Agent Name

1,3,5-Tris(2-hydroxyethyl) isocyanurate

CAS Number

839-90-7

Formula

C9-H15-N3-O6

Major Category

Plastics & Rubber

Synonyms

1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2-hydroxyethyl)-; 1,3,5-Tris(2-hydroxyethyl) isocyanuric acid; 1,3,5-Tris(2-hydroxyethyl)isocyanuric acid; 1,3,5-Tris(2-hydroxyethyl)triazine-2,4,6-trione; Isocyanuric acid tris(2-hydroxyethyl) ester; N,N',N''-Tris(2-hydroxyethyl) isocyanurate; N,N',N''-Tris(2-hydroxyethyl)isocyanurate; THEIC; Tris(2-hydroxyethyl) isocyanurate; Tris(2-hydroxyethyl)-s-triazine-2,4,6-trione; Tris(2-hydroxyethyl)cyanurate; Tris(2-hydroxyethyl)isocyanurate; Tris(beta-hydroxyethyl) isocyanurate; Tris(hydroxyethyl) cyanurate; s-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2-hydroxyethyl)-; [ChemIDplus]

Category

Other Monomers

Description

White solid; [HSDB] White powder; [MSDSonline]

Sources/Uses

Used as a plastics additive to impart thermal stability; [HSDB] Used as a monomer to make polyesters (thermosetting varnishes and paints for metal) and as a polymer stabilizer; [Reference #1]

Comments

Oral LD50 (rat) >2000 mg/kg; NOAEL for reproductive toxicity = 1000 mg/kg/bw/day; [Reference #1] An irritant; [MSDSonline] See "Cyanuric acid."

Reference Link

OECD SIDS: 1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2-hydroxyethyl) - 2002

Exposure Assessment
Vapor Pressure

4.5E-5 mm Hg

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Processes

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