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Methoxy PEG-10 is a nonionic, water-soluble polyether typically described as polyethylene glycol monomethyl ether with an average of about 10 ethylene oxide units.
Methoxy PEG-10 is used primarily as a solubilizer, humectant, and formulation aid that improves clarity, compatibility, and sensory feel in aqueous and water-alcohol systems.
Methoxy PEG-10 is valued for its mildness, broad ingredient compatibility, and ability to help disperse oils, fragrances, and actives into stable mixtures.
CAS Number: 24991-53-5 (commonly used for Poly(ethylene glycol) methyl ether; may vary by grade/average chain length)
EC Number: 500-038-4 (polyether polymer family listing; may vary by supplier/grade)
Molecular Formula: C21H44O11 (average, n≈10)
Molecular Weight: ~472.6 g/mol (average, n≈10)
Synonyms: Methoxy PEG-10, PEG-10 Methyl Ether, PEG-10 Monomethyl Ether, Poly(ethylene glycol) monomethyl ether, mPEG-10, MPEG-10, Methoxypolyethylene Glycol 10, Methoxy Poly(ethylene glycol) 10, PEG Monomethyl Ether (average n≈10), PEG-10 MME, Methoxy PEG-10 Solubilizer, Methoxy PEG-10 Humectant, Methoxy PEG-10, Methoxy Polyethylene Glycol-10, Methoxy Poly(ethylene glycol)-10, MPEG-10, MPEG-10 Ether, Methoxy PEG-10 Ether, Methoxypolyethylene Glycol-10, Polyethylene Glycol Methyl Ether-10, PEG-10 Methyl Ether, Methyl Ether of PEG-10, Methoxy MPEG-10, Methoxy Polyoxyethylene-10, Polyoxyethylene Methoxy Ether-10, Polyoxyethylene Methyl Ether-10, Methylated PEG-10, PEG-10 Methoxy Ether, PEG-10 Monomethyl Ether, PEG-10 Methyl-Capped, PEG-10 Methyl-Terminated, Methyl-Terminated PEG-10, Methyl-Capped PEG-10, MPEG-10 Liquid, MPEG-10 Water-Soluble, MPEG-10 Nonionic, MPEG-10 Surfactant, MPEG-10 Nonionic Surfactant, MPEG-10 Dispersant, MPEG-10 Wetting Agent, MPEG-10 Solubilizer, MPEG-10 Emollient, MPEG-10 Humectant, MPEG-10 Film Former (context), MPEG-10 Conditioning Agent, MPEG-10 Polymer Additive, MPEG-10 Cosmetic Grade, MPEG-10 Personal Care Grade, MPEG-10 Pharmaceutical Grade, MPEG-10 Industrial Grade, MPEG-10 Technical Grade, Polyether Methyl Ether-10, Polyether Methoxy-10, Hydroxy-Terminated MPEG-10 (context), Methoxy Polyether-10, Methyl-Polyether-10, Ethoxylated Methyl Ether-10, Ethoxylated Methoxy-10, Ethoxylated Polyalkylene Glycol-10, Polyalkylene Glycol Methyl Ether-10, PAG Methyl Ether-10, PAG Methoxy-10, PAG MPEG-10, Polyalkylene Oxide Methyl Ether-10, Polyalkylene Oxide Methoxy-10
APPLICATIONS
Methoxy PEG-10 is used in facial cleansers to improve mildness and reduce tight-feel after rinsing.
Methoxy PEG-10 is used in micellar waters to help solubilize fragrance oils and light emollients.
Methoxy PEG-10 is incorporated into shampoos to improve clarity and fragrance dispersion.
Methoxy PEG-10 is added to shower gels to enhance foam feel and improve rinse properties.
Methoxy PEG-10 is used in liquid hand soaps to stabilize viscosity in the presence of salts and surfactants.
Methoxy PEG-10 is included in body washes to support solubilization of essential oils and extracts.
Methoxy PEG-10 is used in facial toners to help dissolve oil-soluble actives in water-based systems.
Methoxy PEG-10 is applied in aftershaves to improve skin feel and reduce alcohol harshness.
Methoxy PEG-10 is included in hydrating mists to enhance humectancy and spray uniformity.
Methoxy PEG-10 is used in moisturizing creams to improve spreadability and reduce tack.
