PROPYLENE GLYCOL N-BUTYL ETHER

Propylene glycol n-butyl ether is a versatile glycol ether solvent widely used in coatings, cleaning formulations, inks, and industrial chemical processes.
Propylene glycol n-butyl ether provides balanced hydrophilic and lipophilic properties, offering excellent solvency for resins, oils, waxes, and greases.
Propylene glycol n-butyl ether evaporates at a moderate rate, making it useful in applications requiring controlled drying and film formation.
Propylene glycol n-butyl ether is commonly used in water-based systems due to its strong coupling ability and high formulation compatibility.

CAS Number: 5131-66-8
EC Number: 225-878-4
Molecular Formula: C8H18O2
Molecular Weight: 146.23 g/mol

Synonyms: PnB glycol ether, PGNB, PGBE, Propylene glycol monobutyl ether, 1-Butoxy-2-propanol, Glycol ether PnB, Butyl proxitol, Propylene butyl ether, PnB solvent, Butoxypropanol, Propylene glycol n-butyl ether, PGNB, PnB glycol ether, 1-Butoxy-2-propanol, Propylene glycol butyl ether, Propylene glycol mono-n-butyl ether, Propylene glycol monobutyl ether, 2-Propanol, 1-butoxy-, n-Butoxypropyl alcohol, 1-Butoxypropane-2-ol, Butoxypropanol, Butoxypropyl alcohol, Propylene glycol butyl ether solvent, PnB solvent, PnB surfactant solvent, PnB coupling solvent, PnB coalescent, PnB glycol ether solvent, Butoxypropanol solvent, Propylene glycol butyl ether chemical, Propylene glycol butyl ether compound, Propylene glycol butyl ether material, Propylene glycol butyl ether product, Propylene glycol butyl ether substance, Propylene glycol butyl ether technical grade, Propylene glycol butyl ether industrial grade, Propylene glycol butyl ether laboratory grade, Propylene glycol butyl ether high purity, Propylene glycol butyl ether certified grade, Propylene glycol butyl ether reagent grade, Propylene glycol butyl ether low odor solvent, Propylene glycol butyl ether high flash point solvent, Propylene glycol butyl ether slow-evaporating solvent, Propylene glycol butyl ether water-miscible solvent, Propylene glycol butyl ether organic solvent, Propylene glycol butyl ether co-solvent, Propylene glycol butyl ether cleaning solvent, Propylene glycol butyl ether degreasing solvent, Propylene glycol butyl ether industrial solvent, Propylene glycol butyl ether coating solvent, Propylene glycol butyl ether paint solvent, Propylene glycol butyl ether ink solvent, Propylene glycol butyl ether resin solvent, Propylene glycol butyl ether adhesive solvent, Propylene glycol butyl ether surfactant carrier, Propylene glycol butyl ether dispersant, Propylene glycol butyl ether penetrant, Propylene glycol butyl ether leveling aid, Propylene glycol butyl ether coupling agent, Propylene glycol butyl ether wetting agent, Propylene glycol butyl ether plasticizer solvent, Propylene glycol butyl ether coalescing agent, Propylene glycol butyl ether evaporation control agent, Propylene glycol butyl ether cleaning additive, Propylene glycol butyl ether metal cleaning solvent, Propylene glycol butyl ether oil-solubilizing agent, Propylene glycol butyl ether textile solvent, Propylene glycol butyl ether leather solvent, Propylene glycol butyl ether pesticide solvent, Propylene glycol butyl ether waterborne coatings additive, Propylene glycol butyl ether industrial chemical, Propylene glycol butyl ether fine chemical, Propylene glycol butyl ether specialty chemical, Propylene glycol butyl ether functional additive, Propylene glycol butyl ether processing aid, Propylene glycol butyl ether raw material

APPLICATIONS

Propylene glycol n-butyl ether is used in water-borne coatings as a coalescing agent.
Propylene glycol n-butyl ether improves film formation in latex paints and industrial coatings.
Propylene glycol n-butyl ether enhances flow, leveling, and brushability in architectural paints.

