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Merck
CN

69382

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

analytical standard

Synonym(s):

1,3,5-Tris(2-hydroxyethyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione

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About This Item

Empirical Formula (Hill Notation):
C9H15N3O6
CAS Number:
839-90-7
Molecular Weight:
261.23
UNSPSC Code:
41116107
MDL number:
MFCD00003549

Key Documents

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InChI key

BPXVHIRIPLPOPT-UHFFFAOYSA-N

InChI

1S/C9H15N3O6/c13-4-1-10-7(16)11(2-5-14)9(18)12(3-6-15)8(10)17/h13-15H,1-6H2

SMILES string

OCCN1C(=O)N(CCO)C(=O)N(CCO)C1=O

grade

analytical standard

assay

≥99.0%

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

136-140 °C (lit.)

format

neat

Quality Level

100

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General description

1,3,5‑Tris(2‑hydroxyethyl)isocyanurate (THEIC) is used in plastics and coatings as a multifunctional building block, serving as a stabilizer/heat‑resistant flame‑retardant component and as a precursor/crosslinker in urethane foams and laminates. It is also employed to modify polyester and polyesterimide wire‑enamel resins, improving thermal and electrical performance in insulating coatings. THEIC is a known precursor to triglycidyl isocyanurate (TGIC), a crosslinker used in polyester powder coatings, so it can be encountered as an intentional ingredient or as a residual/unreacted intermediate from TGIC‑related processing.

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Storage Class

11 - Combustible Solids

flash_point_f

465.8 °F - open cup

flash_point_c

241 °C - open cup

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ1014

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