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PEG 1000 MONOBUTYL ETHER (LUTENSOL VPUM)

PEG 1000 Monobutyl Ether (Lutensol VPUM)

Polyethylene glycol monobutyl ether

Butoxypolyethyleneglycol


Butoxy Polyethylene Glycol

BPEG 1000

B-PEG 1000


Technical Datasheet 

PEG 1000 Monobutyl Ether is a higher molecular weight variant of the PEG monobutyl ether series. 

PEG 1000 Monobutyl Ether contains approximately 20-23 ethylene oxide (EO) units, giving it distinct physical and chemical properties compared to its lower molecular weight counterparts.



Key Properties of PEG 1000 Monobutyl Ether

Appearance: PEG 1000 Monobutyl Ether is typically a waxy solid or semi-solid at room temperature.

Melting Point of PEG 1000 Monobutyl Ether: 35-40°C, indicating a transition from solid to liquid phase within this temperature range.

Solubility of PEG 1000 Monobutyl Ether: Soluble in water due to multiple ethylene glycol units.

PEG 1000 Monobutyl Ether is also soluble in many organic solvents, making it versatile for various formulations.


Emulsifying and Solubilizing Ability: PEG 1000 Monobutyl Ether is effective as a non-ionic surfactant, aiding in emulsifying oil and water-based formulations.

Low Volatility: PEG 1000 Monobutyl Ether is stable and does not quickly evaporate, even at higher temperatures.



Applications of PEG 1000 Monobutyl Ether

Cosmetics and Personal Care:
PEG 1000 Monobutyl Ether is a thickening agent, emulsifier, and solubilizer in creams, lotions, and other personal care products.

Pharmaceuticals:
PEG 1000 Monobutyl Ether is used as a solubilizer and excipient in certain drug formulations, where its higher melting point can be beneficial.

Industrial Uses:
PEG 1000 Monobutyl Ether is a surfactant in various industrial applications, including paint additives, coatings, and lubricant formulations.

Textiles:
PEG 1000 Monobutyl Ether enhances dye penetration and wetting in textile processing.




Chemical name: Poly(oxy-1,2-ethanediyl), .alpha.-butyl-.omega.-hydroxy-

CAS Number: 9004-77-7


EC / List no.: 500-012-0

CAS no.: 9004-77-7


Poly(oxy-1,2-ethanediyl), α-butyl-ω-hydroxy-

Polyethylene glycol monobutyl ether. 

Polyethylene glycol monobutyl ether acts as a solvent. 

Polyethylene glycol monobutyl ether is a colorless and transparent liquid. 

Polyethylene glycol monobutyl ether can dissolve other substances in itself. 

Polyethylene glycol monobutyl ether is used for nitrocellulose and synthetic resins. 

Polyethylene glycol monobutyl ether applications include paints, enamels, and paint stripping.





IUPAC names
(OLIGOMER) Poly(oxy-1,2-ethanediyl),alpha-butyl-omega-hydroxy (consisting of 50 wt % or more of species of the same m. wt.)

2-butoxyethanol

Butanol, ethoxylated

Butanol, ethoxylated~

ethanol, 2-butoxy-, manufacture of, by-products from

Monohydroxy polyalkylated alcohol

Poly(ethylene glycol) butyl ether

Poly(oxy-1,2-ethanediyl), .alpha.-butyl-.omega.-hydroxv-

Poly(oxy-1,2-ethanediyl), a-butyl-w-hydroxy-

Poly(oxy-1,2-ethanediyl), alpha-butyl-omega-hydroxy-

Poly(oxy-1,2-ethanediyl), α-butyl-.omega.-hydroxy-

Poly(oxy-1,2-ethanediyl), α-butyl-ω-hydroxy-

Poly(oxy-1,2-ethanediyl),a-butyl-w-hydroxy-

Polyethylene glycol butyl ether

Polyethylene glycol monobutyl ether

polyethylene glycol monobutyl ether

Polyethylenglykolmonobutylether

UVCB substance. IUPAC name not applicable




Trade names
BTG HS

Butoxypolyglycol

Butyltriglykolether BF

Glycol Ether HB



Physical and Chemical Properties
Information on basic physical and chemical properties


Form: pasty

Colour: colourless to yellowish

Odour: faint specific odour

Odour threshold: No data available.

pH value: 7 (50 g/l, 40 °C)

melting range: 35 - 40 °C

Boiling point: not applicable

Flash point: > 100 °C (DIN 51758)

Evaporation rate: No data available.

Flammability: not self-igniting

Lower explosion limit: For solids not relevant for classification and labelling.

Upper explosion limit: For solids not relevant for classification and labeling.

Ignition temperature: > 200 °C (DIN 51794)

Vapour pressure: < 0,1 hPa (20 °C)

Density: approx. 1,0 g/cm3 (40 °C)

Relative density: No data available.

Relative vapour density (air): not determined

Solubility in water: completely soluble

Solubility (qualitative) solvent(s): alcohols soluble

Solubility (quantitative) solvent(s): polar solvents soluble

Partitioning coefficient n-octanol/water (log Kow): not determined

Self-ignition: not self-igniting

Thermal decomposition: > 300 °C

Viscosity, dynamic: < 1.000 mPa.s (30 °C)

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