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131946

Sigma-Aldrich

2,2,4,4-Tetramethyl-1,3-cyclobutanediol, mixture of isomers

99%

Synonym(s):

1,3-Dihydroxy-2,2,4,4-tetramethylcyclobutane, 2,2,4,4-Tetramethyl-1,3-cyclobutandiol, 2,2,4,4-Tetramethyl-1,3-cyclobutanediol, 2,4-Dihydroxy-1,1,3,3-tetramethylcyclobutane

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About This Item

Linear Formula:
(CH3)4C4H2(OH)2
CAS Number:
Molecular Weight:
144.21
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99%

bp

210-215 °C (lit.)

mp

126-129 °C (lit.)

SMILES string

CC1(C)C(O)C(C)(C)C1O

InChI

1S/C8H16O2/c1-7(2)5(9)8(3,4)6(7)10/h5-6,9-10H,1-4H3

InChI key

FQXGHZNSUOHCLO-UHFFFAOYSA-N

Application

2,2,4,4-Tetramethyl-1,3-cyclobutanediol was used in the preparation of Eastman Tritan copolyester.

Legal Information

Tritan is a trademark of Eastman Kodak Company

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

125.6 °F - closed cup

Flash Point(C)

52 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 34(2), 307-319 (2016-11-29)
Polyesters (PESs) are gaining more importance on the food contact material (FCM) market and the variety of properties and applications is expected to be wide. In order to acquire the desired properties manufacturers can combine several FCM-approved polyvalent carboxylic acids
Thomas G Osimitz et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(6), 2196-2205 (2012-02-22)
Eastman Tritan™ copolyester, a novel plastic from Eastman is manufactured utilizing three monomers, di-methylterephthalate (DMT), 1,4-cyclohexanedimethanol (CHDM), and 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) in various ratios. As with most any polymer, the monomers along with the high molecular weight oligomers, whose toxicity is

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