OXBLUE® ATBC

Acetyl tributyl citrate


CAS number
77-90-7
EINECS number 201-067-0
Molecule structure

Features and applications
OXBLUE ATBC is a bio-based plasticizer. It is easily biodegradable in polymers of polyvinyl chlorides (PVC) and cellulose derivatives. Besides its use in gaskets, benefits of ATBC have been recognized in an increasing variety of applications, following the trend for more environmenta friendly materials, such as food cling wraps, children’s toys or medical devices. It is also used as solvent and fixative of inks in the flexographic industry and perfumery.

Physical and chemical properties
Formula C20H34O4
Molecular Weight 402.48 g / mol
Boiling Point (°C @ 976 hPa) 331
Melting Point (°C) -57°C (Pour Point)
Density (g/cm3, 20°C) 1.053
Water Solubility (mg/l, 20°C) 4.49
Vapor Density (Air=1, 20°C) 14.1
Viscosity (mm2/s, 20°C) 38.5
Specifications*
Property Limit Unit Test Method PQR
Appearance Clear Liquid   Visual Examination  
Ester Content min. 99.0 % (w / w) Gas Chromatography x
Acidity (as Citric Acid) max. 0.2 % (w / w) Titration x
Water max. 0.5 % (w / w) Karl Fischer x
Platinum / Cobalt Color (Hazen / APHA Color) max. 50   Comparison x
*Preliminary test results only. Data are subject to change without notice.