. Formulators should assess skin feel, compatibility, evaporation behaviour and the requirements of the intended application.
Selected hair-care and styling formulations may use Isododecane as a volatile carrier to support distribution and application. Appropriate ventilation, handling and flammability controls are important during manufacturing and processing.
Isododecane can be used in some waterproof or long-wear makeup formulations as part of a solvent system containing suitable film-forming materials. These properties arise from the complete formulation and should not be attributed to Isododecane alone.
Grade selection: Choose a grade that meets the intended cosmetic application and relevant purity requirements. Industrial hydrocarbon material should not automatically be treated as cosmetic-grade material.
Volatility: Account for evaporation during manufacturing, filling and application. Use suitable process controls and containers to minimise unnecessary material loss.
Solvent compatibility: Confirm compatibility and solubility with the other ingredients. Test pigment dispersion, polymer compatibility and any changes in clarity or stability.
Finished-product performance: Assess spreadability, dry-down, film characteristics, coverage and residual feel in the final formulation.
Flammability and ventilation: Consult the current SDS for flash point, handling requirements and hazard classification. Use suitable ventilation and keep the material away from ignition sources where required by the SDS and workplace procedures.
Packaging: Use compatible, tightly closed containers suitable for volatile liquid ingredients. Verify packaging compatibility and storage requirements with the supplier.
Quality documentation: Obtain the current certificate of analysis, technical data sheet and safety data sheet. Confirm identity, purity and grade-specific limits.
Finished-product testing: Perform appropriate stability, packaging compatibility and product safety evaluations before commercial release.
Isododecane, Mineral Oil and Hydrogenated Polyisobutene are hydrocarbon-based ingredients, but their physical behaviour and formulation roles differ.
The appropriate choice depends on the desired evaporation profile, residual feel, solvent needs and formulation performance. These ingredients should not be treated as direct substitutes without compatibility and performance testing.
Isododecane is used in cosmetic formulations where a lightweight, volatile carrier or solvent is required. It is especially relevant to selected makeup and personal-care products that benefit from easy spreading and a reduced residual oily feel.
Swapnroop provides product information to support ingredient evaluation and bulk procurement discussions. Before confirming a purchase, buyers should verify the exact INCI identity, CAS and EC identifiers, purity requirements, safety documentation and intended-use suitability against the supplier's current technical documents.
1. What is Isododecane used for in cosmetics?
Isododecane is used mainly as a solvent and lightweight emollient in selected makeup, lip products, skin-care preparations, makeup removers and hair-care formulations.
2. What is the INCI name of Isododecane?
The INCI name is Isododecane.
3. Is Isododecane soluble in water?
No. Isododecane is practically insoluble in water and is generally used in compatible oil-based or solvent-based formulation systems.
4. Is Isododecane volatile?
Yes. Isododecane is a volatile hydrocarbon. Its evaporation behaviour depends on the grade, formulation and environmental conditions.
5. Does Isododecane make makeup waterproof?
Not by itself. It can be included in waterproof or long-wear makeup systems, but the final performance depends on the complete formulation and its film-forming ingredients.
6. What is the CAS number of Isododecane?
CAS 31807-55-3 is commonly referenced. Other CAS identifiers are also associated with related isomers or classifications, so the exact identifier should be verified against the supplier's documentation.
7. Which specifications should be checked before purchasing Isododecane?
Review identity, appearance, purity, density, relevant volatility-related properties and any grade-specific requirements. Confirm the applicable test methods and acceptance limits from the current COA and TDS.
8. How should Isododecane be stored?
Store it in a compatible, tightly closed container and follow the supplier's SDS and TDS. Because it may be flammable and volatile, follow the documented requirements for ventilation, ignition-source control and safe handling.
| Parameter | Specification |
|---|---|
| Appearance | Colourless to light-yellow liquid or oily liquid |