Propylene glycol n-butyl ether is used in cleaning formulations such as degreasers and all-purpose cleaners.
Propylene glycol n-butyl ether dissolves oils, waxes, resins, and greasy soils efficiently.
Propylene glycol n-butyl ether improves cleaning performance in hard-surface cleaners.

Propylene glycol n-butyl ether is used in printing inks to control viscosity and drying rate.
Propylene glycol n-butyl ether improves pigment dispersion and print quality.
Propylene glycol n-butyl ether prevents premature drying in press systems.

Propylene glycol n-butyl ether is used in metal cleaning solutions.
Propylene glycol n-butyl ether aids in removing lubricants, cutting oils, and contaminants.
Propylene glycol n-butyl ether enhances wetting and penetration in surface treatment processes.

Propylene glycol n-butyl ether is used in agrochemical formulations.
Propylene glycol n-butyl ether improves solubility and stability in pesticide systems.
Propylene glycol n-butyl ether enhances spray dispersion and wetting.

Propylene glycol n-butyl ether is used in chemical manufacturing as an intermediate solvent.
Propylene glycol n-butyl ether assists in resin synthesis and polymer modification.
Propylene glycol n-butyl ether improves miscibility and reaction control in formulation processes.

Propylene glycol n-butyl ether is used in household cleaners and degreasers.
Propylene glycol n-butyl ether improves streak-free cleaning on glass and hard surfaces.
Propylene glycol n-butyl ether enhances fragrance and surfactant performance in cleaners.

Propylene glycol n-butyl ether is used in textile and leather processing.
Propylene glycol n-butyl ether improves dye penetration and removal of processing oils.
Propylene glycol n-butyl ether enhances uniformity in finishing treatments.

DESCRIPTION

Propylene glycol n-butyl ether is a clear, colorless liquid with a mild ether-like odor.
Propylene glycol n-butyl ether exhibits moderate evaporation and high solvency power.
Propylene glycol n-butyl ether is miscible with water and most organic solvents.

Propylene glycol n-butyl ether has strong coupling properties for water-borne systems.
Propylene glycol n-butyl ether is stable under normal storage and handling conditions.
Propylene glycol n-butyl ether is compatible with surfactants, resins, and emulsifiers.

Propylene glycol n-butyl ether provides excellent grease-solubilizing capability.
Propylene glycol n-butyl ether is resistant to hydrolysis in aqueous systems.
Propylene glycol n-butyl ether is widely used due to its balance of solvency and low odor.

Propylene glycol n-butyl ether performs effectively in alkaline cleaning systems.
Propylene glycol n-butyl ether supports high-performance industrial and household formulations.

PROPERTIES

Appearance: Clear, colorless liquid
Odor: Mild ether-like odor
Solubility: Miscible with water and organics
Boiling Point: ~171°C
Flash Point: ~60°C (closed cup)
Density: ~0.88 g/cm³
Evaporation Rate: Moderate
pH: Neutral
Reactivity: Avoid strong oxidizers and acids
Storage Temperature: 5–30°C, keep closed

FIRST AID

Inhalation:
Move to fresh air and keep at rest.
Seek medical attention if symptoms develop.

Skin Contact:
Wash thoroughly with soap and water.
Seek medical advice if irritation occurs.

Eye Contact:
Rinse cautiously with water for 15 minutes.
Seek medical attention if irritation persists.

Ingestion:
Rinse mouth and drink water.
Seek medical attention if discomfort occurs.

Note to Physicians:
Treat symptomatically with supportive care.

HANDLING AND STORAGE

Handling:
Wear appropriate gloves and eye protection.
Avoid breathing vapors or mist.

Ventilation:
Use good ventilation during handling and mixing.

Avoidance:
Keep away from open flames and oxidizers.

Spill and Leak Procedures:
Absorb with inert material and collect for disposal.
Rinse area with water after cleanup.

Storage:
Store tightly closed in a cool, ventilated area.
Protect from heat, sparks, and ignition sources.

Handling Cautions:
Use explosion-proof ventilation in industrial settings.
Avoid prolonged contact with skin and eyes.