Methoxy PEG-10 is incorporated into lotions to support water-binding and smoother rub-in.
Methoxy PEG-10 is used in gel creams to improve clarity and reduce phase separation risks.
Methoxy PEG-10 is added to serums to improve solubility of select actives and co-solvents.
Methoxy PEG-10 is used in anti-aging formulations to help deliver oil-soluble vitamins in a water-rich base.
Methoxy PEG-10 is included in brightening products to enhance compatibility between solvents and fragrance.
Methoxy PEG-10 is used in sunscreens to help solubilize UV filters that require co-solvent support.
Methoxy PEG-10 is applied in SPF sprays to improve clarity and prevent fragrance cloudiness.
Methoxy PEG-10 is incorporated into after-sun gels to improve slip and reduce stickiness.
Methoxy PEG-10 is used in makeup primers to create a smoother, more even-feel film on skin.
Methoxy PEG-10 is included in liquid foundations to improve pigment wetting and flow.
Methoxy PEG-10 is applied in concealers to support uniform texture and reduce drag.
Methoxy PEG-10 is used in makeup setting sprays to help disperse film formers and fragrance.
Methoxy PEG-10 is incorporated into BB and CC creams to improve sensory profile and stability.
Methoxy PEG-10 is added to tinted moisturizers to improve blendability and reduce patchiness.
Methoxy PEG-10 is used in lip products to improve glide and reduce waxy drag in hybrid systems.
Methoxy PEG-10 is applied in lip stains to improve uniformity and reduce tack in water-based phases.
Methoxy PEG-10 is included in lip balms to support moisture retention and smoother application.
Methoxy PEG-10 is used in eye makeup removers to enhance solubilization of oily residues.
Methoxy PEG-10 is incorporated into cleansing oils-in-water to improve rinse-off and clarity.
Methoxy PEG-10 is added to wipe solutions to improve cleaning performance while maintaining mildness.
Methoxy PEG-10 is used in hair conditioners to improve slip and aid distribution of fragrance oils.
Methoxy PEG-10 is incorporated into leave-in sprays to support clarity and reduce residue.
Methoxy PEG-10 is used in hair styling gels to improve film feel and reduce flaking tendencies.
Methoxy PEG-10 is included in scalp serums to improve humectancy and product spread.
Methoxy PEG-10 is used in anti-frizz products to enhance smoothness without heavy oil loading.
Methoxy PEG-10 is applied in heat-protection sprays to improve uniform deposition of actives.
Methoxy PEG-10 is used in deodorant sprays to improve solubilization of fragrance and emollients.
Methoxy PEG-10 is incorporated into roll-on deodorants to improve glide and reduce tack.
Methoxy PEG-10 is added to antiperspirant liquids to support stability in water-alcohol blends.
Methoxy PEG-10 is used in intimate care washes to support gentle cleansing and improved sensory feel.
Methoxy PEG-10 is included in baby-care cleansers to help maintain clarity and mildness.
Methoxy PEG-10 is used in sensitive-skin products to improve formulation flexibility at low irritation risk.
Methoxy PEG-10 is applied in pharmaceutical topical gels as a solvent and humectant support ingredient.
Methoxy PEG-10 is included in dermatological lotions to improve spread and reduce greasy feel.
Methoxy PEG-10 is used in ointment-like emulsions to help stabilize mixed solvent systems.
Methoxy PEG-10 is incorporated into oral-care products to help solubilize flavors in water-based systems.
Methoxy PEG-10 is used in mouth sprays to improve flavor dispersion and reduce cloudiness.
Methoxy PEG-10 is added to toothpaste liquids and gels to improve texture and processing consistency.
Methoxy PEG-10 is used in fragrance concentrates as a coupling agent to help blend oils with alcohol and water.
Methoxy PEG-10 is applied in room sprays to improve clarity and prevent fragrance separation.
Methoxy PEG-10 is included in fabric refreshers to aid solubilization of perfume oils.
Methoxy PEG-10 is used in household cleaners to help solubilize greasy soils in water-based products.
Methoxy PEG-10 is incorporated into glass cleaners to improve wetting and reduce streaking.
Methoxy PEG-10 is added to multi-surface cleaners to enhance solvency while maintaining mildness.
