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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:
6846-50-0
Molecular Weight:
286.41
EC Number:
229-934-9
MDL number:
MFCD00059267
UNSPSC Code:
12352100
PubChem Substance ID:
24874477
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.)

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
GHS08

signalword

Warning

Hazard Classifications

Aquatic Chronic 3 - Repr. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

276.8 °F - Non-equilibrium method

flash_point_c

136 °C - Non-equilibrium method

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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
Cutting out phthalates.
Tullo AH.
Chemical and Engineering News, 83(46) (2006)
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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