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

99%

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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
Linear Formula:
(CH3)4C4H2(OH)2
CAS Number:
Molecular Weight:
144.21
EC Number:
MDL number:
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

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This Item
T21008187828369500
Tetramethyl-1,3-cyclobutanedione 99%

T21008

Tetramethyl-1,3-cyclobutanedione

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

bp

210-215 °C (lit.)

bp

95-159 °C/750 mmHg (lit.)

bp

-

bp

93-100 °C (lit.)

mp

126-129 °C (lit.)

mp

114-116 °C (lit.)

mp

43-46 °C (lit.)

mp

-

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

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 3

flash_point_f

125.6 °F - closed cup

flash_point_c

52 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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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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