C33H50O6P2
604.7 g/mol
Industrial ChemicalWarning
3,9-bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
CAS26741-53-7EC247-952-5
Category
Industrial Chemical
Compound Class
Other
Primary Use
Antioxidant polymer stabilizer
This compound is a phosphite-based antioxidant used as a stabilizer in polymer materials, particularly polypropylene. It contains a spirocyclic structure with two hindered phenol groups, providing thermal and oxidative stability.
Antioxidant polymer stabilizerReducing agent in plastic formulations
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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CAS 26741-53-7
Related Compounds
ReferenceSame Category
Tert-butyl peroxyneodecanoate
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Organic peroxide polymerization initiator
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chemical intermediate for synthesis
ReferenceSame Category
Diisodecyl phthalate
CAS26761-40-0
plasticizer for polyvinyl chloride
ReferenceSame Category
Glycidyl neodecanoate
CAS26761-45-5
Epoxy resin reactive diluent
Referencesame scaffold
Bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphite
CAS80693-00-1
antioxidant for polymers
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H410Very toxic to aquatic life with long lasting effects
Identifiers
IUPAC Name
3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
InChIKey
AIBRSVLEQRWAEG-UHFFFAOYSA-N
SMILES
CC(C)(C)C1=CC(=C(C=C1)OP2OCC3(CO2)COP(OC3)OC4=C(C=C(C=C4)C(C)(C)C)C(C)(C)C)C(C)(C)C
Synonyms (33)
- ADK Stab PEP 24
- ADK Stab PEP 24G
- ANTIOXIDANT 6260
- ANTIOXIDANT TH 24
- AT 626
- Alkanox P 24
- Antioxidant 24
- Antioxidant 242
- Antioxidant 626
- Doverphos S 9432
- Irgafos 126
- Irganox 242
- MARK PEP 24
- Songnox 6260
- Ultranox 624
- Ultranox 626
- Weston 626
- Weston MDW 626