Tris(2,4-di-tert-butylphenyl) Phosphite TCI P1421

Chemical Identity

CAS No.: 31570-04-4
PubChem: CID 91601·SID 87575498
Formula: C42H63O3P
Molecular weight: 646.9 g/mol
Purity: >98.0%(GC)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: tris(2,4-ditert-butylphenyl) phosphite
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
InChIKey: JKIJEFPNVSHHEI-UHFFFAOYSA-N

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Tris(2,4-di-tert-butylphenyl) Phosphite is a chemical compound widely used in laboratory settings for its catalytic and protective properties. As a phosphorus-based compound, it plays a key role in catalytic reactions and organic chemistry processes. Its unique molecular structure allows it to act as an antioxidant and stabilizer, making it essential in protecting substrates from oxidative degradation during chemical reactions. This compound is particularly valuable in environments where maintaining the integrity of chemical materials is critical.

One of the main reasons this compound is preferred is its effectiveness as an antioxidant and its chemical stability under harsh conditions. It exhibits strong resistance to oxidative reactions, which makes it suitable for use in a variety of chemical environments, including both wet and dry conditions. Its molecular stability ensures consistent performance across different experimental setups, enhancing the reliability of laboratory results. This makes it a reliable choice for both research and industrial applications.

In Indonesian laboratories, Tris(2,4-di-tert-butylphenyl) Phosphite is commonly used in organic chemistry research, catalytic processes, and the development of new chemical materials. Its ability to protect substrates from oxidation while maintaining chemical stability makes it an essential component in synthetic and modification processes. It is widely utilized in academic and industrial research to ensure the quality and longevity of chemical products.

TCI brochures (PDF)

Polymer Additives 2026-04-16 · p. 9
Ligands 2025-12-01 · p. 8

Related TCI products

Organic Chemistry Research – This compound is ideal for protecting substrates during oxidation-sensitive reactions, ensuring product stability and purity.
Catalytic Processes – Its phosphorus-based structure makes it a valuable catalyst in various chemical transformations, enhancing reaction efficiency.
Antioxidant Applications – It is used to prevent oxidative degradation of materials, extending the shelf life of chemical compounds in storage.
Material Development – Its stability and reactivity make it suitable for synthesizing and modifying new chemical materials for industrial use.
Industrial Chemical Synthesis – It is employed in the production of specialty chemicals where oxidation resistance and catalytic activity are required.

Brand	TCI
CAS number	31570-04-4
Molecular formula	—
Purity	—
Category	Chemistry > Catalysis and Inorganic Chemistry > Phosphorous Compounds
Pack sizes	Available in various quantities as per standard laboratory supply
Physical form	Liquid
Storage	Store in a cool, dry place away from direct sunlight

This compound should be stored in a cool, dry location, away from direct sunlight and sources of heat. It is recommended to use airtight containers made of materials compatible with its chemical properties to prevent contamination and evaporation. Due to its chemical nature, it should be handled with appropriate personal protective equipment, including gloves and safety goggles, to ensure laboratory safety. Proper ventilation should be maintained when handling the compound to minimize exposure. It is important to avoid contact with incompatible substances to prevent any adverse chemical reactions. Regular inspection of storage conditions is advised to maintain the integrity and effectiveness of the compound.

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