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CAS No.: | 26741-53-7 |
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Name: | Antioxidant 24 |
Article Data: | 3 |
Molecular Structure: | |
Formula: | C33H50O6P2 |
Molecular Weight: | 604.704 |
Synonyms: | Phosphorousacid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl) ester (8CI);2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis(2,4-di-tert-butylphenoxy)- (8CI);Phenol, 2,4-di-tert-butyl-,dihydrogen phosphite cyclic neopentanetetrayl ester (8CI);ADK Stab PEP 24;ADKStab PEP 24G;2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-;Antioxidant 626;Cyclicneopentanetetrayl bis(2,4-di-tert-butylphenyl phosphite);Di(2,4-di-tert-butylphenyl)pentaerythritol diphosphite;Doverphos S 9432;Irgafos 126;Irgafos 126FF;Mark PEP 24;Mark PEP 24G;Phos 5;Songnox6260;Ultranox 2879A;Ultranox 624;Ultranox 626;Weston 626;Weston MDW 626; |
EINECS: | 247-952-5 |
Density: | 1.166[at 20℃] |
Melting Point: | 160-178 °C |
Boiling Point: | 555.8 °C at 760 mmHg |
Flash Point: | 363.9 °C |
Solubility: | 93μg/L at 25℃ |
Appearance: | White powder |
PSA: | 82.56000 |
LogP: | 9.86820 |
IUPAC Name: 3,9-Bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3, 9-diphosphaspiro[5.5]undecane
Molecular Formula: C33H50O6P2
Molecular Weight: 604.69 g/mol
SMILES: O2P(Oc1ccc(cc1C(C)(C)C)C(C)(C)C)OCC3(C2)COP(OC3)Oc4ccc(cc4C(C)(C)C)C(C)(C)C
InChI: InChI=1/C33H50O6P2/c1-29(2,3)23-13-15-27(25(17-23)31(7,8)9)38-40-34-19-33(20-35-40)21-36-41(37-22-33)39-28-16-14-24(30(4,5)6)18-26(28)32(10,11)12/h13-18H,19-22H2,1-12H3
EINECS: 247-952-5
Product Categories: Industrial / Fine Chemicals; Organics
Flash Point: 363.9 °C
Enthalpy of Vaporization: 80.6 kJ/mol
Boiling Point: 555.8 °C at 760 mmHg
Melting Point: 160-178 °C
Vapour Pressure of Antioxidant 24 (CAS NO.26741-53-7): 8.01E-12 mmHg at 25 °C
1. | orl-rat LD50:5580 mg/kg | EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-1287-0706 . | ||
2. | ihl-rat LC50:>2 g/m3 | EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-1287-0706 . | ||
3. | skn-rbt LD50:>200 mg/kg | EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-1287-0706 . |
Reported in EPA TSCA Inventory.
Low toxicity by ingestion, inhalation, and skin contact. When heated to decomposition it emits toxic vapors of POx.
Antioxidant 24 (CAS NO.26741-53-7), its Synonyms are 3,9-Bis(2,4-bis(1,1-dimethylethyl)phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane ; ADK Stab PEP 24 ; Mark pep 24 ; Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite ; Ultranox 626 ; 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane .