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Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is a quaternary ammonium compound derived from fatty acids and isopropyl alcohol, widely used in personal care formulations as a conditioning agent.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is known for its high substantivity to hair and skin, providing lasting softness, manageability, and antistatic benefits.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is favored in modern hair care and skin care products for its excellent emollient and detangling properties.
CAS Number: 939446-94-1
EC Number: Not assigned
Molecular Formula: Not fully defined (mixture of components based on isostearoyl and oleoyl chains)
Molecular Weight: Variable (mixture)
Synonyms: Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate, Quaternium-91, Hair Conditioning Quat, Dual Fatty Quat Conditioner, Cationic Emollient Complex, Oleoyl Isopropyl Quat, Isostearoyl Isopropyl Quat, Quaternium-91 Conditioning Agent, Bis-Alkyl Quat Complex, Methosulfate Quaternary Ammonium Conditioner, Bis‑(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate, Dioleoylisopropyl dimonium methosulfate, 1,2‑Di(isostearoyl/oleoyl)‑3‑(dimethylammonio)‑2‑propanol methosulfate, Bis‑(Iso‑Stearoyl/Oleoyl) Dimonium Methosulfate (INCI), Varisoft EQ 100 MB, Esterquat cationic surfactant, Cationic conditioning esterquat, Vegetable-derived cationic surfactant, Transparent hair-conditioning quaternary ammonium salt, Silicone‑free conditioning agent, Quaternary methosulfate ester, Cosmetic conditioner ingredient, Hair detangling esterquat, Ethylhexyl-ester quaternary salt, Conditioning phase surfactant
APPLICATIONS
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in shampoos and conditioners to provide long-lasting softness and smoothness to the hair.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is applied in leave-in treatments and hair masks to improve combability and reduce breakage.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in anti-frizz and curl-enhancing formulations for improved hair texture and control.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is found in conditioning sprays and styling creams for enhanced manageability.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is incorporated into sulfate-free hair care systems to provide a silky feel without build-up.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in 2-in-1 cleansing conditioners for mild, effective cleansing with conditioning benefits.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is included in hair color and treatment products to reduce dryness and improve hair elasticity.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in men’s grooming products to provide conditioning without greasiness.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is incorporated into beard conditioners and oils for softening and control.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in skin creams and lotions for its skin-smoothing and emollient effects.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is found in body butters and balms to enhance spreadability and sensory feel.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is applied in after-sun products and moisturizers to help restore the lipid barrier.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in baby care products to provide mild conditioning for delicate hair and skin.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is compatible with silicones and natural oils for enhanced formulation flexibility.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is incorporated into premium and salon-grade hair care products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is included in color-safe hair products to preserve vibrancy and shine.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in scalp care treatments for improved comfort and hydration.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is added to cleansing balms and oil-based facial cleansers for a non-stripping, smooth finish.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used as a conditioning agent in hair care products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate improves hair softness and manageability.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate reduces static electricity in hair formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enhances combability in both wet and dry hair.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is applied in leave-in conditioners.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in rinse-off hair conditioners.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate contributes to long-lasting conditioning effects.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides anti-frizz benefits in hair treatments.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate improves the texture of hair masks.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in ethnic hair care formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate helps restore damaged hair fibers.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate conditions chemically treated hair.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is suitable for sulfate-free formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate reduces hair breakage and split ends.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides detangling properties.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in 2-in-1 shampoo formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enhances deposition of actives on the hair shaft.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides conditioning in cold-process formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate improves sensorial properties of hair serums.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is applied in men’s grooming products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is included in solid hair conditioner bars.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is compatible with natural oils and butters.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in vegan and cruelty-free formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enhances the richness of emulsions.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is a preferred ingredient in premium conditioners.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides smoothness to hair styling creams.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate supports the formulation of low-viscosity conditioners.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate improves sensory feel during rinsing.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate contributes to curl definition in curly hair products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is suitable for baby hair care products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate helps maintain moisture in dry hair types.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enhances shine in hair polishes.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in co-wash formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate helps reduce scalp irritation in rinse-off products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enables easy spreadability of hair creams.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in heat-protection hair treatments.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate supports color retention in dyed hair products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate strengthens the hair cuticle.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate aids in formulating light conditioners.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is incorporated into hair gloss treatments.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate improves conditioning in hard water areas.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is found in keratin treatment kits.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate promotes healthy-looking hair.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides silky smooth feel to hair strands.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate supports formulation of lightweight sprays.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate reduces the greasy feel of rich conditioners.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enhances foaming in shampoo-conditioner hybrids.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is used in hair color post-treatment products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate improves formula stability in emulsions.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is selected for high-end salon hair care lines.
DESCRIPTION
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is a light yellow to amber liquid or paste, often used in combination with cetearyl alcohol.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is a quaternary ammonium compound with cationic surfactant properties.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is derived from fatty acids and isopropyl alcohol for superior conditioning performance.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate binds effectively to negatively charged hair and skin surfaces, reducing static and improving texture.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is biodegradable and considered safe for rinse-off and leave-on applications.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides excellent wet and dry combing improvements.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is typically used in concentrations of 1–5% in finished formulations.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate shows synergistic effects with cationic polymers and other conditioning agents.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate enhances the deposition of actives in hair and scalp treatments.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is a quaternary ammonium compound used primarily for hair conditioning.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate provides antistatic and softening properties.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is derived from naturally sourced fatty acids.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is non-irritating and suitable for sensitive skin.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is compatible with a wide range of surfactants.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate has excellent biodegradability.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate forms stable emulsions in hair care formulas.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate contributes to improved feel and performance in rinse-off products.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is typically supplied as a viscous, amber liquid.
Bis-(Isostearoyl/Oleoyl Isopropyl) Dimonium Methosulfate is widely used in both mass-market and premium personal care lines.
PROPERTIES
Appearance: Light yellow to amber liquid or semi-solid
Odor: Mild fatty odor
Solubility: Dispersible in water; soluble in oils and alcohols
pH (1% solution): ~5.0–7.0
Density: ~0.95–1.05 g/cm³
Charge Type: Cationic
Typical Use Level: 1–5%
Biodegradability: Readily biodegradable
Irritation: Low potential at recommended concentrations
Compatibility: Compatible with cationic and non-ionic surfactants
Storage Temperature: Store at 15–30°C
Packaging: HDPE drums or containers with protective lining
FIRST AID
Inhalation:
Remove to fresh air.
Seek medical attention if symptoms persist.
Skin Contact:
Wash thoroughly with water and mild soap.
Seek medical advice if irritation develops.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and continue rinsing.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth and drink water.
Do not induce vomiting.
Seek immediate medical attention.
Note to Physicians:
Treat symptomatically.
No specific antidote known.
HANDLING AND STORAGE
Handling:
Wear suitable protective clothing, gloves, and eye protection.
Avoid inhalation of vapors or mists.
Use in well-ventilated areas.
Storage:
Store in a cool, dry, well-ventilated area.
Keep containers tightly closed and away from incompatible substances.
Protect from freezing and excessive heat.
Spills and Disposal:
Contain spills using absorbent material.
Dispose of in accordance with local environmental regulations.
Avoid release into the environment.
