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413283

Sigma-Aldrich

1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene

99%

Synonym(s):

2,4,6-Tris(3,5-di-tert -butyl-4-hydroxybenzyl)mesitylene, 3,3′,3′′,5,5′,5′′-Hexa-tert -butyl-α,α′,α′′-(mesitylene-2,4,6-triyl)tri-p -cresol, 4,4′,4′′-[(2,4,6-Trimethyl-1,3,5-benzenetriyl)tris(methylene)]tris[2,6-bis(1,1-dimethylethyl)phenol

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$76.40

About This Item

Linear Formula:
(CH3)3C6[CH2C6H2[C(CH3)3]2OH]3
CAS Number:
Molecular Weight:
775.20
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

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assay

99%

form

powder

mp

248-250 °C (lit.)

SMILES string

Cc1c(Cc2cc(c(O)c(c2)C(C)(C)C)C(C)(C)C)c(C)c(Cc3cc(c(O)c(c3)C(C)(C)C)C(C)(C)C)c(C)c1Cc4cc(c(O)c(c4)C(C)(C)C)C(C)(C)C

InChI

1S/C54H78O3/c1-31-37(22-34-25-40(49(4,5)6)46(55)41(26-34)50(7,8)9)32(2)39(24-36-29-44(53(16,17)18)48(57)45(30-36)54(19,20)21)33(3)38(31)23-35-27-42(51(10,11)12)47(56)43(28-35)52(13,14)15/h25-30,55-57H,22-24H2,1-21H3

InChI key

VSAWBBYYMBQKIK-UHFFFAOYSA-N

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1 of 4

This Item
413275CRM96737686859
assay

99%

assay

96%

assay

-

assay

≥98%

mp

248-250 °C (lit.)

mp

90-95 °C

mp

218-220 °C (lit.)

mp

322-327 °C

form

powder

form

solid

form

solid

form

solid

Quality Level

100

Quality Level

200

Quality Level

300

Quality Level

100

General description

1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene(HEMA) is an antioxidant that can be used to prevent the oxidative degradation of plastics.[1][2]

Application

HEMA can be used as an antioxidant in the polycondensation of poly(isosorbide maleate-co-succinate) and poly(isosorbide maleate) to prepare biobased based unsaturated polyester.[3] It may also be used in the preparation of water soluble polyesters which can potentially be used as in drug delivery and industrial coatings.[4]

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

609.8 °F

flash_point_c

321 °C

ppe

dust mask type N95 (US), Eyeshields, Gloves


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