bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite

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phosphorous acid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl)ester

CAS: 26741-53-7 C33 H50 O6 P2 MW: 604.70422400

Identification

Namebis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite
IUPAC3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
CAS Number26741-53-7
EINECS247-952-5
FDA UNIIGV29P0K7AC
Molecular FormulaC33 H50 O6 P2
Molecular Weight604.70422400
MDL NumberMFCD00071521
Nikkaji NumberJ60.898J
Beilstein4773772

Regulatory

FDA/DG SANTE Petitions, Reviews, NoticesFCN 1478
DG SANTE Food Contact Materialsbis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite
FDA Mainterm (IAUFC)26741-53-7 ; PHOSPHOROUS ACID, CYCLIC NEOPENTANETETRAYL BIS(2,4-DI-TERT-BUTYLPHENYL) ESTER

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Soluble in water, 7.414e-008 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral Toxicityoral-rat LD50 5580 mg/kg
Dermal Toxicityskin-rabbit LD50 > 200 mg/kg
Inhalation Toxicityinhalation-rat LC50 > 2000 mg/m3

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryindirect food additives: adhesives and components of coatings
Recommendation for bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite usage levels up tonot for fragrance use.
Recommendation for bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

antioxidant 24 3,9-bis(2,4- ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane irganox 242 MARK PEP 24 phosphorous acid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl)ester songnox 6260 2,4,8,10- tetraoxa-3,9-diphosphaspiro(5.5)undecane, 3,9-bis(2,4-bis(1,1-dimethylethyl)phenoxy)- weston 626