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525170

Sigma-Aldrich

2,2,4-Trimethyl-1,3-pentanediol diisobutyrate

≥98.5%

Synonym(s):

1-Isopropyl-2,2-dimethyltrimethylene diisobutyrate

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About This Item

Linear Formula:
(CH3)2CHCH[O2CCH(CH3)2]C(CH3)2CH2O2CCH(CH3)2
CAS Number:
Molecular Weight:
286.41
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

≥98.5%

autoignition temp.

795 °F

expl. lim.

0.48 %, 172 °F
3.1 %, 230 °F

refractive index

n20/D 1.434 (lit.)

bp

280 °C (lit.)

mp

−70 °C (lit.)

density

0.941 g/mL at 25 °C (lit.)

functional group

ester

SMILES string

CC(C)C(OC(=O)C(C)C)C(C)(C)COC(=O)C(C)C

InChI

1S/C16H30O4/c1-10(2)13(20-15(18)12(5)6)16(7,8)9-19-14(17)11(3)4/h10-13H,9H2,1-8H3

InChI key

OMVSWZDEEGIJJI-UHFFFAOYSA-N

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General description

TXIB is also referred to as Eastman plasticizer. 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate (TXIB) is widely used in food packaging. Its toxicity has been assessed.

Application

2,2,4-Trimethyl-1,3-pentanediol diisobutyrate may be used as a plasticizer in the fabrication of highly plasticized polyvinyl chloride, crosslinked by gamma irradiation.
Plasticizer.

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 3 - Repr. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

276.8 °F - Non-equilibrium method

Flash Point(C)

136 °C - Non-equilibrium method

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Cutting out phthalates.
Tullo AH.
Chemical and Engineering News, 83(46) (2006)
W S Cain et al.
Indoor air, 15(6), 445-457 (2005-11-05)
An experiment explored ability of subjects to detect vapors of the plasticizer TXIB (2,2,4-trimethyl-1,3-pentanediol diisobutyrate) and ethanol via olfaction and via ocular and nasal chemesthesis, i.e. chemically stimulated feel. Testing, tailored to the sensitivity of each subject, produced psychometric functions
Ulrike Bönisch et al.
PloS one, 7(7), e39817-e39817 (2012-07-18)
Epidemiological studies suggest an association between exposure to volatile organic compounds (VOCs) and adverse allergic and respiratory symptoms. However, whether VOCs exhibit a causal role as adjuvants in asthma development remains unclear. To investigate the effect of VOC exposure on
The toxicology and fate of 2,2,4-trimethyl-1,3-pentanediol diisobutyrate.
B D Astill et al.
Toxicology and applied pharmacology, 22(3), 387-399 (1972-07-01)
Radiation crosslinking of highly plasticized PVC.
Mendizabal E, et al.
Radiation Physics and Chemistry, 47(6), 305-309 (1996)

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