C35H54O6P2
632.7 g/mol
Industrial Chemical
Bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphite
CAS80693-00-1EC410-290-4
Category
Industrial Chemical
Compound Class
Other
Primary Use
antioxidant for polymers
This compound is a sterically hindered phenolic phosphite antioxidant primarily used to stabilize polymers against thermal and oxidative degradation. Its structure combines a spirocyclic phosphite core with two hindered phenol groups, providing effective protection for materials during processing and in end-use applications.
antioxidant for polymers
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
3,9-bis(2-(3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy)-1,1-dimethylethyl)-2,4,8,10-tetraoxaspiro(5.5)undecane
CAS90498-90-1
antioxidant for polymers
ReferenceSame Category
1,3-dichloro-2-(dichloromethyl)benzene
CAS81-19-6
Industrial intermediate for organic synthesis
ReferenceSame Category
2-nitro-m-xylene
CAS81-20-9
intermediate for dyes and agrochemicals
ReferenceSame Category
1,3-Dibromo-2,5-dichlorobenzene
CAS81067-41-6
Chemical intermediate for synthesis
ReferenceSame Category
2-methylpropane-1,2-diamine
CAS811-93-8
Alkylamine intermediate
Referencesame scaffold
Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite
CAS26741-53-7
Antioxidant polymer stabilizer
Safety Reference
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for Bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphite (CAS 80693-00-1) 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
3,9-bis(2,6-ditert-butyl-4-methylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
InChIKey
SSADPHQCUURWSW-UHFFFAOYSA-N
SMILES
CC1=CC(=C(C(=C1)C(C)(C)C)OP2OCC3(CO2)COP(OC3)OC4=C(C=C(C=C4C(C)(C)C)C)C(C)(C)C)C(C)(C)C
Synonyms (8)
- ADKStabPEP36
- AH-034/32855054
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