Methoxy PEG-10 is used as a processing aid to improve wetting of powders and pigments in aqueous phases.
Methoxy PEG-10 is incorporated into dispersions to help reduce agglomeration during mixing.
Methoxy PEG-10 is used in specialty formulations to improve compatibility between hydrophilic and lipophilic components.
Methoxy PEG-10 is used in clear cosmetic systems where haze control and fragrance solubilization are critical.
Methoxy PEG-10 is valued in minimalist formulas for providing multiple functions with a single ingredient.
Methoxy PEG-10 is selected in “water gel” textures to enhance slip, clarity, and rinse feel.
DESCRIPTION
Methoxy PEG-10 is typically a clear to slightly hazy viscous liquid or soft waxy material depending on grade and temperature.
Methoxy PEG-10 is a nonionic polyether that combines a hydrophilic PEG chain with a methyl-ether end group.
Methoxy PEG-10 is commonly supplied as an average-chain-length material rather than a single, discrete molecule.
Methoxy PEG-10 provides humectancy by binding water and supporting hydration in leave-on and rinse-off products.
Methoxy PEG-10 improves solubilization of fragrance oils, essential oils, and certain oil-soluble actives in water-rich systems.
Methoxy PEG-10 can act as a coupling agent, reducing separation in water-alcohol-oil mixtures.
Methoxy PEG-10 generally shows broad compatibility with many surfactants, polymers, and common cosmetic solvents.
Methoxy PEG-10 helps improve product clarity and can reduce cloudiness caused by perfume or oily additives.
Methoxy PEG-10 contributes to smoother sensory feel and can reduce tack when properly balanced with other humectants.
Methoxy PEG-10 is typically low-odor and designed for use in personal care, household, and industrial formulations.
Methoxy PEG-10 performance depends on its average ethoxylation level, purity, and the overall solvent system.
PROPERTIES
Chemical Formula: C21H44O11 (average, n≈10)
Molecular Weight: ~472.6 g/mol (average, n≈10)
Common Name: Methoxy PEG-10 (PEG-10 Methyl Ether)
Chemical Nature: Poly(ethylene glycol) monomethyl ether (nonionic polyether)
Appearance: Clear to slightly hazy viscous liquid or soft wax (grade dependent)
Odor: Mild to nearly odorless
Solubility: Miscible with water; soluble in many glycols and alcohols; limited solubility in nonpolar oils
pH (1% aqueous): ~5.0–7.5 (typical; grade dependent)
Melting Point: ~25–35°C (typical; grade dependent)
Viscosity: Moderate; varies by average chain length and temperature
HLB (approx.): ~12–16 (typical range; grade dependent)
Flash Point: >200°C (typical; not easily flammable)
Stability: Stable under normal conditions; avoid strong oxidizers
Storage Temperature: 15–30°C, tightly closed, protected from moisture
Shelf Life: 12–24 months in original sealed packaging (typical supplier range)
FIRST AID
Inhalation:
Move to fresh air if vapors or mists are inhaled.
Seek medical attention if coughing or respiratory irritation persists.
Avoid breathing mists during spraying or heated processing.
Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing and seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting unless directed by medical personnel.
Seek medical attention if large amounts are swallowed or discomfort occurs.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care based on exposure route and symptoms.
HANDLING AND STORAGE
Handling:
Use appropriate PPE, including gloves and safety glasses.
Avoid generating aerosols or mists, especially during spraying.
Wash hands after handling and before eating, drinking, or smoking.
Ventilation:
Use local exhaust or general ventilation in areas where mists may form.
Ensure adequate ventilation if the product is heated during processing.
Avoid prolonged exposure to vapors from hot mixtures.
Storage:
Store in a cool, dry place in tightly closed containers.
Protect from moisture pickup, as polyethers can be hygroscopic.
Keep away from strong oxidizers and sources of contamination.
Spill and Leak Procedures:
Contain the spill and absorb with inert material such as sand or universal absorbent.
Clean residue with water and detergent while preventing slips on slick surfaces.
Dispose of waste according to local regulations and facility procedures.
Handling Precautions:
Use clean, dedicated equipment to prevent cross-contamination in personal care or pharmaceutical applications.
Maintain good housekeeping because spilled material can create a slip hazard.
Rotate stock using FIFO practices to maintain consistent performance.
