ChemAbout

ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase requestList your products (for suppliers)
© 2026 ChemAbout
Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Industrial Chemical/Distearyl pentaerythritol diphosphite
C41H82O6P2
733 g/mol
Industrial ChemicalDanger

O,O'-Dioctadecylpentaerythritol bis(phosphite)

CAS3806-34-6EC223-276-6
Category
Industrial Chemical
Compound Class
Other
Primary Use
antioxidant and stabilizer for plastics

O,O'-Dioctadecylpentaerythritol bis(phosphite) is a phosphite ester used as a color and molecular weight stabilizer, as well as an antioxidant, in plastic materials. It is commonly incorporated into polyolefins, polyesters, elastomers, styrenics, engineering thermoplastics, and adhesive formulations to prevent degradation during processing and service life.

Color and molecular weight stabilizer for polyolefins, polyesters, elastomers, styrenics, engineering thermoplastics, and adhesive formulationsCommercial antioxidantStabilizer for plastics at typical concentrations around 0.2%

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.

Sourcing O,O'-Dioctadecylpentaerythritol bis(phosphite)?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→

Related Compounds

ReferenceSame Category

2,5-Diacetylfuran

CAS38071-72-6

industrial chemical intermediate

ReferenceSame Category

Disodium stearoyl glutamate

CAS38079-62-8

Surfactant and emulsifier in personal care

ReferenceSame Category

2,2-bis(4-(3,4-dicarboxyphenoxy)phenyl)propane dianhydride

CAS38103-06-9

High-performance polymer precursor

ReferenceSame Category

Potassium chlorate

CAS3811-04-9

Oxidizing agent for matches and explosives

Safety Reference

Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H340May cause genetic defects
H360May damage fertility or the unborn child
H413May cause long lasting harmful effects to aquatic life

Customs Tariff Classification

The international HS code for O,O'-Dioctadecylpentaerythritol bis(phosphite) (CAS 3806-34-6) 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-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

InChIKey

PZRWFKGUFWPFID-UHFFFAOYSA-N

SMILES

CCCCCCCCCCCCCCCCCCOP1OCC2(CO1)COP(OC2)OCCCCCCCCCCCCCCCCCC

Synonyms (17)
  • Plastic additive 14, European Pharmacopoeia (EP)
  • ANTIOXIDANT 118
  • Plastic additive 14 CRS

Sourcing O,O'-Dioctadecylpentaerythritol bis(phosphite)?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→