9251. Texanol Isobutyrate

Nomenclature

CAS number: 6846-50-0
2-Methylpropanoic acid 2,2-dimethyl-1-(1-methylethyl)-1,3-propanediyl ester; 2,2,4-trimethyl-1,3-pentanediol diisobutyrate; TXIB (Eastman Chemical).
C16H30O4; mol wt 286.41.
C 67.10%, H 10.56%, O 22.34%.

Description and references

Plasticizer for PVC and other resins. Prepn: U. Schwenk, A. Becker, Ann. 756, 162 (1972). GC determn in PVC plastisol formulations: W. P. Hayes et al., J. Chromatogr. 139, 395 (1977). Toxicology: B. D. Astill et al., Toxicol. Appl. Pharmacol. 22, 387 (1972). Technical data sheet: "Eastman TXIB Plasticizer" (Eastman Chemical Co., publication L-151K, April 1998) 18 pp.

Chemical structure

Properties

Colorless liquid, slightly fruity odor. bp760 281.5°. fp -70°. Flash pt, closed cup: 262°F (128°C). d2020 0.942-0.948. nD25 1.4300. Soly in water (20°): 0.42 g/l. Viscosity (25°): 9 cP.

Use

In mfr of vinyl flooring, toys and other vinyl products.