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Home/Compounds/Industrial Chemical/Tris(2,4-di-tert-butylphenyl)phosphite
C42H63O3P
646.9 g/mol
Industrial Chemical

Tris(2,4-di-tert-butylphenyl) phosphite

CAS31570-04-4EC250-709-6
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
antioxidant for plastics

Tris(2,4-di-tert-butylphenyl) phosphite is a phosphite ester compound primarily used as an antioxidant for plastics. It is derived from 2,4-di-tert-butylphenol, which serves as a raw material for producing various commercial antioxidants and UV absorbers.

antioxidant for plasticsraw material for antioxidants

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ApplicationSame Use

1,2-bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)hydrazine

CAS32687-78-8

antioxidant for plastics

ReferenceSame Category

2,2,6,6-Tetramethyl-4-piperidyl methacrylate

CAS31582-45-3

UV stabilizer intermediate

ReferenceSame Category

Sulphur trioxide trimethylamine (1:1)

CAS3162-58-1

Sulfonation and sulfation reagent

ReferenceSame Category

Potassium 2-ethylhexanoate

CAS3164-85-0

Catalyst for polyurethane and polyester systems

ReferenceSame Category

8-nonenoic acid

CAS31642-67-8

medium-chain fatty acid

Referencesame scaffold

Triphenyl phosphite

CAS101-02-0

Antioxidant and stabilizer for plastics

Referencesame scaffold

Tris(nonylphenyl)phosphite

CAS26523-78-4

antioxidant stabilizer for plastics

Customs Tariff Classification

The international HS code for Tris(2,4-di-tert-butylphenyl) phosphite (CAS 31570-04-4) is 2920.29.

HS code (international, 6-digit)

2920.29

EU CN code (8-digit)

2920 29 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

tris(2,4-ditert-butylphenyl) phosphite

InChIKey

JKIJEFPNVSHHEI-UHFFFAOYSA-N

SMILES

CC(C)(C)C1=CC(=C(C=C1)OP(OC2=C(C=C(C=C2)C(C)(C)C)C(C)(C)C)OC3=C(C=C(C=C3)C(C)(C)C)C(C)(C)C)C(C)(C)C

Synonyms (22)
  • JP-650
  • Plastic additive 12, European Pharmacopoeia (EP)
  • Plastic additive 5, United States Pharmacopeia (USP)
  • Alkanox 240
  • Antioxidant 168
  • DOVERPHOS S 480
  • EVERFOS 168
  • Hostanox PAR 24
  • IRGAFOS-168
  • Lowinox 242
  • Naugard 524
  • PHOSPHITE 168
  • PLASTIC ADDITIVE 5
  • Plastic additive 12 CRS

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