Name: 2-Butoxyethanol (Butyl Cellosolve)
Brand: Coatingsink
SKU: 2-butoxyethanol-butyl-cellosolve
Availability: InStock

Question 1

What is the function of 2-butoxyethanol as a coalescent in latex paints?

Accepted Answer

2-Butoxyethanol temporarily plasticizes latex polymer particles during film formation, lowering the minimum film-forming temperature (MFT) and enabling a continuous, defect-free film. It then slowly evaporates post-application without remaining as a permanent plasticizer. Typical use level is 1–5% of the total formulation.

Question 2

Are there regulatory restrictions on 2-butoxyethanol in coatings?

Accepted Answer

2-Butoxyethanol (EGBE) is subject to OEL controls (ACGIH TLV-TWA 20 ppm, skin) due to hemolytic effects at high exposures. It is not classified as a CMR under current REACH/CLP regulations. Some VOC-restricted architectural coating regulations limit its use, so formulators should verify compliance with applicable Directive 2004/42/EC subcategory limits.

Purity	≥99.0%
Flash Point	61°C (closed cup)
Boiling Point	171°C
Water Content	≤0.2%
Density (20°C)	0.899–0.903 g/ml

2-Butoxyethanol (Butyl Cellosolve)

Specifications

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