Propynol ethoxylate CAS 3973-18-0

Product name: Propynol Ethoxylate
English alias: Ethoxylated 2-propyn-1-ol; Prop-2-yn-1-ol ethoxylate
CAS: 3973-18-0
Molecular formula: C7H12O3

Appearance: Colorless to pale yellow transparent liquid
Package: 25kg/drum, 200kg/drum

What is Propynol Ethoxylate?

Propynol Ethoxylate is a nonionic surfactant and specialty additive made by ethoxylating propargyl alcohol. It is widely used in coatings, inks, and cleaning formulations for its excellent surface tension reduction, wetting, dispersing, and leveling capabilities. It helps improve flow, anti-cratering, and gloss performance, especially in water-based and solvent-based systems.

The product is compatible with most resins and surfactants, making it a versatile additive in various industrial formulations. It appears as a clear, low-viscosity liquid and is known for its high stability.

COA:

Item	Specification	Result
Appearance	Colorless to light yellow transparent liquid	Colorless transparent liquid
Purity (%)	≥ 98.0	98.86
Moisture (%)	≤ 0.5	0.22
Hydroxyl value (mgKOH/g)	180–220	198.5
pH (5% aqueous solution)	5.0 – 7.0	6.3
Conclusion: PASS

Application:

Propynol Ethoxylate used as a wetting and leveling agent in water-based and solvent-based paints and coatings
Propynol Ethoxylate applied in pigment dispersions to improve wetting and dispersion of particles
Propynol Ethoxylate used as a performance additive in printing inks, reducing surface defects and improving flow
Propynol Ethoxylate utilized in textile auxiliaries for better fabric wetting and finish uniformity
Propynol Ethoxylate used in cleaning agents and industrial detergents to reduce surface tension and improve wettability
Propynol Ethoxylate can be used in adhesives and sealants to enhance substrate wetting and coating smoothness
Compatible with most anionic, cationic, and nonionic systems

Organic synthesis:

Propynol Ethoxylate acts as a reagent in chemical reactions.

PROTAC linkers:

Propynol Ethoxylate is used in the synthesis of PROTACs (Proteolysis-Targeting Chimeras), which are molecules used in drug discovery and research.

Analytical chemistry:

Propynol Ethoxylatecan be used as a solvent.

Industrial applications:

Propynol Ethoxylate has roles as a fuel and an ingredient in various industrial products.

Safety profile:

Propynol Ethoxylate is generally safe for industrial use when handled correctly. Avoid direct contact with skin or eyes, and use in well-ventilated areas. Prolonged exposure may cause mild irritation. Refer to the product’s SDS for detailed safety guidelines before use.

Storage requirements:

Store in a dry, cool, and well-ventilated area
Protect from heat, moisture, and direct sunlight
Keep the container tightly closed when not in use
Recommended storage temperature: 5–35°C

Transport & Packaging:

Propynol Ethoxylate is supplied in 25 kg plastic drums or 200 kg HDPE/steel drums
IBC tanks and customized packaging available upon request
Ensure product is sealed properly and protected from physical damage during transport